diff options
Diffstat (limited to 'drivers')
564 files changed, 2405 insertions, 2020 deletions
diff --git a/drivers/auxdisplay/ht16k33.c b/drivers/auxdisplay/ht16k33.c index 4fab3b2c7023..02425991c159 100644 --- a/drivers/auxdisplay/ht16k33.c +++ b/drivers/auxdisplay/ht16k33.c @@ -775,7 +775,7 @@ static int ht16k33_probe(struct i2c_client *client) return err; } -static int ht16k33_remove(struct i2c_client *client) +static void ht16k33_remove(struct i2c_client *client) { struct ht16k33_priv *priv = i2c_get_clientdata(client); struct ht16k33_fbdev *fbdev = &priv->fbdev; @@ -796,8 +796,6 @@ static int ht16k33_remove(struct i2c_client *client) device_remove_file(&client->dev, &dev_attr_map_seg14); break; } - - return 0; } static const struct i2c_device_id ht16k33_i2c_match[] = { diff --git a/drivers/auxdisplay/lcd2s.c b/drivers/auxdisplay/lcd2s.c index e465108d9998..135831a16514 100644 --- a/drivers/auxdisplay/lcd2s.c +++ b/drivers/auxdisplay/lcd2s.c @@ -340,13 +340,12 @@ fail1: return err; } -static int lcd2s_i2c_remove(struct i2c_client *i2c) +static void lcd2s_i2c_remove(struct i2c_client *i2c) { struct lcd2s_data *lcd2s = i2c_get_clientdata(i2c); charlcd_unregister(lcd2s->charlcd); charlcd_free(lcd2s->charlcd); - return 0; } static const struct i2c_device_id lcd2s_i2c_id[] = { diff --git a/drivers/char/ipmi/ipmb_dev_int.c b/drivers/char/ipmi/ipmb_dev_int.c index db40037eb347..a0e9e80d92ee 100644 --- a/drivers/char/ipmi/ipmb_dev_int.c +++ b/drivers/char/ipmi/ipmb_dev_int.c @@ -341,14 +341,12 @@ static int ipmb_probe(struct i2c_client *client) return 0; } -static int ipmb_remove(struct i2c_client *client) +static void ipmb_remove(struct i2c_client *client) { struct ipmb_dev *ipmb_dev = i2c_get_clientdata(client); i2c_slave_unregister(client); misc_deregister(&ipmb_dev->miscdev); - - return 0; } static const struct i2c_device_id ipmb_id[] = { diff --git a/drivers/char/ipmi/ipmi_ipmb.c b/drivers/char/ipmi/ipmi_ipmb.c index ab19b4b3317e..25c010c9ec25 100644 --- a/drivers/char/ipmi/ipmi_ipmb.c +++ b/drivers/char/ipmi/ipmi_ipmb.c @@ -424,7 +424,7 @@ static void ipmi_ipmb_request_events(void *send_info) /* We don't fetch events here. */ } -static int ipmi_ipmb_remove(struct i2c_client *client) +static void ipmi_ipmb_remove(struct i2c_client *client) { struct ipmi_ipmb_dev *iidev = i2c_get_clientdata(client); @@ -438,8 +438,6 @@ static int ipmi_ipmb_remove(struct i2c_client *client) ipmi_ipmb_stop_thread(iidev); ipmi_unregister_smi(iidev->intf); - - return 0; } static int ipmi_ipmb_probe(struct i2c_client *client) diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c index fc742ee9c046..13da021e7c6b 100644 --- a/drivers/char/ipmi/ipmi_ssif.c +++ b/drivers/char/ipmi/ipmi_ssif.c @@ -1281,13 +1281,13 @@ static void shutdown_ssif(void *send_info) } } -static int ssif_remove(struct i2c_client *client) +static void ssif_remove(struct i2c_client *client) { struct ssif_info *ssif_info = i2c_get_clientdata(client); struct ssif_addr_info *addr_info; if (!ssif_info) - return 0; + return; /* * After this point, we won't deliver anything asychronously @@ -1303,8 +1303,6 @@ static int ssif_remove(struct i2c_client *client) } kfree(ssif_info); - - return 0; } static int read_response(struct i2c_client *client, unsigned char *resp) diff --git a/drivers/char/tpm/st33zp24/i2c.c b/drivers/char/tpm/st33zp24/i2c.c index 3170d59d660c..a3aa411389e7 100644 --- a/drivers/char/tpm/st33zp24/i2c.c +++ b/drivers/char/tpm/st33zp24/i2c.c @@ -264,13 +264,11 @@ static int st33zp24_i2c_probe(struct i2c_client *client, * @param: client, the i2c_client description (TPM I2C description). * @return: 0 in case of success. */ -static int st33zp24_i2c_remove(struct i2c_client *client) +static void st33zp24_i2c_remove(struct i2c_client *client) { struct tpm_chip *chip = i2c_get_clientdata(client); st33zp24_remove(chip); - - return 0; } static const struct i2c_device_id st33zp24_i2c_id[] = { diff --git a/drivers/char/tpm/tpm_i2c_atmel.c b/drivers/char/tpm/tpm_i2c_atmel.c index d5ac85558214..4be3677c1463 100644 --- a/drivers/char/tpm/tpm_i2c_atmel.c +++ b/drivers/char/tpm/tpm_i2c_atmel.c @@ -179,12 +179,11 @@ static int i2c_atmel_probe(struct i2c_client *client, return tpm_chip_register(chip); } -static int i2c_atmel_remove(struct i2c_client *client) +static void i2c_atmel_remove(struct i2c_client *client) { struct device *dev = &(client->dev); struct tpm_chip *chip = dev_get_drvdata(dev); tpm_chip_unregister(chip); - return 0; } static const struct i2c_device_id i2c_atmel_id[] = { diff --git a/drivers/char/tpm/tpm_i2c_infineon.c b/drivers/char/tpm/tpm_i2c_infineon.c index a19d32cb4e94..fd3c3661e646 100644 --- a/drivers/char/tpm/tpm_i2c_infineon.c +++ b/drivers/char/tpm/tpm_i2c_infineon.c @@ -706,15 +706,13 @@ static int tpm_tis_i2c_probe(struct i2c_client *client, return rc; } -static int tpm_tis_i2c_remove(struct i2c_client *client) +static void tpm_tis_i2c_remove(struct i2c_client *client) { struct tpm_chip *chip = tpm_dev.chip; tpm_chip_unregister(chip); release_locality(chip, tpm_dev.locality, 1); tpm_dev.client = NULL; - - return 0; } static struct i2c_driver tpm_tis_i2c_driver = { diff --git a/drivers/char/tpm/tpm_i2c_nuvoton.c b/drivers/char/tpm/tpm_i2c_nuvoton.c index b77c18e38662..95c37350cc8e 100644 --- a/drivers/char/tpm/tpm_i2c_nuvoton.c +++ b/drivers/char/tpm/tpm_i2c_nuvoton.c @@ -622,12 +622,11 @@ static int i2c_nuvoton_probe(struct i2c_client *client, return tpm_chip_register(chip); } -static int i2c_nuvoton_remove(struct i2c_client *client) +static void i2c_nuvoton_remove(struct i2c_client *client) { struct tpm_chip *chip = i2c_get_clientdata(client); tpm_chip_unregister(chip); - return 0; } static const struct i2c_device_id i2c_nuvoton_id[] = { diff --git a/drivers/char/tpm/tpm_tis_i2c.c b/drivers/char/tpm/tpm_tis_i2c.c index ba0911b1d1ff..0692510dfcab 100644 --- a/drivers/char/tpm/tpm_tis_i2c.c +++ b/drivers/char/tpm/tpm_tis_i2c.c @@ -351,13 +351,12 @@ static int tpm_tis_i2c_probe(struct i2c_client *dev, NULL); } -static int tpm_tis_i2c_remove(struct i2c_client *client) +static void tpm_tis_i2c_remove(struct i2c_client *client) { struct tpm_chip *chip = i2c_get_clientdata(client); tpm_chip_unregister(chip); tpm_tis_remove(chip); - return 0; } static const struct i2c_device_id tpm_tis_i2c_id[] = { diff --git a/drivers/char/tpm/tpm_tis_i2c_cr50.c b/drivers/char/tpm/tpm_tis_i2c_cr50.c index 974479a1ec5a..77cea5b31c6e 100644 --- a/drivers/char/tpm/tpm_tis_i2c_cr50.c +++ b/drivers/char/tpm/tpm_tis_i2c_cr50.c @@ -763,20 +763,18 @@ static int tpm_cr50_i2c_probe(struct i2c_client *client) * - 0: Success. * - -errno: A POSIX error code. */ -static int tpm_cr50_i2c_remove(struct i2c_client *client) +static void tpm_cr50_i2c_remove(struct i2c_client *client) { struct tpm_chip *chip = i2c_get_clientdata(client); struct device *dev = &client->dev; if (!chip) { dev_crit(dev, "Could not get client data at remove, memory corruption ahead\n"); - return 0; + return; } tpm_chip_unregister(chip); tpm_cr50_release_locality(chip, true); - - return 0; } static SIMPLE_DEV_PM_OPS(cr50_i2c_pm, tpm_pm_suspend, tpm_pm_resume); diff --git a/drivers/clk/clk-cdce706.c b/drivers/clk/clk-cdce706.c index 5467d941ddfd..1449d0537674 100644 --- a/drivers/clk/clk-cdce706.c +++ b/drivers/clk/clk-cdce706.c @@ -665,10 +665,9 @@ static int cdce706_probe(struct i2c_client *client) cdce); } -static int cdce706_remove(struct i2c_client *client) +static void cdce706_remove(struct i2c_client *client) { of_clk_del_provider(client->dev.of_node); - return 0; } diff --git a/drivers/clk/clk-cs2000-cp.c b/drivers/clk/clk-cs2000-cp.c index aa5c72bab83e..320d39922206 100644 --- a/drivers/clk/clk-cs2000-cp.c +++ b/drivers/clk/clk-cs2000-cp.c @@ -557,7 +557,7 @@ static int cs2000_version_print(struct cs2000_priv *priv) return 0; } -static int cs2000_remove(struct i2c_client *client) +static void cs2000_remove(struct i2c_client *client) { struct cs2000_priv *priv = i2c_get_clientdata(client); struct device *dev = priv_to_dev(priv); @@ -566,8 +566,6 @@ static int cs2000_remove(struct i2c_client *client) of_clk_del_provider(np); clk_hw_unregister(&priv->hw); - - return 0; } static int cs2000_probe(struct i2c_client *client) diff --git a/drivers/clk/clk-si514.c b/drivers/clk/clk-si514.c index 4481c4303534..c028fa103bed 100644 --- a/drivers/clk/clk-si514.c +++ b/drivers/clk/clk-si514.c @@ -370,10 +370,9 @@ static int si514_probe(struct i2c_client *client) return 0; } -static int si514_remove(struct i2c_client *client) +static void si514_remove(struct i2c_client *client) { of_clk_del_provider(client->dev.of_node); - return 0; } static const struct i2c_device_id si514_id[] = { diff --git a/drivers/clk/clk-si5341.c b/drivers/clk/clk-si5341.c index 4bca73212662..0e528d7ba656 100644 --- a/drivers/clk/clk-si5341.c +++ b/drivers/clk/clk-si5341.c @@ -1796,7 +1796,7 @@ cleanup: return err; } -static int si5341_remove(struct i2c_client *client) +static void si5341_remove(struct i2c_client *client) { struct clk_si5341 *data = i2c_get_clientdata(client); int i; @@ -1807,8 +1807,6 @@ static int si5341_remove(struct i2c_client *client) if (data->clk[i].vddo_reg) regulator_disable(data->clk[i].vddo_reg); } - - return 0; } static const struct i2c_device_id si5341_id[] = { diff --git a/drivers/clk/clk-si5351.c b/drivers/clk/clk-si5351.c index b9f088c4ba2f..9e939c98a455 100644 --- a/drivers/clk/clk-si5351.c +++ b/drivers/clk/clk-si5351.c @@ -1651,11 +1651,9 @@ static int si5351_i2c_probe(struct i2c_client *client) return 0; } -static int si5351_i2c_remove(struct i2c_client *client) +static void si5351_i2c_remove(struct i2c_client *client) { of_clk_del_provider(client->dev.of_node); - - return 0; } static struct i2c_driver si5351_driver = { diff --git a/drivers/clk/clk-si570.c b/drivers/clk/clk-si570.c index 1ff8f32f734d..0a6d70c49726 100644 --- a/drivers/clk/clk-si570.c +++ b/drivers/clk/clk-si570.c @@ -498,10 +498,9 @@ static int si570_probe(struct i2c_client *client) return 0; } -static int si570_remove(struct i2c_client *client) +static void si570_remove(struct i2c_client *client) { of_clk_del_provider(client->dev.of_node); - return 0; } static const struct of_device_id clk_si570_of_match[] = { diff --git a/drivers/clk/clk-versaclock5.c b/drivers/clk/clk-versaclock5.c index e7be3e54b9be..657493ecce4c 100644 --- a/drivers/clk/clk-versaclock5.c +++ b/drivers/clk/clk-versaclock5.c @@ -1138,7 +1138,7 @@ err_clk: return ret; } -static int vc5_remove(struct i2c_client *client) +static void vc5_remove(struct i2c_client *client) { struct vc5_driver_data *vc5 = i2c_get_clientdata(client); @@ -1146,8 +1146,6 @@ static int vc5_remove(struct i2c_client *client) if (vc5->chip_info->flags & VC5_HAS_INTERNAL_XTAL) clk_unregister_fixed_rate(vc5->pin_xin); - - return 0; } static int __maybe_unused vc5_suspend(struct device *dev) diff --git a/drivers/crypto/atmel-ecc.c b/drivers/crypto/atmel-ecc.c index a4b13d326cfc..82bf15d49561 100644 --- a/drivers/crypto/atmel-ecc.c +++ b/drivers/crypto/atmel-ecc.c @@ -343,7 +343,7 @@ static int atmel_ecc_probe(struct i2c_client *client, return ret; } -static int atmel_ecc_remove(struct i2c_client *client) +static void atmel_ecc_remove(struct i2c_client *client) { struct atmel_i2c_client_priv *i2c_priv = i2c_get_clientdata(client); @@ -358,7 +358,7 @@ static int atmel_ecc_remove(struct i2c_client *client) * accessing the freed memory. */ dev_emerg(&client->dev, "Device is busy, expect memory corruption.\n"); - return 0; + return; } crypto_unregister_kpp(&atmel_ecdh_nist_p256); @@ -366,8 +366,6 @@ static int atmel_ecc_remove(struct i2c_client *client) spin_lock(&driver_data.i2c_list_lock); list_del(&i2c_priv->i2c_client_list_node); spin_unlock(&driver_data.i2c_list_lock); - - return 0; } #ifdef CONFIG_OF diff --git a/drivers/crypto/atmel-sha204a.c b/drivers/crypto/atmel-sha204a.c index e4087bdd2475..a84b657598c6 100644 --- a/drivers/crypto/atmel-sha204a.c +++ b/drivers/crypto/atmel-sha204a.c @@ -116,18 +116,16 @@ static int atmel_sha204a_probe(struct i2c_client *client, return ret; } -static int atmel_sha204a_remove(struct i2c_client *client) +static void atmel_sha204a_remove(struct i2c_client *client) { struct atmel_i2c_client_priv *i2c_priv = i2c_get_clientdata(client); if (atomic_read(&i2c_priv->tfm_count)) { dev_emerg(&client->dev, "Device is busy, will remove it anyhow\n"); - return 0; + return; } kfree((void *)i2c_priv->hwrng.priv); - - return 0; } static const struct of_device_id atmel_sha204a_dt_ids[] = { diff --git a/drivers/extcon/extcon-rt8973a.c b/drivers/extcon/extcon-rt8973a.c index 02ba770acb27..e6e448f6ea2f 100644 --- a/drivers/extcon/extcon-rt8973a.c +++ b/drivers/extcon/extcon-rt8973a.c @@ -646,13 +646,11 @@ static int rt8973a_muic_i2c_probe(struct i2c_client *i2c, return 0; } -static int rt8973a_muic_i2c_remove(struct i2c_client *i2c) +static void rt8973a_muic_i2c_remove(struct i2c_client *i2c) { struct rt8973a_muic_info *info = i2c_get_clientdata(i2c); regmap_del_irq_chip(info->irq, info->irq_data); - - return 0; } static const struct of_device_id rt8973a_dt_match[] = { diff --git a/drivers/gpio/gpio-adp5588.c b/drivers/gpio/gpio-adp5588.c index d49f12560cde..9b562dbbd733 100644 --- a/drivers/gpio/gpio-adp5588.c +++ b/drivers/gpio/gpio-adp5588.c @@ -409,14 +409,12 @@ static int adp5588_gpio_probe(struct i2c_client *client) return 0; } -static int adp5588_gpio_remove(struct i2c_client *client) +static void adp5588_gpio_remove(struct i2c_client *client) { struct adp5588_gpio *dev = i2c_get_clientdata(client); if (dev->client->irq) free_irq(dev->client->irq, dev); - - return 0; } static const struct i2c_device_id adp5588_gpio_id[] = { diff --git a/drivers/gpio/gpio-max7300.c b/drivers/gpio/gpio-max7300.c index b2b547dd6e84..43da381a4d7e 100644 --- a/drivers/gpio/gpio-max7300.c +++ b/drivers/gpio/gpio-max7300.c @@ -48,11 +48,9 @@ static int max7300_probe(struct i2c_client *client, return __max730x_probe(ts); } -static int max7300_remove(struct i2c_client *client) +static void max7300_remove(struct i2c_client *client) { __max730x_remove(&client->dev); - - return 0; } static const struct i2c_device_id max7300_id[] = { diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c index 2925f4d8cef3..cf9bf3fcaee2 100644 --- a/drivers/gpio/gpio-pca953x.c +++ b/drivers/gpio/gpio-pca953x.c @@ -1101,24 +1101,17 @@ err_exit: return ret; } -static int pca953x_remove(struct i2c_client *client) +static void pca953x_remove(struct i2c_client *client) { struct pca953x_platform_data *pdata = dev_get_platdata(&client->dev); struct pca953x_chip *chip = i2c_get_clientdata(client); - int ret; if (pdata && pdata->teardown) { - ret = pdata->teardown(client, chip->gpio_chip.base, - chip->gpio_chip.ngpio, pdata->context); - if (ret < 0) - dev_err(&client->dev, "teardown failed, %d\n", ret); - } else { - ret = 0; + pdata->teardown(client, chip->gpio_chip.base, + chip->gpio_chip.ngpio, pdata->context); } regulator_disable(chip->regulator); - - return ret; } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/gpio/gpio-pcf857x.c b/drivers/gpio/gpio-pcf857x.c index 59cc27e4de51..e98ea47d7237 100644 --- a/drivers/gpio/gpio-pcf857x.c +++ b/drivers/gpio/gpio-pcf857x.c @@ -399,7 +399,7 @@ fail: return status; } -static int pcf857x_remove(struct i2c_client *client) +static void pcf857x_remove(struct i2c_client *client) { struct pcf857x_platform_data *pdata = dev_get_platdata(&client->dev); struct pcf857x *gpio = i2c_get_clientdata(client); @@ -407,8 +407,6 @@ static int pcf857x_remove(struct i2c_client *client) if (pdata && pdata->teardown) pdata->teardown(client, gpio->chip.base, gpio->chip.ngpio, pdata->context); - - return 0; } static void pcf857x_shutdown(struct i2c_client *client) diff --git a/drivers/gpio/gpio-tpic2810.c b/drivers/gpio/gpio-tpic2810.c index a09b1e69b072..d642c35cb97c 100644 --- a/drivers/gpio/gpio-tpic2810.c +++ b/drivers/gpio/gpio-tpic2810.c @@ -126,13 +126,11 @@ static int tpic2810_probe(struct i2c_client *client, return 0; } -static int tpic2810_remove(struct i2c_client *client) +static void tpic2810_remove(struct i2c_client *client) { struct tpic2810 *gpio = i2c_get_clientdata(client); gpiochip_remove(&gpio->chip); - - return 0; } static const struct i2c_device_id tpic2810_id_table[] = { diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c index 38bf28720f3a..35d8a9edf764 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c @@ -1336,7 +1336,7 @@ uninit_regulators: return ret; } -static int adv7511_remove(struct i2c_client *i2c) +static void adv7511_remove(struct i2c_client *i2c) { struct adv7511 *adv7511 = i2c_get_clientdata(i2c); @@ -1353,8 +1353,6 @@ static int adv7511_remove(struct i2c_client *i2c) i2c_unregister_device(adv7511->i2c_packet); i2c_unregister_device(adv7511->i2c_edid); - - return 0; } static const struct i2c_device_id adv7511_i2c_ids[] = { diff --git a/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c b/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c index ae3d6e9a606c..660a54857929 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c +++ b/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c @@ -787,7 +787,7 @@ err_unregister_i2c: return err; } -static int anx6345_i2c_remove(struct i2c_client *client) +static void anx6345_i2c_remove(struct i2c_client *client) { struct anx6345 *anx6345 = i2c_get_clientdata(client); @@ -798,8 +798,6 @@ static int anx6345_i2c_remove(struct i2c_client *client) kfree(anx6345->edid); mutex_destroy(&anx6345->lock); - - return 0; } static const struct i2c_device_id anx6345_id[] = { diff --git a/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c b/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c index d2fc8676fab6..5997049fde5b 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c +++ b/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c @@ -1357,7 +1357,7 @@ err_unregister_i2c: return err; } -static int anx78xx_i2c_remove(struct i2c_client *client) +static void anx78xx_i2c_remove(struct i2c_client *client) { struct anx78xx *anx78xx = i2c_get_clientdata(client); @@ -1366,8 +1366,6 @@ static int anx78xx_i2c_remove(struct i2c_client *client) unregister_i2c_dummy_clients(anx78xx); kfree(anx78xx->edid); - - return 0; } static const struct i2c_device_id anx78xx_id[] = { diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c index d1f1d525aeb6..aecf6cf1b911 100644 --- a/drivers/gpu/drm/bridge/analogix/anx7625.c +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c @@ -2689,7 +2689,7 @@ free_hdcp_wq: return ret; } -static int anx7625_i2c_remove(struct i2c_client *client) +static void anx7625_i2c_remove(struct i2c_client *client) { struct anx7625_data *platform = i2c_get_clientdata(client); @@ -2709,8 +2709,6 @@ static int anx7625_i2c_remove(struct i2c_client *client) if (platform->pdata.audio_en) anx7625_unregister_audio(platform); - - return 0; } static const struct i2c_device_id anx7625_id[] = { diff --git a/drivers/gpu/drm/bridge/chrontel-ch7033.c b/drivers/gpu/drm/bridge/chrontel-ch7033.c index ba060277c3fd..b94f39a86846 100644 --- a/drivers/gpu/drm/bridge/chrontel-ch7033.c +++ b/drivers/gpu/drm/bridge/chrontel-ch7033.c @@ -583,14 +583,12 @@ static int ch7033_probe(struct i2c_client *client, return 0; } -static int ch7033_remove(struct i2c_client *client) +static void ch7033_remove(struct i2c_client *client) { struct device *dev = &client->dev; struct ch7033_priv *priv = dev_get_drvdata(dev); drm_bridge_remove(&priv->bridge); - - return 0; } static const struct of_device_id ch7033_dt_ids[] = { diff --git a/drivers/gpu/drm/bridge/cros-ec-anx7688.c b/drivers/gpu/drm/bridge/cros-ec-anx7688.c index 0f6d907432e3..fa91bdeddef0 100644 --- a/drivers/gpu/drm/bridge/cros-ec-anx7688.c +++ b/drivers/gpu/drm/bridge/cros-ec-anx7688.c @@ -159,13 +159,11 @@ static int cros_ec_anx7688_bridge_probe(struct i2c_client *client) return 0; } -static int cros_ec_anx7688_bridge_remove(struct i2c_client *client) +static void cros_ec_anx7688_bridge_remove(struct i2c_client *client) { struct cros_ec_anx7688 *anx7688 = i2c_get_clientdata(client); drm_bridge_remove(&anx7688->bridge); - - return 0; } static const struct of_device_id cros_ec_anx7688_bridge_match_table[] = { diff --git a/drivers/gpu/drm/bridge/ite-it6505.c b/drivers/gpu/drm/bridge/ite-it6505.c index 4b673c4792d7..547e0c9d3bdc 100644 --- a/drivers/gpu/drm/bridge/ite-it6505.c +++ b/drivers/gpu/drm/bridge/ite-it6505.c @@ -3316,7 +3316,7 @@ static int it6505_i2c_probe(struct i2c_client *client, return 0; } -static int it6505_i2c_remove(struct i2c_client *client) +static void it6505_i2c_remove(struct i2c_client *client) { struct it6505 *it6505 = i2c_get_clientdata(client); @@ -3324,8 +3324,6 @@ static int it6505_i2c_remove(struct i2c_client *client) drm_dp_aux_unregister(&it6505->aux); it6505_debugfs_remove(it6505); it6505_poweroff(it6505); - - return 0; } static const struct i2c_device_id it6505_id[] = { diff --git a/drivers/gpu/drm/bridge/ite-it66121.c b/drivers/gpu/drm/bridge/ite-it66121.c index 44278d54d35d..4f6f1deba28c 100644 --- a/drivers/gpu/drm/bridge/ite-it66121.c +++ b/drivers/gpu/drm/bridge/ite-it66121.c @@ -1623,15 +1623,13 @@ static int it66121_probe(struct i2c_client *client, return 0; } -static int it66121_remove(struct i2c_client *client) +static void it66121_remove(struct i2c_client *client) { struct it66121_ctx *ctx = i2c_get_clientdata(client); ite66121_power_off(ctx); drm_bridge_remove(&ctx->bridge); mutex_destroy(&ctx->lock); - - return 0; } static const struct of_device_id it66121_dt_match[] = { diff --git a/drivers/gpu/drm/bridge/lontium-lt8912b.c b/drivers/gpu/drm/bridge/lontium-lt8912b.c index 5968f4af190b..be533d2945e7 100644 --- a/drivers/gpu/drm/bridge/lontium-lt8912b.c +++ b/drivers/gpu/drm/bridge/lontium-lt8912b.c @@ -723,7 +723,7 @@ err_dt_parse: return ret; } -static int lt8912_remove(struct i2c_client *client) +static void lt8912_remove(struct i2c_client *client) { struct lt8912 *lt = i2c_get_clientdata(client); @@ -731,7 +731,6 @@ static int lt8912_remove(struct i2c_client *client) drm_bridge_remove(<->bridge); lt8912_free_i2c(lt); lt8912_put_dt(lt); - return 0; } static const struct of_device_id lt8912_dt_match[] = { diff --git a/drivers/gpu/drm/bridge/lontium-lt9211.c b/drivers/gpu/drm/bridge/lontium-lt9211.c index 9a3e90427d12..933ca028d612 100644 --- a/drivers/gpu/drm/bridge/lontium-lt9211.c +++ b/drivers/gpu/drm/bridge/lontium-lt9211.c @@ -766,13 +766,11 @@ static int lt9211_probe(struct i2c_client *client, return ret; } -static int lt9211_remove(struct i2c_client *client) +static void lt9211_remove(struct i2c_client *client) { struct lt9211 *ctx = i2c_get_clientdata(client); drm_bridge_remove(&ctx->bridge); - - return 0; } static struct i2c_device_id lt9211_id[] = { diff --git a/drivers/gpu/drm/bridge/lontium-lt9611.c b/drivers/gpu/drm/bridge/lontium-lt9611.c index 8a60e83482a0..ddfbff3538de 100644 --- a/drivers/gpu/drm/bridge/lontium-lt9611.c +++ b/drivers/gpu/drm/bridge/lontium-lt9611.c @@ -1216,7 +1216,7 @@ err_of_put: return ret; } -static int lt9611_remove(struct i2c_client *client) +static void lt9611_remove(struct i2c_client *client) { struct lt9611 *lt9611 = i2c_get_clientdata(client); @@ -1228,8 +1228,6 @@ static int lt9611_remove(struct i2c_client *client) of_node_put(lt9611->dsi1_node); of_node_put(lt9611->dsi0_node); - - return 0; } static struct i2c_device_id lt9611_id[] = { diff --git a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c index fdf12d4c6416..fa1ee6264d92 100644 --- a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c +++ b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c @@ -978,7 +978,7 @@ err_of_put: return ret; } -static int lt9611uxc_remove(struct i2c_client *client) +static void lt9611uxc_remove(struct i2c_client *client) { struct lt9611uxc *lt9611uxc = i2c_get_clientdata(client); @@ -993,8 +993,6 @@ static int lt9611uxc_remove(struct i2c_client *client) of_node_put(lt9611uxc->dsi1_node); of_node_put(lt9611uxc->dsi0_node); - - return 0; } static struct i2c_device_id lt9611uxc_id[] = { diff --git a/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c b/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c index cce98bf2a4e7..9f175df11581 100644 --- a/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c +++ b/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c @@ -355,11 +355,9 @@ static int stdp4028_ge_b850v3_fw_probe(struct i2c_client *stdp4028_i2c, return ge_b850v3_register(); } -static int stdp4028_ge_b850v3_fw_remove(struct i2c_client *stdp4028_i2c) +static void stdp4028_ge_b850v3_fw_remove(struct i2c_client *stdp4028_i2c) { ge_b850v3_lvds_remove(); - - return 0; } static const struct i2c_device_id stdp4028_ge_b850v3_fw_i2c_table[] = { @@ -405,11 +403,9 @@ static int stdp2690_ge_b850v3_fw_probe(struct i2c_client *stdp2690_i2c, return ge_b850v3_register(); } -static int stdp2690_ge_b850v3_fw_remove(struct i2c_client *stdp2690_i2c) +static void stdp2690_ge_b850v3_fw_remove(struct i2c_client *stdp2690_i2c) { ge_b850v3_lvds_remove(); - - return 0; } static const struct i2c_device_id stdp2690_ge_b850v3_fw_i2c_table[] = { diff --git a/drivers/gpu/drm/bridge/nxp-ptn3460.c b/drivers/gpu/drm/bridge/nxp-ptn3460.c index 1ab91f4e057b..0851101a8c72 100644 --- a/drivers/gpu/drm/bridge/nxp-ptn3460.c +++ b/drivers/gpu/drm/bridge/nxp-ptn3460.c @@ -315,13 +315,11 @@ static int ptn3460_probe(struct i2c_client *client, return 0; } -static int ptn3460_remove(struct i2c_client *client) +static void ptn3460_remove(struct i2c_client *client) { struct ptn3460_bridge *ptn_bridge = i2c_get_clientdata(client); drm_bridge_remove(&ptn_bridge->bridge); - - return 0; } static const struct i2c_device_id ptn3460_i2c_table[] = { diff --git a/drivers/gpu/drm/bridge/parade-ps8622.c b/drivers/gpu/drm/bridge/parade-ps8622.c index b5750e5f71d7..309de802863d 100644 --- a/drivers/gpu/drm/bridge/parade-ps8622.c +++ b/drivers/gpu/drm/bridge/parade-ps8622.c @@ -520,14 +520,12 @@ static int ps8622_probe(struct i2c_client *client, return 0; } -static int ps8622_remove(struct i2c_client *client) +static void ps8622_remove(struct i2c_client *client) { struct ps8622_bridge *ps8622 = i2c_get_clientdata(client); backlight_device_unregister(ps8622->bl); drm_bridge_remove(&ps8622->bridge); - - return 0; } static const struct i2c_device_id ps8622_i2c_table[] = { diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c index 7ab38d734ad6..878fb7d3732b 100644 --- a/drivers/gpu/drm/bridge/sii902x.c +++ b/drivers/gpu/drm/bridge/sii902x.c @@ -1145,7 +1145,7 @@ static int sii902x_probe(struct i2c_client *client, return ret; } -static int sii902x_remove(struct i2c_client *client) +static void sii902x_remove(struct i2c_client *client) { struct sii902x *sii902x = i2c_get_clientdata(client); @@ -1154,8 +1154,6 @@ static int sii902x_remove(struct i2c_client *client) drm_bridge_remove(&sii902x->bridge); regulator_bulk_disable(ARRAY_SIZE(sii902x->supplies), sii902x->supplies); - - return 0; } static const struct of_device_id sii902x_dt_ids[] = { diff --git a/drivers/gpu/drm/bridge/sii9234.c b/drivers/gpu/drm/bridge/sii9234.c index 15c98a7bd81c..5b3061d4b5c3 100644 --- a/drivers/gpu/drm/bridge/sii9234.c +++ b/drivers/gpu/drm/bridge/sii9234.c @@ -936,14 +936,12 @@ static int sii9234_probe(struct i2c_client *client, return 0; } -static int sii9234_remove(struct i2c_client *client) +static void sii9234_remove(struct i2c_client *client) { struct sii9234 *ctx = i2c_get_clientdata(client); sii9234_cable_out(ctx); drm_bridge_remove(&ctx->bridge); - - return 0; } static const struct of_device_id sii9234_dt_match[] = { diff --git a/drivers/gpu/drm/bridge/sil-sii8620.c b/drivers/gpu/drm/bridge/sil-sii8620.c index ab0bce4a988c..511982a1cedb 100644 --- a/drivers/gpu/drm/bridge/sil-sii8620.c +++ b/drivers/gpu/drm/bridge/sil-sii8620.c @@ -2346,7 +2346,7 @@ static int sii8620_probe(struct i2c_client *client, return 0; } -static int sii8620_remove(struct i2c_client *client) +static void sii8620_remove(struct i2c_client *client) { struct sii8620 *ctx = i2c_get_clientdata(client); @@ -2360,8 +2360,6 @@ static int sii8620_remove(struct i2c_client *client) sii8620_cable_out(ctx); } drm_bridge_remove(&ctx->bridge); - - return 0; } static const struct of_device_id sii8620_dt_match[] = { diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index 02bd757a8987..695cf58e5373 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -2194,13 +2194,11 @@ static int tc_probe(struct i2c_client *client, const struct i2c_device_id *id) return 0; } -static int tc_remove(struct i2c_client *client) +static void tc_remove(struct i2c_client *client) { struct tc_data *tc = i2c_get_clientdata(client); drm_bridge_remove(&tc->bridge); - - return 0; } static const struct i2c_device_id tc358767_i2c_ids[] = { diff --git a/drivers/gpu/drm/bridge/tc358768.c b/drivers/gpu/drm/bridge/tc358768.c index fd585bf925fe..4c4b77ce8aba 100644 --- a/drivers/gpu/drm/bridge/tc358768.c +++ b/drivers/gpu/drm/bridge/tc358768.c @@ -1072,13 +1072,11 @@ static int tc358768_i2c_probe(struct i2c_client *client, return mipi_dsi_host_register(&priv->dsi_host); } -static int tc358768_i2c_remove(struct i2c_client *client) +static void tc358768_i2c_remove(struct i2c_client *client) { struct tc358768_priv *priv = i2c_get_clientdata(client); mipi_dsi_host_unregister(&priv->dsi_host); - - return 0; } static struct i2c_driver tc358768_driver = { diff --git a/drivers/gpu/drm/bridge/tc358775.c b/drivers/gpu/drm/bridge/tc358775.c index f1c6e62b0e1d..02dc12b8151e 100644 --- a/drivers/gpu/drm/bridge/tc358775.c +++ b/drivers/gpu/drm/bridge/tc358775.c @@ -704,13 +704,11 @@ err_bridge_remove: return ret; } -static int tc_remove(struct i2c_client *client) +static void tc_remove(struct i2c_client *client) { struct tc_data *tc = i2c_get_clientdata(client); drm_bridge_remove(&tc->bridge); - - return 0; } static const struct i2c_device_id tc358775_i2c_ids[] = { diff --git a/drivers/gpu/drm/bridge/ti-dlpc3433.c b/drivers/gpu/drm/bridge/ti-dlpc3433.c index cef454862b67..186a9e2ff24d 100644 --- a/drivers/gpu/drm/bridge/ti-dlpc3433.c +++ b/drivers/gpu/drm/bridge/ti-dlpc3433.c @@ -379,14 +379,12 @@ err_remove_bridge: return ret; } -static int dlpc3433_remove(struct i2c_client *client) +static void dlpc3433_remove(struct i2c_client *client) { struct dlpc *dlpc = i2c_get_clientdata(client); drm_bridge_remove(&dlpc->bridge); of_node_put(dlpc->host_node); - - return 0; } static const struct i2c_device_id dlpc3433_id[] = { diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi83.c b/drivers/gpu/drm/bridge/ti-sn65dsi83.c index 14e7aa77e758..7ba9467fff12 100644 --- a/drivers/gpu/drm/bridge/ti-sn65dsi83.c +++ b/drivers/gpu/drm/bridge/ti-sn65dsi83.c @@ -708,13 +708,11 @@ err_remove_bridge: return ret; } -static int sn65dsi83_remove(struct i2c_client *client) +static void sn65dsi83_remove(struct i2c_client *client) { struct sn65dsi83 *ctx = i2c_get_clientdata(client); drm_bridge_remove(&ctx->bridge); - - return 0; } static struct i2c_device_id sn65dsi83_id[] = { diff --git a/drivers/gpu/drm/bridge/ti-tfp410.c b/drivers/gpu/drm/bridge/ti-tfp410.c index 401fe61217c7..b9635abbad16 100644 --- a/drivers/gpu/drm/bridge/ti-tfp410.c +++ b/drivers/gpu/drm/bridge/ti-tfp410.c @@ -394,11 +394,9 @@ static int tfp410_i2c_probe(struct i2c_client *client, return tfp410_init(&client->dev, true); } -static int tfp410_i2c_remove(struct i2c_client *client) +static void tfp410_i2c_remove(struct i2c_client *client) { tfp410_fini(&client->dev); - - return 0; } static const struct i2c_device_id tfp410_i2c_ids[] = { diff --git a/drivers/gpu/drm/i2c/ch7006_drv.c b/drivers/gpu/drm/i2c/ch7006_drv.c index b91e48d2190d..578b738859b9 100644 --- a/drivers/gpu/drm/i2c/ch7006_drv.c +++ b/drivers/gpu/drm/i2c/ch7006_drv.c @@ -417,11 +417,9 @@ fail: return -ENODEV; } -static int ch7006_remove(struct i2c_client *client) +static void ch7006_remove(struct i2c_client *client) { ch7006_dbg(client, "\n"); - - return 0; } static int ch7006_resume(struct device *dev) diff --git a/drivers/gpu/drm/i2c/sil164_drv.c b/drivers/gpu/drm/i2c/sil164_drv.c index 741886b54419..1bc0b5de4499 100644 --- a/drivers/gpu/drm/i2c/sil164_drv.c +++ b/drivers/gpu/drm/i2c/sil164_drv.c @@ -370,12 +370,6 @@ sil164_probe(struct i2c_client *client, const struct i2c_device_id *id) return 0; } -static int -sil164_remove(struct i2c_client *client) -{ - return 0; -} - static struct i2c_client * sil164_detect_slave(struct i2c_client *client) { @@ -427,7 +421,6 @@ MODULE_DEVICE_TABLE(i2c, sil164_ids); static struct drm_i2c_encoder_driver sil164_driver = { .i2c_driver = { .probe = sil164_probe, - .remove = sil164_remove, .driver = { .name = "sil164", }, diff --git a/drivers/gpu/drm/i2c/tda9950.c b/drivers/gpu/drm/i2c/tda9950.c index 5b03fdd1eaa4..9ed54e7ccff2 100644 --- a/drivers/gpu/drm/i2c/tda9950.c +++ b/drivers/gpu/drm/i2c/tda9950.c @@ -478,14 +478,12 @@ static int tda9950_probe(struct i2c_client *client, return 0; } -static int tda9950_remove(struct i2c_client *client) +static void tda9950_remove(struct i2c_client *client) { struct tda9950_priv *priv = i2c_get_clientdata(client); cec_notifier_cec_adap_unregister(priv->notify, priv->adap); cec_unregister_adapter(priv->adap); - - return 0; } static struct i2c_device_id tda9950_ids[] = { diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c index f8eb6f69be05..d444e7fffb54 100644 --- a/drivers/gpu/drm/i2c/tda998x_drv.c +++ b/drivers/gpu/drm/i2c/tda998x_drv.c @@ -2076,11 +2076,10 @@ tda998x_probe(struct i2c_client *client, const struct i2c_device_id *id) return ret; } -static int tda998x_remove(struct i2c_client *client) +static void tda998x_remove(struct i2c_client *client) { component_del(&client->dev, &tda998x_ops); tda998x_destroy(&client->dev); - return 0; } #ifdef CONFIG_OF diff --git a/drivers/gpu/drm/panel/panel-olimex-lcd-olinuxino.c b/drivers/gpu/drm/panel/panel-olimex-lcd-olinuxino.c index cb5cb27462df..36a46cb7fe1c 100644 --- a/drivers/gpu/drm/panel/panel-olimex-lcd-olinuxino.c +++ b/drivers/gpu/drm/panel/panel-olimex-lcd-olinuxino.c @@ -288,7 +288,7 @@ static int lcd_olinuxino_probe(struct i2c_client *client, return 0; } -static int lcd_olinuxino_remove(struct i2c_client *client) +static void lcd_olinuxino_remove(struct i2c_client *client) { struct lcd_olinuxino *panel = i2c_get_clientdata(client); @@ -296,8 +296,6 @@ static int lcd_olinuxino_remove(struct i2c_client *client) drm_panel_disable(&panel->panel); drm_panel_unprepare(&panel->panel); - - return 0; } static const struct of_device_id lcd_olinuxino_of_ids[] = { diff --git a/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c b/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c index a6dc5ab182fa..79f852465a84 100644 --- a/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c +++ b/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c @@ -446,7 +446,7 @@ error: return -ENODEV; } -static int rpi_touchscreen_remove(struct i2c_client *i2c) +static void rpi_touchscreen_remove(struct i2c_client *i2c) { struct rpi_touchscreen *ts = i2c_get_clientdata(i2c); @@ -455,8 +455,6 @@ static int rpi_touchscreen_remove(struct i2c_client *i2c) drm_panel_remove(&ts->base); mipi_dsi_device_unregister(ts->dsi); - - return 0; } static int rpi_touchscreen_dsi_probe(struct mipi_dsi_device *dsi) diff --git a/drivers/gpu/drm/solomon/ssd130x-i2c.c b/drivers/gpu/drm/solomon/ssd130x-i2c.c index 1e0fcec7be47..ddfa0bb5d9c9 100644 --- a/drivers/gpu/drm/solomon/ssd130x-i2c.c +++ b/drivers/gpu/drm/solomon/ssd130x-i2c.c @@ -39,13 +39,11 @@ static int ssd130x_i2c_probe(struct i2c_client *client) return 0; } -static int ssd130x_i2c_remove(struct i2c_client *client) +static void ssd130x_i2c_remove(struct i2c_client *client) { struct ssd130x_device *ssd130x = i2c_get_clientdata(client); ssd130x_remove(ssd130x); - - return 0; } static void ssd130x_i2c_shutdown(struct i2c_client *client) diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c index c078f09a2318..95cefae47adf 100644 --- a/drivers/hid/i2c-hid/i2c-hid-core.c +++ b/drivers/hid/i2c-hid/i2c-hid-core.c @@ -1064,7 +1064,7 @@ err_powered: } EXPORT_SYMBOL_GPL(i2c_hid_core_probe); -int i2c_hid_core_remove(struct i2c_client *client) +void i2c_hid_core_remove(struct i2c_client *client) { struct i2c_hid *ihid = i2c_get_clientdata(client); struct hid_device *hid; @@ -1078,8 +1078,6 @@ int i2c_hid_core_remove(struct i2c_client *client) i2c_hid_free_buffers(ihid); i2c_hid_core_power_down(ihid); - - return 0; } EXPORT_SYMBOL_GPL(i2c_hid_core_remove); diff --git a/drivers/hid/i2c-hid/i2c-hid.h b/drivers/hid/i2c-hid/i2c-hid.h index 236cc062d5ef..96c75510ad3f 100644 --- a/drivers/hid/i2c-hid/i2c-hid.h +++ b/drivers/hid/i2c-hid/i2c-hid.h @@ -33,7 +33,7 @@ struct i2chid_ops { int i2c_hid_core_probe(struct i2c_client *client, struct i2chid_ops *ops, u16 hid_descriptor_address, u32 quirks); -int i2c_hid_core_remove(struct i2c_client *client); +void i2c_hid_core_remove(struct i2c_client *client); void i2c_hid_core_shutdown(struct i2c_client *client); diff --git a/drivers/hwmon/adc128d818.c b/drivers/hwmon/adc128d818.c index fd938c70293f..299160543b35 100644 --- a/drivers/hwmon/adc128d818.c +++ b/drivers/hwmon/adc128d818.c @@ -495,14 +495,12 @@ error: return err; } -static int adc128_remove(struct i2c_client *client) +static void adc128_remove(struct i2c_client *client) { struct adc128_data *data = i2c_get_clientdata(client); if (data->regulator) regulator_disable(data->regulator); - - return 0; } static const struct i2c_device_id adc128_id[] = { diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c index c67cd037a93f..927f8df05b7c 100644 --- a/drivers/hwmon/adt7470.c +++ b/drivers/hwmon/adt7470.c @@ -1296,12 +1296,11 @@ static int adt7470_probe(struct i2c_client *client) return 0; } -static int adt7470_remove(struct i2c_client *client) +static void adt7470_remove(struct i2c_client *client) { struct adt7470_data *data = i2c_get_clientdata(client); kthread_stop(data->auto_update); - return 0; } static const struct i2c_device_id adt7470_id[] = { diff --git a/drivers/hwmon/asb100.c b/drivers/hwmon/asb100.c index 8cf0bcb85eb4..a9166c8555c5 100644 --- a/drivers/hwmon/asb100.c +++ b/drivers/hwmon/asb100.c @@ -208,7 +208,7 @@ static void asb100_write_value(struct i2c_client *client, u16 reg, u16 val); static int asb100_probe(struct i2c_client *client); static int asb100_detect(struct i2c_client *client, struct i2c_board_info *info); -static int asb100_remove(struct i2c_client *client); +static void asb100_remove(struct i2c_client *client); static struct asb100_data *asb100_update_device(struct device *dev); static void asb100_init_client(struct i2c_client *client); @@ -822,7 +822,7 @@ ERROR3: return err; } -static int asb100_remove(struct i2c_client *client) +static void asb100_remove(struct i2c_client *client) { struct asb100_data *data = i2c_get_clientdata(client); @@ -831,8 +831,6 @@ static int asb100_remove(struct i2c_client *client) i2c_unregister_device(data->lm75[1]); i2c_unregister_device(data->lm75[0]); - - return 0; } /* diff --git a/drivers/hwmon/asc7621.c b/drivers/hwmon/asc7621.c index e835605a7456..4f90fdee9cc7 100644 --- a/drivers/hwmon/asc7621.c +++ b/drivers/hwmon/asc7621.c @@ -1165,7 +1165,7 @@ static int asc7621_detect(struct i2c_client *client, return -ENODEV; } -static int asc7621_remove(struct i2c_client *client) +static void asc7621_remove(struct i2c_client *client) { struct asc7621_data *data = i2c_get_clientdata(client); int i; @@ -1176,8 +1176,6 @@ static int asc7621_remove(struct i2c_client *client) device_remove_file(&client->dev, &(asc7621_params[i].sda.dev_attr)); } - - return 0; } static const struct i2c_device_id asc7621_id[] = { diff --git a/drivers/hwmon/dme1737.c b/drivers/hwmon/dme1737.c index e3ad4c2d0038..b1cd028c8277 100644 --- a/drivers/hwmon/dme1737.c +++ b/drivers/hwmon/dme1737.c @@ -2508,14 +2508,12 @@ exit_remove: return err; } -static int dme1737_i2c_remove(struct i2c_client *client) +static void dme1737_i2c_remove(struct i2c_client *client) { struct dme1737_data *data = i2c_get_clientdata(client); hwmon_device_unregister(data->hwmon_dev); dme1737_remove_files(&client->dev); - - return 0; } static const struct i2c_device_id dme1737_id[] = { diff --git a/drivers/hwmon/f75375s.c b/drivers/hwmon/f75375s.c index 57c8a473698d..ffeed6c1e20b 100644 --- a/drivers/hwmon/f75375s.c +++ b/drivers/hwmon/f75375s.c @@ -114,7 +114,7 @@ struct f75375_data { static int f75375_detect(struct i2c_client *client, struct i2c_board_info *info); static int f75375_probe(struct i2c_client *client); -static int f75375_remove(struct i2c_client *client); +static void f75375_remove(struct i2c_client *client); static const struct i2c_device_id f75375_id[] = { { "f75373", f75373 }, @@ -864,12 +864,11 @@ exit_remove: return err; } -static int f75375_remove(struct i2c_client *client) +static void f75375_remove(struct i2c_client *client) { struct f75375_data *data = i2c_get_clientdata(client); hwmon_device_unregister(data->hwmon_dev); sysfs_remove_group(&client->dev.kobj, &f75375_group); - return 0; } /* Return 0 if detection is successful, -ENODEV otherwise */ diff --git a/drivers/hwmon/fschmd.c b/drivers/hwmon/fschmd.c index c26195e3aad7..343e227ca38a 100644 --- a/drivers/hwmon/fschmd.c +++ b/drivers/hwmon/fschmd.c @@ -217,7 +217,7 @@ static const int FSCHMD_NO_TEMP_SENSORS[7] = { 3, 3, 4, 3, 5, 5, 11 }; static int fschmd_probe(struct i2c_client *client); static int fschmd_detect(struct i2c_client *client, struct i2c_board_info *info); -static int fschmd_remove(struct i2c_client *client); +static void fschmd_remove(struct i2c_client *client); static struct fschmd_data *fschmd_update_device(struct device *dev); /* @@ -1248,7 +1248,7 @@ exit_detach: return err; } -static int fschmd_remove(struct i2c_client *client) +static void fschmd_remove(struct i2c_client *client) { struct fschmd_data *data = i2c_get_clientdata(client); int i; @@ -1291,8 +1291,6 @@ static int fschmd_remove(struct i2c_client *client) mutex_lock(&watchdog_data_mutex); kref_put(&data->kref, fschmd_release_resources); mutex_unlock(&watchdog_data_mutex); - - return 0; } static struct fschmd_data *fschmd_update_device(struct device *dev) diff --git a/drivers/hwmon/ftsteutates.c b/drivers/hwmon/ftsteutates.c index ceffc76a0c51..918763832432 100644 --- a/drivers/hwmon/ftsteutates.c +++ b/drivers/hwmon/ftsteutates.c @@ -744,12 +744,11 @@ static int fts_detect(struct i2c_client *client, return 0; } -static int fts_remove(struct i2c_client *client) +static void fts_remove(struct i2c_client *client) { struct fts_data *data = dev_get_drvdata(&client->dev); watchdog_unregister_device(&data->wdd); - return 0; } static int fts_probe(struct i2c_client *client) diff --git a/drivers/hwmon/ina209.c b/drivers/hwmon/ina209.c index fc3007c3e85c..9b58655d2de4 100644 --- a/drivers/hwmon/ina209.c +++ b/drivers/hwmon/ina209.c @@ -568,13 +568,11 @@ out_restore_conf: return ret; } -static int ina209_remove(struct i2c_client *client) +static void ina209_remove(struct i2c_client *client) { struct ina209_data *data = i2c_get_clientdata(client); ina209_restore_conf(client, data); - - return 0; } static const struct i2c_device_id ina209_id[] = { diff --git a/drivers/hwmon/ina3221.c b/drivers/hwmon/ina3221.c index 58d3828e2ec0..f89bac19bd73 100644 --- a/drivers/hwmon/ina3221.c +++ b/drivers/hwmon/ina3221.c @@ -913,7 +913,7 @@ fail: return ret; } -static int ina3221_remove(struct i2c_client *client) +static void ina3221_remove(struct i2c_client *client) { struct ina3221_data *ina = dev_get_drvdata(&client->dev); int i; @@ -926,8 +926,6 @@ static int ina3221_remove(struct i2c_client *client) pm_runtime_put_noidle(ina->pm_dev); mutex_destroy(&ina->lock); - - return 0; } static int __maybe_unused ina3221_suspend(struct device *dev) diff --git a/drivers/hwmon/jc42.c b/drivers/hwmon/jc42.c index 07f7f8b5b73d..7b3c190959d3 100644 --- a/drivers/hwmon/jc42.c +++ b/drivers/hwmon/jc42.c @@ -524,7 +524,7 @@ static int jc42_probe(struct i2c_client *client) return PTR_ERR_OR_ZERO(hwmon_dev); } -static int jc42_remove(struct i2c_client *client) +static void jc42_remove(struct i2c_client *client) { struct jc42_data *data = i2c_get_clientdata(client); @@ -537,7 +537,6 @@ static int jc42_remove(struct i2c_client *client) | (data->config & JC42_CFG_HYST_MASK); i2c_smbus_write_word_swapped(client, JC42_REG_CONFIG, config); } - return 0; } #ifdef CONFIG_PM diff --git a/drivers/hwmon/occ/p8_i2c.c b/drivers/hwmon/occ/p8_i2c.c index b221be1f35f3..9e1744fccb35 100644 --- a/drivers/hwmon/occ/p8_i2c.c +++ b/drivers/hwmon/occ/p8_i2c.c @@ -227,13 +227,11 @@ static int p8_i2c_occ_probe(struct i2c_client *client) return occ_setup(occ); } -static int p8_i2c_occ_remove(struct i2c_client *client) +static void p8_i2c_occ_remove(struct i2c_client *client) { struct occ *occ = dev_get_drvdata(&client->dev); occ_shutdown(occ); - - return 0; } static const struct of_device_id p8_i2c_occ_of_match[] = { diff --git a/drivers/hwmon/pcf8591.c b/drivers/hwmon/pcf8591.c index a97a51005c61..af9614e918a4 100644 --- a/drivers/hwmon/pcf8591.c +++ b/drivers/hwmon/pcf8591.c @@ -228,14 +228,13 @@ exit_sysfs_remove: return err; } -static int pcf8591_remove(struct i2c_client *client) +static void pcf8591_remove(struct i2c_client *client) { struct pcf8591_data *data = i2c_get_clientdata(client); hwmon_device_unregister(data->hwmon_dev); sysfs_remove_group(&client->dev.kobj, &pcf8591_attr_group_opt); sysfs_remove_group(&client->dev.kobj, &pcf8591_attr_group); - return 0; } /* Called when we have found a new PCF8591. */ diff --git a/drivers/hwmon/smm665.c b/drivers/hwmon/smm665.c index 8c4ed72e5d68..c36bdbe423de 100644 --- a/drivers/hwmon/smm665.c +++ b/drivers/hwmon/smm665.c @@ -671,12 +671,11 @@ out_unregister: return ret; } -static int smm665_remove(struct i2c_client *client) +static void smm665_remove(struct i2c_client *client) { struct smm665_data *data = i2c_get_clientdata(client); i2c_unregister_device(data->cmdreg); - return 0; } static const struct i2c_device_id smm665_id[] = { diff --git a/drivers/hwmon/tps23861.c b/drivers/hwmon/tps23861.c index f7c59ff7ae8e..5e3fc2251510 100644 --- a/drivers/hwmon/tps23861.c +++ b/drivers/hwmon/tps23861.c @@ -590,13 +590,11 @@ static int tps23861_probe(struct i2c_client *client) return 0; } -static int tps23861_remove(struct i2c_client *client) +static void tps23861_remove(struct i2c_client *client) { struct tps23861_data *data = i2c_get_clientdata(client); debugfs_remove_recursive(data->debugfs_dir); - - return 0; } static const struct of_device_id __maybe_unused tps23861_of_match[] = { diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c index b3579721265f..55c78e12bbbe 100644 --- a/drivers/hwmon/w83781d.c +++ b/drivers/hwmon/w83781d.c @@ -1239,7 +1239,7 @@ static int w83781d_probe(struct i2c_client *client) return err; } -static int +static void w83781d_remove(struct i2c_client *client) { struct w83781d_data *data = i2c_get_clientdata(client); @@ -1250,8 +1250,6 @@ w83781d_remove(struct i2c_client *client) i2c_unregister_device(data->lm75[0]); i2c_unregister_device(data->lm75[1]); - - return 0; } static int diff --git a/drivers/hwmon/w83791d.c b/drivers/hwmon/w83791d.c index 80a9a78d7ce9..5fe5c93856af 100644 --- a/drivers/hwmon/w83791d.c +++ b/drivers/hwmon/w83791d.c @@ -315,7 +315,7 @@ struct w83791d_data { static int w83791d_probe(struct i2c_client *client); static int w83791d_detect(struct i2c_client *client, struct i2c_board_info *info); -static int w83791d_remove(struct i2c_client *client); +static void w83791d_remove(struct i2c_client *client); static int w83791d_read(struct i2c_client *client, u8 reg); static int w83791d_write(struct i2c_client *client, u8 reg, u8 value); @@ -1405,14 +1405,12 @@ error4: return err; } -static int w83791d_remove(struct i2c_client *client) +static void w83791d_remove(struct i2c_client *client) { struct w83791d_data *data = i2c_get_clientdata(client); hwmon_device_unregister(data->hwmon_dev); sysfs_remove_group(&client->dev.kobj, &w83791d_group); - - return 0; } static void w83791d_init_client(struct i2c_client *client) diff --git a/drivers/hwmon/w83792d.c b/drivers/hwmon/w83792d.c index 31a1cdc30877..2ee8ee4f0f1c 100644 --- a/drivers/hwmon/w83792d.c +++ b/drivers/hwmon/w83792d.c @@ -286,7 +286,7 @@ struct w83792d_data { static int w83792d_probe(struct i2c_client *client); static int w83792d_detect(struct i2c_client *client, struct i2c_board_info *info); -static int w83792d_remove(struct i2c_client *client); +static void w83792d_remove(struct i2c_client *client); static struct w83792d_data *w83792d_update_device(struct device *dev); #ifdef DEBUG @@ -1429,7 +1429,7 @@ exit_remove_files: return err; } -static int +static void w83792d_remove(struct i2c_client *client) { struct w83792d_data *data = i2c_get_clientdata(client); @@ -1440,8 +1440,6 @@ w83792d_remove(struct i2c_client *client) for (i = 0; i < ARRAY_SIZE(w83792d_group_fan); i++) sysfs_remove_group(&client->dev.kobj, &w83792d_group_fan[i]); - - return 0; } static void diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c index 0a65d164c8f0..daeaaded6b76 100644 --- a/drivers/hwmon/w83793.c +++ b/drivers/hwmon/w83793.c @@ -285,7 +285,7 @@ static int w83793_write_value(struct i2c_client *client, u16 reg, u8 value); static int w83793_probe(struct i2c_client *client); static int w83793_detect(struct i2c_client *client, struct i2c_board_info *info); -static int w83793_remove(struct i2c_client *client); +static void w83793_remove(struct i2c_client *client); static void w83793_init_client(struct i2c_client *client); static void w83793_update_nonvolatile(struct device *dev); static struct w83793_data *w83793_update_device(struct device *dev); @@ -1495,7 +1495,7 @@ static struct notifier_block watchdog_notifier = { * Init / remove routines */ -static int w83793_remove(struct i2c_client *client) +static void w83793_remove(struct i2c_client *client) { struct w83793_data *data = i2c_get_clientdata(client); struct device *dev = &client->dev; @@ -1554,8 +1554,6 @@ static int w83793_remove(struct i2c_client *client) mutex_lock(&watchdog_data_mutex); kref_put(&data->kref, w83793_release_resources); mutex_unlock(&watchdog_data_mutex); - - return 0; } static int diff --git a/drivers/hwmon/w83795.c b/drivers/hwmon/w83795.c index 45b12c4287df..b170cdf3c2be 100644 --- a/drivers/hwmon/w83795.c +++ b/drivers/hwmon/w83795.c @@ -2235,14 +2235,12 @@ exit_remove: return err; } -static int w83795_remove(struct i2c_client *client) +static void w83795_remove(struct i2c_client *client) { struct w83795_data *data = i2c_get_clientdata(client); hwmon_device_unregister(data->hwmon_dev); w83795_handle_files(&client->dev, device_remove_file_wrapper); - - return 0; } diff --git a/drivers/hwmon/w83l785ts.c b/drivers/hwmon/w83l785ts.c index a41f989d66e2..99f68358378b 100644 --- a/drivers/hwmon/w83l785ts.c +++ b/drivers/hwmon/w83l785ts.c @@ -65,7 +65,7 @@ static const unsigned short normal_i2c[] = { 0x2e, I2C_CLIENT_END }; static int w83l785ts_probe(struct i2c_client *client); static int w83l785ts_detect(struct i2c_client *client, struct i2c_board_info *info); -static int w83l785ts_remove(struct i2c_client *client); +static void w83l785ts_remove(struct i2c_client *client); static u8 w83l785ts_read_value(struct i2c_client *client, u8 reg, u8 defval); static struct w83l785ts_data *w83l785ts_update_device(struct device *dev); @@ -203,7 +203,7 @@ exit_remove: return err; } -static int w83l785ts_remove(struct i2c_client *client) +static void w83l785ts_remove(struct i2c_client *client) { struct w83l785ts_data *data = i2c_get_clientdata(client); @@ -212,8 +212,6 @@ static int w83l785ts_remove(struct i2c_client *client) &sensor_dev_attr_temp1_input.dev_attr); device_remove_file(&client->dev, &sensor_dev_attr_temp1_max.dev_attr); - - return 0; } static u8 w83l785ts_read_value(struct i2c_client *client, u8 reg, u8 defval) diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index 7284206b278b..a8b873b30b00 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -1267,6 +1267,16 @@ config I2C_PARPORT This support is also available as a module. If so, the module will be called i2c-parport. +config I2C_PCI1XXXX + tristate "PCI1XXXX I2C Host Adapter" + depends on PCI + help + If you say yes to this option, support will be included for + Microchip PCI1XXXX's I2C interface. + + This driver can also be built as a module. If so, the module will + be called i2c-mchp-pci1xxxx. + config I2C_ROBOTFUZZ_OSIF tristate "RobotFuzz Open Source InterFace USB adapter" depends on USB diff --git a/drivers/i2c/busses/Makefile b/drivers/i2c/busses/Makefile index c5cac15f075c..e73cdb1d2b5a 100644 --- a/drivers/i2c/busses/Makefile +++ b/drivers/i2c/busses/Makefile @@ -133,6 +133,7 @@ obj-$(CONFIG_I2C_DIOLAN_U2C) += i2c-diolan-u2c.o obj-$(CONFIG_I2C_DLN2) += i2c-dln2.o obj-$(CONFIG_I2C_CP2615) += i2c-cp2615.o obj-$(CONFIG_I2C_PARPORT) += i2c-parport.o +obj-$(CONFIG_I2C_PCI1XXXX) += i2c-mchp-pci1xxxx.o obj-$(CONFIG_I2C_ROBOTFUZZ_OSIF) += i2c-robotfuzz-osif.o obj-$(CONFIG_I2C_TAOS_EVM) += i2c-taos-evm.o obj-$(CONFIG_I2C_TINY_USB) += i2c-tiny-usb.o diff --git a/drivers/i2c/busses/i2c-cadence.c b/drivers/i2c/busses/i2c-cadence.c index 33f5588a50c0..fe0cd205502d 100644 --- a/drivers/i2c/busses/i2c-cadence.c +++ b/drivers/i2c/busses/i2c-cadence.c @@ -10,10 +10,12 @@ #include <linux/i2c.h> #include <linux/interrupt.h> #include <linux/io.h> +#include <linux/iopoll.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/of.h> #include <linux/pm_runtime.h> +#include <linux/pinctrl/consumer.h> /* Register offsets for the I2C device. */ #define CDNS_I2C_CR_OFFSET 0x00 /* Control Register, RW */ @@ -127,6 +129,8 @@ #define CDNS_I2C_TIMEOUT_MAX 0xFF #define CDNS_I2C_BROKEN_HOLD_BIT BIT(0) +#define CDNS_I2C_POLL_US 100000 +#define CDNS_I2C_TIMEOUT_US 500000 #define cdns_i2c_readreg(offset) readl_relaxed(id->membase + offset) #define cdns_i2c_writereg(val, offset) writel_relaxed(val, id->membase + offset) @@ -204,6 +208,7 @@ struct cdns_i2c { struct notifier_block clk_rate_change_nb; u32 quirks; u32 ctrl_reg; + struct i2c_bus_recovery_info rinfo; #if IS_ENABLED(CONFIG_I2C_SLAVE) u16 ctrl_reg_diva_divb; struct i2c_client *slave; @@ -840,8 +845,14 @@ static int cdns_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, #endif /* Check if the bus is free */ - if (cdns_i2c_readreg(CDNS_I2C_SR_OFFSET) & CDNS_I2C_SR_BA) { + + ret = readl_relaxed_poll_timeout(id->membase + CDNS_I2C_SR_OFFSET, + reg, + !(reg & CDNS_I2C_SR_BA), + CDNS_I2C_POLL_US, CDNS_I2C_TIMEOUT_US); + if (ret) { ret = -EAGAIN; + i2c_recover_bus(adap); goto out; } @@ -1250,6 +1261,12 @@ static int cdns_i2c_probe(struct platform_device *pdev) id->quirks = data->quirks; } + id->rinfo.pinctrl = devm_pinctrl_get(&pdev->dev); + if (IS_ERR(id->rinfo.pinctrl)) { + dev_info(&pdev->dev, "can't get pinctrl, bus recovery not supported\n"); + return PTR_ERR(id->rinfo.pinctrl); + } + id->membase = devm_platform_get_and_ioremap_resource(pdev, 0, &r_mem); if (IS_ERR(id->membase)) return PTR_ERR(id->membase); @@ -1266,6 +1283,7 @@ static int cdns_i2c_probe(struct platform_device *pdev) id->adap.retries = 3; /* Default retry value. */ id->adap.algo_data = id; id->adap.dev.parent = &pdev->dev; + id->adap.bus_recovery_info = &id->rinfo; init_completion(&id->xfer_done); snprintf(id->adap.name, sizeof(id->adap.name), "Cadence I2C at %08lx", (unsigned long)r_mem->start); diff --git a/drivers/i2c/busses/i2c-designware-amdpsp.c b/drivers/i2c/busses/i2c-designware-amdpsp.c index b624356c945f..8f36167bce62 100644 --- a/drivers/i2c/busses/i2c-designware-amdpsp.c +++ b/drivers/i2c/busses/i2c-designware-amdpsp.c @@ -6,6 +6,7 @@ #include <linux/io-64-nonatomic-lo-hi.h> #include <linux/psp-sev.h> #include <linux/types.h> +#include <linux/workqueue.h> #include <asm/msr.h> @@ -15,6 +16,8 @@ #define PSP_MBOX_OFFSET 0x10570 #define PSP_CMD_TIMEOUT_US (500 * USEC_PER_MSEC) +#define PSP_I2C_RESERVATION_TIME_MS 100 + #define PSP_I2C_REQ_BUS_CMD 0x64 #define PSP_I2C_REQ_RETRY_CNT 400 #define PSP_I2C_REQ_RETRY_DELAY_US (25 * USEC_PER_MSEC) @@ -240,6 +243,41 @@ cleanup: return ret; } +static void release_bus(void) +{ + int status; + + if (!psp_i2c_sem_acquired) + return; + + status = psp_send_i2c_req(PSP_I2C_REQ_RELEASE); + if (status) + return; + + dev_dbg(psp_i2c_dev, "PSP semaphore held for %ums\n", + jiffies_to_msecs(jiffies - psp_i2c_sem_acquired)); + + psp_i2c_sem_acquired = 0; +} + +static void psp_release_i2c_bus_deferred(struct work_struct *work) +{ + mutex_lock(&psp_i2c_access_mutex); + + /* + * If there is any pending transaction, cannot release the bus here. + * psp_release_i2c_bus will take care of this later. + */ + if (psp_i2c_access_count) + goto cleanup; + + release_bus(); + +cleanup: + mutex_unlock(&psp_i2c_access_mutex); +} +static DECLARE_DELAYED_WORK(release_queue, psp_release_i2c_bus_deferred); + static int psp_acquire_i2c_bus(void) { int status; @@ -250,21 +288,23 @@ static int psp_acquire_i2c_bus(void) if (psp_i2c_mbox_fail) goto cleanup; + psp_i2c_access_count++; + /* - * Simply increment usage counter and return if PSP semaphore was - * already taken by kernel. + * No need to request bus arbitration once we are inside semaphore + * reservation period. */ - if (psp_i2c_access_count) { - psp_i2c_access_count++; + if (psp_i2c_sem_acquired) goto cleanup; - } status = psp_send_i2c_req(PSP_I2C_REQ_ACQUIRE); if (status) goto cleanup; psp_i2c_sem_acquired = jiffies; - psp_i2c_access_count++; + + schedule_delayed_work(&release_queue, + msecs_to_jiffies(PSP_I2C_RESERVATION_TIME_MS)); /* * In case of errors with PSP arbitrator psp_i2c_mbox_fail variable is @@ -279,8 +319,6 @@ cleanup: static void psp_release_i2c_bus(void) { - int status; - mutex_lock(&psp_i2c_access_mutex); /* Return early if mailbox was malfunctional */ @@ -295,13 +333,12 @@ static void psp_release_i2c_bus(void) if (psp_i2c_access_count) goto cleanup; - /* Send a release command to PSP */ - status = psp_send_i2c_req(PSP_I2C_REQ_RELEASE); - if (status) - goto cleanup; - - dev_dbg(psp_i2c_dev, "PSP semaphore held for %ums\n", - jiffies_to_msecs(jiffies - psp_i2c_sem_acquired)); + /* + * Send a release command to PSP if the semaphore reservation timeout + * elapsed but x86 still owns the controller. + */ + if (!delayed_work_pending(&release_queue)) + release_bus(); cleanup: mutex_unlock(&psp_i2c_access_mutex); diff --git a/drivers/i2c/busses/i2c-designware-pcidrv.c b/drivers/i2c/busses/i2c-designware-pcidrv.c index 608e61209455..e499f96506c5 100644 --- a/drivers/i2c/busses/i2c-designware-pcidrv.c +++ b/drivers/i2c/busses/i2c-designware-pcidrv.c @@ -27,7 +27,6 @@ #include "i2c-ccgx-ucsi.h" #define DRIVER_NAME "i2c-designware-pci" -#define AMD_CLK_RATE_HZ 100000 enum dw_pci_ctl_id_t { medfield, @@ -100,11 +99,6 @@ static u32 mfld_get_clk_rate_khz(struct dw_i2c_dev *dev) return 25000; } -static u32 navi_amd_get_clk_rate_khz(struct dw_i2c_dev *dev) -{ - return AMD_CLK_RATE_HZ; -} - static int mfld_setup(struct pci_dev *pdev, struct dw_pci_controller *c) { struct dw_i2c_dev *dev = dev_get_drvdata(&pdev->dev); @@ -126,15 +120,6 @@ static int mfld_setup(struct pci_dev *pdev, struct dw_pci_controller *c) return -ENODEV; } -static int navi_amd_setup(struct pci_dev *pdev, struct dw_pci_controller *c) -{ - struct dw_i2c_dev *dev = dev_get_drvdata(&pdev->dev); - - dev->flags |= MODEL_AMD_NAVI_GPU; - dev->timings.bus_freq_hz = I2C_MAX_STANDARD_MODE_FREQ; - return 0; -} - static int mrfld_setup(struct pci_dev *pdev, struct dw_pci_controller *c) { /* @@ -159,6 +144,20 @@ static u32 ehl_get_clk_rate_khz(struct dw_i2c_dev *dev) return 100000; } +static u32 navi_amd_get_clk_rate_khz(struct dw_i2c_dev *dev) +{ + return 100000; +} + +static int navi_amd_setup(struct pci_dev *pdev, struct dw_pci_controller *c) +{ + struct dw_i2c_dev *dev = dev_get_drvdata(&pdev->dev); + + dev->flags |= MODEL_AMD_NAVI_GPU; + dev->timings.bus_freq_hz = I2C_MAX_STANDARD_MODE_FREQ; + return 0; +} + static struct dw_pci_controller dw_pci_controllers[] = { [medfield] = { .bus_num = -1, @@ -243,6 +242,7 @@ static int i2c_dw_pci_probe(struct pci_dev *pdev, int r; struct dw_pci_controller *controller; struct dw_scl_sda_cfg *cfg; + struct i2c_timings *t; if (id->driver_data >= ARRAY_SIZE(dw_pci_controllers)) return dev_err_probe(&pdev->dev, -EINVAL, @@ -263,7 +263,7 @@ static int i2c_dw_pci_probe(struct pci_dev *pdev, return dev_err_probe(&pdev->dev, r, "I/O memory remapping failed\n"); - dev = devm_kzalloc(&pdev->dev, sizeof(struct dw_i2c_dev), GFP_KERNEL); + dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL); if (!dev) return -ENOMEM; @@ -272,12 +272,14 @@ static int i2c_dw_pci_probe(struct pci_dev *pdev, return r; dev->get_clk_rate_khz = controller->get_clk_rate_khz; - dev->timings.bus_freq_hz = I2C_MAX_FAST_MODE_FREQ; dev->base = pcim_iomap_table(pdev)[0]; dev->dev = &pdev->dev; dev->irq = pci_irq_vector(pdev, 0); dev->flags |= controller->flags; + t = &dev->timings; + i2c_parse_fw_timings(&pdev->dev, t, false); + pci_set_drvdata(pdev, dev); if (controller->setup) { @@ -389,6 +391,7 @@ static const struct pci_device_id i2_designware_pci_ids[] = { { PCI_VDEVICE(INTEL, 0x4bbe), elkhartlake }, { PCI_VDEVICE(INTEL, 0x4bbf), elkhartlake }, { PCI_VDEVICE(INTEL, 0x4bc0), elkhartlake }, + /* AMD NAVI */ { PCI_VDEVICE(ATI, 0x7314), navi_amd }, { PCI_VDEVICE(ATI, 0x73a4), navi_amd }, { PCI_VDEVICE(ATI, 0x73e4), navi_amd }, diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index a176296f4fff..e06509edc5f3 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -1838,6 +1838,7 @@ static struct pci_driver i801_driver = { .shutdown = i801_shutdown, .driver = { .pm = &i801_pm_ops, + .probe_type = PROBE_PREFER_ASYNCHRONOUS, }, }; diff --git a/drivers/i2c/busses/i2c-imx-lpi2c.c b/drivers/i2c/busses/i2c-imx-lpi2c.c index b51ab3cad2b1..188f2a36d2fd 100644 --- a/drivers/i2c/busses/i2c-imx-lpi2c.c +++ b/drivers/i2c/busses/i2c-imx-lpi2c.c @@ -94,7 +94,8 @@ enum lpi2c_imx_pincfg { struct lpi2c_imx_struct { struct i2c_adapter adapter; - struct clk *clk; + int num_clks; + struct clk_bulk_data *clks; void __iomem *base; __u8 *rx_buf; __u8 *tx_buf; @@ -207,7 +208,7 @@ static int lpi2c_imx_config(struct lpi2c_imx_struct *lpi2c_imx) lpi2c_imx_set_mode(lpi2c_imx); - clk_rate = clk_get_rate(lpi2c_imx->clk); + clk_rate = clk_get_rate(lpi2c_imx->clks[0].clk); if (lpi2c_imx->mode == HS || lpi2c_imx->mode == ULTRA_FAST) filt = 0; else @@ -561,11 +562,12 @@ static int lpi2c_imx_probe(struct platform_device *pdev) strscpy(lpi2c_imx->adapter.name, pdev->name, sizeof(lpi2c_imx->adapter.name)); - lpi2c_imx->clk = devm_clk_get(&pdev->dev, NULL); - if (IS_ERR(lpi2c_imx->clk)) { - dev_err(&pdev->dev, "can't get I2C peripheral clock\n"); - return PTR_ERR(lpi2c_imx->clk); + ret = devm_clk_bulk_get_all(&pdev->dev, &lpi2c_imx->clks); + if (ret < 0) { + dev_err(&pdev->dev, "can't get I2C peripheral clock, ret=%d\n", ret); + return ret; } + lpi2c_imx->num_clks = ret; ret = of_property_read_u32(pdev->dev.of_node, "clock-frequency", &lpi2c_imx->bitrate); @@ -582,11 +584,9 @@ static int lpi2c_imx_probe(struct platform_device *pdev) i2c_set_adapdata(&lpi2c_imx->adapter, lpi2c_imx); platform_set_drvdata(pdev, lpi2c_imx); - ret = clk_prepare_enable(lpi2c_imx->clk); - if (ret) { - dev_err(&pdev->dev, "clk enable failed %d\n", ret); + ret = clk_bulk_prepare_enable(lpi2c_imx->num_clks, lpi2c_imx->clks); + if (ret) return ret; - } pm_runtime_set_autosuspend_delay(&pdev->dev, I2C_PM_TIMEOUT); pm_runtime_use_autosuspend(&pdev->dev); @@ -633,7 +633,7 @@ static int __maybe_unused lpi2c_runtime_suspend(struct device *dev) { struct lpi2c_imx_struct *lpi2c_imx = dev_get_drvdata(dev); - clk_disable_unprepare(lpi2c_imx->clk); + clk_bulk_disable_unprepare(lpi2c_imx->num_clks, lpi2c_imx->clks); pinctrl_pm_select_sleep_state(dev); return 0; @@ -645,7 +645,7 @@ static int __maybe_unused lpi2c_runtime_resume(struct device *dev) int ret; pinctrl_pm_select_default_state(dev); - ret = clk_prepare_enable(lpi2c_imx->clk); + ret = clk_bulk_prepare_enable(lpi2c_imx->num_clks, lpi2c_imx->clks); if (ret) { dev_err(dev, "failed to enable I2C clock, ret=%d\n", ret); return ret; diff --git a/drivers/i2c/busses/i2c-ismt.c b/drivers/i2c/busses/i2c-ismt.c index 6078fa0c0d48..fe2349590f75 100644 --- a/drivers/i2c/busses/i2c-ismt.c +++ b/drivers/i2c/busses/i2c-ismt.c @@ -937,11 +937,8 @@ ismt_probe(struct pci_dev *pdev, const struct pci_device_id *id) err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); if (err) { - err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); - if (err) { - dev_err(&pdev->dev, "dma_set_mask fail\n"); - return -ENODEV; - } + dev_err(&pdev->dev, "dma_set_mask fail\n"); + return -ENODEV; } err = ismt_dev_init(priv); diff --git a/drivers/i2c/busses/i2c-mchp-pci1xxxx.c b/drivers/i2c/busses/i2c-mchp-pci1xxxx.c new file mode 100644 index 000000000000..f5342201eb6b --- /dev/null +++ b/drivers/i2c/busses/i2c-mchp-pci1xxxx.c @@ -0,0 +1,1210 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Microchip PCI1XXXX I2C adapter driver for PCIe Switch + * which has I2C controller in one of its downstream functions + * + * Copyright (C) 2021 - 2022 Microchip Technology Inc. + * + * Authors: Tharun Kumar P <tharunkumar.pasumarthi@microchip.com> + * Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com> + */ + +#include <linux/bits.h> +#include <linux/delay.h> +#include <linux/i2c.h> +#include <linux/i2c-smbus.h> +#include <linux/interrupt.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/pci.h> +#include <linux/types.h> + +#define SMBUS_MAST_CORE_ADDR_BASE 0x00000 +#define SMBUS_MAST_SYS_REG_ADDR_BASE 0x01000 + +/* SMB register space. */ +#define SMB_CORE_CTRL_REG_OFF (SMBUS_MAST_CORE_ADDR_BASE + 0x00) + +#define SMB_CORE_CTRL_ESO BIT(6) +#define SMB_CORE_CTRL_FW_ACK BIT(4) +#define SMB_CORE_CTRL_ACK BIT(0) + +#define SMB_CORE_CMD_REG_OFF3 (SMBUS_MAST_CORE_ADDR_BASE + 0x0F) +#define SMB_CORE_CMD_REG_OFF2 (SMBUS_MAST_CORE_ADDR_BASE + 0x0E) +#define SMB_CORE_CMD_REG_OFF1 (SMBUS_MAST_CORE_ADDR_BASE + 0x0D) + +#define SMB_CORE_CMD_READM BIT(4) +#define SMB_CORE_CMD_STOP BIT(2) +#define SMB_CORE_CMD_START BIT(0) + +#define SMB_CORE_CMD_REG_OFF0 (SMBUS_MAST_CORE_ADDR_BASE + 0x0C) + +#define SMB_CORE_CMD_M_PROCEED BIT(1) +#define SMB_CORE_CMD_M_RUN BIT(0) + +#define SMB_CORE_SR_HOLD_TIME_REG_OFF (SMBUS_MAST_CORE_ADDR_BASE + 0x18) + +/* + * SR_HOLD_TIME_XK_TICKS field will indicate the number of ticks of the + * baud clock required to program 'Hold Time' at X KHz. + */ +#define SR_HOLD_TIME_100K_TICKS 133 +#define SR_HOLD_TIME_400K_TICKS 20 +#define SR_HOLD_TIME_1000K_TICKS 11 + +#define SMB_CORE_COMPLETION_REG_OFF3 (SMBUS_MAST_CORE_ADDR_BASE + 0x23) + +#define COMPLETION_MDONE BIT(6) +#define COMPLETION_IDLE BIT(5) +#define COMPLETION_MNAKX BIT(0) + +#define SMB_CORE_IDLE_SCALING_REG_OFF (SMBUS_MAST_CORE_ADDR_BASE + 0x24) + +/* + * FAIR_BUS_IDLE_MIN_XK_TICKS field will indicate the number of ticks of + * the baud clock required to program 'fair idle delay' at X KHz. Fair idle + * delay establishes the MCTP T(IDLE_DELAY) period. + */ +#define FAIR_BUS_IDLE_MIN_100K_TICKS 969 +#define FAIR_BUS_IDLE_MIN_400K_TICKS 157 +#define FAIR_BUS_IDLE_MIN_1000K_TICKS 157 + +/* + * FAIR_IDLE_DELAY_XK_TICKS field will indicate the number of ticks of the + * baud clock required to satisfy the fairness protocol at X KHz. + */ +#define FAIR_IDLE_DELAY_100K_TICKS 1000 +#define FAIR_IDLE_DELAY_400K_TICKS 500 +#define FAIR_IDLE_DELAY_1000K_TICKS 500 + +#define SMB_IDLE_SCALING_100K \ + ((FAIR_IDLE_DELAY_100K_TICKS << 16) | FAIR_BUS_IDLE_MIN_100K_TICKS) +#define SMB_IDLE_SCALING_400K \ + ((FAIR_IDLE_DELAY_400K_TICKS << 16) | FAIR_BUS_IDLE_MIN_400K_TICKS) +#define SMB_IDLE_SCALING_1000K \ + ((FAIR_IDLE_DELAY_1000K_TICKS << 16) | FAIR_BUS_IDLE_MIN_1000K_TICKS) + +#define SMB_CORE_CONFIG_REG3 (SMBUS_MAST_CORE_ADDR_BASE + 0x2B) + +#define SMB_CONFIG3_ENMI BIT(6) +#define SMB_CONFIG3_ENIDI BIT(5) + +#define SMB_CORE_CONFIG_REG2 (SMBUS_MAST_CORE_ADDR_BASE + 0x2A) +#define SMB_CORE_CONFIG_REG1 (SMBUS_MAST_CORE_ADDR_BASE + 0x29) + +#define SMB_CONFIG1_ASR BIT(7) +#define SMB_CONFIG1_ENAB BIT(2) +#define SMB_CONFIG1_RESET BIT(1) +#define SMB_CONFIG1_FEN BIT(0) + +#define SMB_CORE_BUS_CLK_REG_OFF (SMBUS_MAST_CORE_ADDR_BASE + 0x2C) + +/* + * BUS_CLK_XK_LOW_PERIOD_TICKS field defines the number of I2C Baud Clock + * periods that make up the low phase of the I2C/SMBus bus clock at X KHz. + */ +#define BUS_CLK_100K_LOW_PERIOD_TICKS 156 +#define BUS_CLK_400K_LOW_PERIOD_TICKS 41 +#define BUS_CLK_1000K_LOW_PERIOD_TICKS 15 + +/* + * BUS_CLK_XK_HIGH_PERIOD_TICKS field defines the number of I2C Baud Clock + * periods that make up the high phase of the I2C/SMBus bus clock at X KHz. + */ +#define BUS_CLK_100K_HIGH_PERIOD_TICKS 154 +#define BUS_CLK_400K_HIGH_PERIOD_TICKS 35 +#define BUS_CLK_1000K_HIGH_PERIOD_TICKS 14 + +#define BUS_CLK_100K \ + ((BUS_CLK_100K_HIGH_PERIOD_TICKS << 8) | BUS_CLK_100K_LOW_PERIOD_TICKS) +#define BUS_CLK_400K \ + ((BUS_CLK_400K_HIGH_PERIOD_TICKS << 8) | BUS_CLK_400K_LOW_PERIOD_TICKS) +#define BUS_CLK_1000K \ + ((BUS_CLK_1000K_HIGH_PERIOD_TICKS << 8) | BUS_CLK_1000K_LOW_PERIOD_TICKS) + +#define SMB_CORE_CLK_SYNC_REG_OFF (SMBUS_MAST_CORE_ADDR_BASE + 0x3C) + +/* + * CLK_SYNC_XK defines the number of clock cycles to sync up to the external + * clock before comparing the internal and external clocks for clock stretching + * at X KHz. + */ +#define CLK_SYNC_100K 4 +#define CLK_SYNC_400K 4 +#define CLK_SYNC_1000K 4 + +#define SMB_CORE_DATA_TIMING_REG_OFF (SMBUS_MAST_CORE_ADDR_BASE + 0x40) + +/* + * + * FIRST_START_HOLD_XK_TICKS will indicate the number of ticks of the baud + * clock required to program 'FIRST_START_HOLD' timer at X KHz. This timer + * determines the SCLK hold time following SDAT driven low during the first + * START bit in a transfer. + */ +#define FIRST_START_HOLD_100K_TICKS 22 +#define FIRST_START_HOLD_400K_TICKS 16 +#define FIRST_START_HOLD_1000K_TICKS 6 + +/* + * STOP_SETUP_XK_TICKS will indicate the number of ticks of the baud clock + * required to program 'STOP_SETUP' timer at X KHz. This timer determines the + * SDAT setup time from the rising edge of SCLK for a STOP condition. + */ +#define STOP_SETUP_100K_TICKS 157 +#define STOP_SETUP_400K_TICKS 20 +#define STOP_SETUP_1000K_TICKS 12 + +/* + * RESTART_SETUP_XK_TICKS will indicate the number of ticks of the baud clock + * required to program 'RESTART_SETUP' timer at X KHz. This timer determines the + * SDAT setup time from the rising edge of SCLK for a repeated START condition. + */ +#define RESTART_SETUP_100K_TICKS 157 +#define RESTART_SETUP_400K_TICKS 20 +#define RESTART_SETUP_1000K_TICKS 12 + +/* + * DATA_HOLD_XK_TICKS will indicate the number of ticks of the baud clock + * required to program 'DATA_HOLD' timer at X KHz. This timer determines the + * SDAT hold time following SCLK driven low. + */ +#define DATA_HOLD_100K_TICKS 2 +#define DATA_HOLD_400K_TICKS 2 +#define DATA_HOLD_1000K_TICKS 2 + +#define DATA_TIMING_100K \ + ((FIRST_START_HOLD_100K_TICKS << 24) | (STOP_SETUP_100K_TICKS << 16) | \ + (RESTART_SETUP_100K_TICKS << 8) | DATA_HOLD_100K_TICKS) +#define DATA_TIMING_400K \ + ((FIRST_START_HOLD_400K_TICKS << 24) | (STOP_SETUP_400K_TICKS << 16) | \ + (RESTART_SETUP_400K_TICKS << 8) | DATA_HOLD_400K_TICKS) +#define DATA_TIMING_1000K \ + ((FIRST_START_HOLD_1000K_TICKS << 24) | (STOP_SETUP_1000K_TICKS << 16) | \ + (RESTART_SETUP_1000K_TICKS << 8) | DATA_HOLD_1000K_TICKS) + +#define SMB_CORE_TO_SCALING_REG_OFF (SMBUS_MAST_CORE_ADDR_BASE + 0x44) + +/* + * BUS_IDLE_MIN_XK_TICKS defines Bus Idle Minimum Time. + * Bus Idle Minimum time = BUS_IDLE_MIN[7:0] x Baud_Clock_Period x + * (BUS_IDLE_MIN_XK_TICKS[7] ? 4,1) + */ +#define BUS_IDLE_MIN_100K_TICKS 167UL +#define BUS_IDLE_MIN_400K_TICKS 139UL +#define BUS_IDLE_MIN_1000K_TICKS 133UL + +/* + * CTRL_CUM_TIME_OUT_XK_TICKS defines SMBus Controller Cumulative Time-Out. + * SMBus Controller Cumulative Time-Out duration = + * CTRL_CUM_TIME_OUT_XK_TICKS[7:0] x Baud_Clock_Period x 2048 + */ +#define CTRL_CUM_TIME_OUT_100K_TICKS 159 +#define CTRL_CUM_TIME_OUT_400K_TICKS 159 +#define CTRL_CUM_TIME_OUT_1000K_TICKS 159 + +/* + * TARGET_CUM_TIME_OUT_XK_TICKS defines SMBus Target Cumulative Time-Out duration. + * SMBus Target Cumulative Time-Out duration = TARGET_CUM_TIME_OUT_XK_TICKS[7:0] x + * Baud_Clock_Period x 4096 + */ +#define TARGET_CUM_TIME_OUT_100K_TICKS 199 +#define TARGET_CUM_TIME_OUT_400K_TICKS 199 +#define TARGET_CUM_TIME_OUT_1000K_TICKS 199 + +/* + * CLOCK_HIGH_TIME_OUT_XK defines Clock High time out period. + * Clock High time out period = CLOCK_HIGH_TIME_OUT_XK[7:0] x Baud_Clock_Period x 8 + */ +#define CLOCK_HIGH_TIME_OUT_100K_TICKS 204 +#define CLOCK_HIGH_TIME_OUT_400K_TICKS 204 +#define CLOCK_HIGH_TIME_OUT_1000K_TICKS 204 + +#define TO_SCALING_100K \ + ((BUS_IDLE_MIN_100K_TICKS << 24) | (CTRL_CUM_TIME_OUT_100K_TICKS << 16) | \ + (TARGET_CUM_TIME_OUT_100K_TICKS << 8) | CLOCK_HIGH_TIME_OUT_100K_TICKS) +#define TO_SCALING_400K \ + ((BUS_IDLE_MIN_400K_TICKS << 24) | (CTRL_CUM_TIME_OUT_400K_TICKS << 16) | \ + (TARGET_CUM_TIME_OUT_400K_TICKS << 8) | CLOCK_HIGH_TIME_OUT_400K_TICKS) +#define TO_SCALING_1000K \ + ((BUS_IDLE_MIN_1000K_TICKS << 24) | (CTRL_CUM_TIME_OUT_1000K_TICKS << 16) | \ + (TARGET_CUM_TIME_OUT_1000K_TICKS << 8) | CLOCK_HIGH_TIME_OUT_1000K_TICKS) + +#define I2C_SCL_PAD_CTRL_REG_OFF (SMBUS_MAST_CORE_ADDR_BASE + 0x100) +#define I2C_SDA_PAD_CTRL_REG_OFF (SMBUS_MAST_CORE_ADDR_BASE + 0x101) + +#define I2C_FOD_EN BIT(4) +#define I2C_PULL_UP_EN BIT(3) +#define I2C_PULL_DOWN_EN BIT(2) +#define I2C_INPUT_EN BIT(1) +#define I2C_OUTPUT_EN BIT(0) + +#define SMBUS_CONTROL_REG_OFF (SMBUS_MAST_CORE_ADDR_BASE + 0x200) + +#define CTL_RESET_COUNTERS BIT(3) +#define CTL_TRANSFER_DIR BIT(2) +#define CTL_HOST_FIFO_ENTRY BIT(1) +#define CTL_RUN BIT(0) + +#define I2C_DIRN_WRITE 0 +#define I2C_DIRN_READ 1 + +#define SMBUS_STATUS_REG_OFF (SMBUS_MAST_CORE_ADDR_BASE + 0x204) + +#define STA_DMA_TERM BIT(7) +#define STA_DMA_REQ BIT(6) +#define STA_THRESHOLD BIT(2) +#define STA_BUF_FULL BIT(1) +#define STA_BUF_EMPTY BIT(0) + +#define SMBUS_INTR_STAT_REG_OFF (SMBUS_MAST_CORE_ADDR_BASE + 0x208) + +#define INTR_STAT_DMA_TERM BIT(7) +#define INTR_STAT_THRESHOLD BIT(2) +#define INTR_STAT_BUF_FULL BIT(1) +#define INTR_STAT_BUF_EMPTY BIT(0) + +#define SMBUS_INTR_MSK_REG_OFF (SMBUS_MAST_CORE_ADDR_BASE + 0x20C) + +#define INTR_MSK_DMA_TERM BIT(7) +#define INTR_MSK_THRESHOLD BIT(2) +#define INTR_MSK_BUF_FULL BIT(1) +#define INTR_MSK_BUF_EMPTY BIT(0) + +#define ALL_NW_LAYER_INTERRUPTS \ + (INTR_MSK_DMA_TERM | INTR_MSK_THRESHOLD | INTR_MSK_BUF_FULL | \ + INTR_MSK_BUF_EMPTY) + +#define SMBUS_MCU_COUNTER_REG_OFF (SMBUS_MAST_CORE_ADDR_BASE + 0x214) + +#define SMBALERT_MST_PAD_CTRL_REG_OFF (SMBUS_MAST_CORE_ADDR_BASE + 0x230) + +#define SMBALERT_MST_PU BIT(0) + +#define SMBUS_GEN_INT_STAT_REG_OFF (SMBUS_MAST_CORE_ADDR_BASE + 0x23C) + +#define SMBUS_GEN_INT_MASK_REG_OFF (SMBUS_MAST_CORE_ADDR_BASE + 0x240) + +#define SMBALERT_INTR_MASK BIT(10) +#define I2C_BUF_MSTR_INTR_MASK BIT(9) +#define I2C_INTR_MASK BIT(8) +#define SMBALERT_WAKE_INTR_MASK BIT(2) +#define I2C_BUF_MSTR_WAKE_INTR_MASK BIT(1) +#define I2C_WAKE_INTR_MASK BIT(0) + +#define ALL_HIGH_LAYER_INTR \ + (SMBALERT_INTR_MASK | I2C_BUF_MSTR_INTR_MASK | I2C_INTR_MASK | \ + SMBALERT_WAKE_INTR_MASK | I2C_BUF_MSTR_WAKE_INTR_MASK | \ + I2C_WAKE_INTR_MASK) + +#define SMBUS_RESET_REG (SMBUS_MAST_CORE_ADDR_BASE + 0x248) + +#define PERI_SMBUS_D3_RESET_DIS BIT(16) + +#define SMBUS_MST_BUF (SMBUS_MAST_CORE_ADDR_BASE + 0x280) + +#define SMBUS_BUF_MAX_SIZE 0x80 + +#define I2C_FLAGS_DIRECT_MODE BIT(7) +#define I2C_FLAGS_POLLING_MODE BIT(6) +#define I2C_FLAGS_STOP BIT(5) +#define I2C_FLAGS_SMB_BLK_READ BIT(4) + +#define PCI1XXXX_I2C_TIMEOUT_MS 1000 + +/* General Purpose Register. */ +#define SMB_GPR_REG (SMBUS_MAST_CORE_ADDR_BASE + 0x1000 + 0x0c00 + \ + 0x00) + +/* Lock Register. */ +#define SMB_GPR_LOCK_REG (SMBUS_MAST_CORE_ADDR_BASE + 0x1000 + 0x0000 + \ + 0x00A0) + +#define SMBUS_PERI_LOCK BIT(3) + +struct pci1xxxx_i2c { + struct completion i2c_xfer_done; + bool i2c_xfer_in_progress; + struct i2c_adapter adap; + void __iomem *i2c_base; + u32 freq; + u32 flags; +}; + +static int set_sys_lock(struct pci1xxxx_i2c *i2c) +{ + void __iomem *p = i2c->i2c_base + SMB_GPR_LOCK_REG; + u8 data; + + writel(SMBUS_PERI_LOCK, p); + data = readl(p); + if (data != SMBUS_PERI_LOCK) + return -EPERM; + + return 0; +} + +static int release_sys_lock(struct pci1xxxx_i2c *i2c) +{ + void __iomem *p = i2c->i2c_base + SMB_GPR_LOCK_REG; + u8 data; + + data = readl(p); + if (data != SMBUS_PERI_LOCK) + return 0; + + writel(0, p); + data = readl(p); + if (data & SMBUS_PERI_LOCK) + return -EPERM; + + return 0; +} + +static void pci1xxxx_ack_high_level_intr(struct pci1xxxx_i2c *i2c, u16 intr_msk) +{ + writew(intr_msk, i2c->i2c_base + SMBUS_GEN_INT_STAT_REG_OFF); +} + +static void pci1xxxx_i2c_configure_smbalert_pin(struct pci1xxxx_i2c *i2c, + bool enable) +{ + void __iomem *p = i2c->i2c_base + SMBALERT_MST_PAD_CTRL_REG_OFF; + u8 regval; + + regval = readb(p); + + if (enable) + regval |= SMBALERT_MST_PU; + else + regval &= ~SMBALERT_MST_PU; + + writeb(regval, p); +} + +static void pci1xxxx_i2c_send_start_stop(struct pci1xxxx_i2c *i2c, bool start) +{ + void __iomem *p = i2c->i2c_base + SMB_CORE_CMD_REG_OFF1; + u8 regval; + + regval = readb(p); + + if (start) + regval |= SMB_CORE_CMD_START; + else + regval |= SMB_CORE_CMD_STOP; + + writeb(regval, p); +} + +/* + * When accessing the core control reg, we should not do a read modified write + * as they are write '1' to clear bits. Instead we need to write with the + * specific bits that needs to be set. + */ +static void pci1xxxx_i2c_set_clear_FW_ACK(struct pci1xxxx_i2c *i2c, bool set) +{ + u8 regval; + + if (set) + regval = SMB_CORE_CTRL_FW_ACK | SMB_CORE_CTRL_ESO | SMB_CORE_CTRL_ACK; + else + regval = SMB_CORE_CTRL_ESO | SMB_CORE_CTRL_ACK; + + writeb(regval, i2c->i2c_base + SMB_CORE_CTRL_REG_OFF); +} + +static void pci1xxxx_i2c_buffer_write(struct pci1xxxx_i2c *i2c, u8 slaveaddr, + u8 transferlen, unsigned char *buf) +{ + void __iomem *p = i2c->i2c_base + SMBUS_MST_BUF; + + if (slaveaddr) + writeb(slaveaddr, p++); + + if (buf) + memcpy_toio(p, buf, transferlen); +} + +/* + * When accessing the core control reg, we should not do a read modified write + * as there are write '1' to clear bits. Instead we need to write with the + * specific bits that needs to be set. + */ +static void pci1xxxx_i2c_enable_ESO(struct pci1xxxx_i2c *i2c) +{ + writeb(SMB_CORE_CTRL_ESO, i2c->i2c_base + SMB_CORE_CTRL_REG_OFF); +} + +static void pci1xxxx_i2c_reset_counters(struct pci1xxxx_i2c *i2c) +{ + void __iomem *p = i2c->i2c_base + SMBUS_CONTROL_REG_OFF; + u8 regval; + + regval = readb(p); + regval |= CTL_RESET_COUNTERS; + writeb(regval, p); +} + +static void pci1xxxx_i2c_set_transfer_dir(struct pci1xxxx_i2c *i2c, u8 direction) +{ + void __iomem *p = i2c->i2c_base + SMBUS_CONTROL_REG_OFF; + u8 regval; + + regval = readb(p); + if (direction == I2C_DIRN_WRITE) + regval &= ~CTL_TRANSFER_DIR; + else + regval |= CTL_TRANSFER_DIR; + + writeb(regval, p); +} + +static void pci1xxxx_i2c_set_mcu_count(struct pci1xxxx_i2c *i2c, u8 count) +{ + writeb(count, i2c->i2c_base + SMBUS_MCU_COUNTER_REG_OFF); +} + +static void pci1xxxx_i2c_set_read_count(struct pci1xxxx_i2c *i2c, u8 readcount) +{ + writeb(readcount, i2c->i2c_base + SMB_CORE_CMD_REG_OFF3); +} + +static void pci1xxxx_i2c_set_write_count(struct pci1xxxx_i2c *i2c, u8 writecount) +{ + writeb(writecount, i2c->i2c_base + SMB_CORE_CMD_REG_OFF2); +} + +static void pci1xxxx_i2c_set_DMA_run(struct pci1xxxx_i2c *i2c) +{ + void __iomem *p = i2c->i2c_base + SMBUS_CONTROL_REG_OFF; + u8 regval; + + regval = readb(p); + regval |= CTL_RUN; + writeb(regval, p); +} + +static void pci1xxxx_i2c_set_mrun_proceed(struct pci1xxxx_i2c *i2c) +{ + void __iomem *p = i2c->i2c_base + SMB_CORE_CMD_REG_OFF0; + u8 regval; + + regval = readb(p); + regval |= SMB_CORE_CMD_M_RUN; + regval |= SMB_CORE_CMD_M_PROCEED; + writeb(regval, p); +} + +static void pci1xxxx_i2c_start_DMA(struct pci1xxxx_i2c *i2c) +{ + pci1xxxx_i2c_set_DMA_run(i2c); + pci1xxxx_i2c_set_mrun_proceed(i2c); +} + +static void pci1xxxx_i2c_config_asr(struct pci1xxxx_i2c *i2c, bool enable) +{ + void __iomem *p = i2c->i2c_base + SMB_CORE_CONFIG_REG1; + u8 regval; + + regval = readb(p); + if (enable) + regval |= SMB_CONFIG1_ASR; + else + regval &= ~SMB_CONFIG1_ASR; + writeb(regval, p); +} + +static irqreturn_t pci1xxxx_i2c_isr(int irq, void *dev) +{ + struct pci1xxxx_i2c *i2c = dev; + void __iomem *p1 = i2c->i2c_base + SMBUS_GEN_INT_STAT_REG_OFF; + void __iomem *p2 = i2c->i2c_base + SMBUS_INTR_STAT_REG_OFF; + irqreturn_t intr_handled = IRQ_NONE; + u16 reg1; + u8 reg3; + + /* + * Read the SMBus interrupt status register to see if the + * DMA_TERM interrupt has caused this callback. + */ + reg1 = readw(p1); + + if (reg1 & I2C_BUF_MSTR_INTR_MASK) { + reg3 = readb(p2); + if (reg3 & INTR_STAT_DMA_TERM) { + complete(&i2c->i2c_xfer_done); + intr_handled = IRQ_HANDLED; + writeb(INTR_STAT_DMA_TERM, p2); + } + pci1xxxx_ack_high_level_intr(i2c, I2C_BUF_MSTR_INTR_MASK); + } + + if (reg1 & SMBALERT_INTR_MASK) { + intr_handled = IRQ_HANDLED; + pci1xxxx_ack_high_level_intr(i2c, SMBALERT_INTR_MASK); + } + + return intr_handled; +} + +static void pci1xxxx_i2c_set_count(struct pci1xxxx_i2c *i2c, u8 mcucount, + u8 writecount, u8 readcount) +{ + pci1xxxx_i2c_set_mcu_count(i2c, mcucount); + pci1xxxx_i2c_set_write_count(i2c, writecount); + pci1xxxx_i2c_set_read_count(i2c, readcount); +} + +static void pci1xxxx_i2c_set_readm(struct pci1xxxx_i2c *i2c, bool enable) +{ + void __iomem *p = i2c->i2c_base + SMB_CORE_CMD_REG_OFF1; + u8 regval; + + regval = readb(p); + if (enable) + regval |= SMB_CORE_CMD_READM; + else + regval &= ~SMB_CORE_CMD_READM; + + writeb(regval, p); +} + +static void pci1xxxx_ack_nw_layer_intr(struct pci1xxxx_i2c *i2c, u8 ack_intr_msk) +{ + writeb(ack_intr_msk, i2c->i2c_base + SMBUS_INTR_STAT_REG_OFF); +} + +static void pci1xxxx_config_nw_layer_intr(struct pci1xxxx_i2c *i2c, + u8 intr_msk, bool enable) +{ + void __iomem *p = i2c->i2c_base + SMBUS_INTR_MSK_REG_OFF; + u8 regval; + + regval = readb(p); + if (enable) + regval &= ~intr_msk; + else + regval |= intr_msk; + + writeb(regval, p); +} + +static void pci1xxxx_i2c_config_padctrl(struct pci1xxxx_i2c *i2c, bool enable) +{ + void __iomem *p1 = i2c->i2c_base + I2C_SCL_PAD_CTRL_REG_OFF; + void __iomem *p2 = i2c->i2c_base + I2C_SDA_PAD_CTRL_REG_OFF; + u8 regval; + + regval = readb(p1); + if (enable) + regval |= I2C_INPUT_EN | I2C_OUTPUT_EN; + else + regval &= ~(I2C_INPUT_EN | I2C_OUTPUT_EN); + + writeb(regval, p1); + + regval = readb(p2); + if (enable) + regval |= I2C_INPUT_EN | I2C_OUTPUT_EN; + else + regval &= ~(I2C_INPUT_EN | I2C_OUTPUT_EN); + + writeb(regval, p2); +} + +static void pci1xxxx_i2c_set_mode(struct pci1xxxx_i2c *i2c) +{ + void __iomem *p = i2c->i2c_base + SMBUS_CONTROL_REG_OFF; + u8 regval; + + regval = readb(p); + if (i2c->flags & I2C_FLAGS_DIRECT_MODE) + regval &= ~CTL_HOST_FIFO_ENTRY; + else + regval |= CTL_HOST_FIFO_ENTRY; + + writeb(regval, p); +} + +static void pci1xxxx_i2c_config_high_level_intr(struct pci1xxxx_i2c *i2c, + u16 intr_msk, bool enable) +{ + void __iomem *p = i2c->i2c_base + SMBUS_GEN_INT_MASK_REG_OFF; + u16 regval; + + regval = readw(p); + if (enable) + regval &= ~intr_msk; + else + regval |= intr_msk; + writew(regval, p); +} + +static void pci1xxxx_i2c_configure_core_reg(struct pci1xxxx_i2c *i2c, bool enable) +{ + void __iomem *p1 = i2c->i2c_base + SMB_CORE_CONFIG_REG1; + void __iomem *p3 = i2c->i2c_base + SMB_CORE_CONFIG_REG3; + u8 reg1; + u8 reg3; + + reg1 = readb(p1); + reg3 = readb(p3); + if (enable) { + reg1 |= SMB_CONFIG1_ENAB | SMB_CONFIG1_FEN; + reg3 |= SMB_CONFIG3_ENMI | SMB_CONFIG3_ENIDI; + } else { + reg1 &= ~(SMB_CONFIG1_ENAB | SMB_CONFIG1_FEN); + reg3 &= ~(SMB_CONFIG3_ENMI | SMB_CONFIG3_ENIDI); + } + + writeb(reg1, p1); + writeb(reg3, p3); +} + +static void pci1xxxx_i2c_set_freq(struct pci1xxxx_i2c *i2c) +{ + void __iomem *bp = i2c->i2c_base; + void __iomem *p_idle_scaling = bp + SMB_CORE_IDLE_SCALING_REG_OFF; + void __iomem *p_data_timing = bp + SMB_CORE_DATA_TIMING_REG_OFF; + void __iomem *p_hold_time = bp + SMB_CORE_SR_HOLD_TIME_REG_OFF; + void __iomem *p_to_scaling = bp + SMB_CORE_TO_SCALING_REG_OFF; + void __iomem *p_clk_sync = bp + SMB_CORE_CLK_SYNC_REG_OFF; + void __iomem *p_clk_reg = bp + SMB_CORE_BUS_CLK_REG_OFF; + + switch (i2c->freq) { + case I2C_MAX_STANDARD_MODE_FREQ: + writeb(SR_HOLD_TIME_100K_TICKS, p_hold_time); + writel(SMB_IDLE_SCALING_100K, p_idle_scaling); + writew(BUS_CLK_100K, p_clk_reg); + writel(CLK_SYNC_100K, p_clk_sync); + writel(DATA_TIMING_100K, p_data_timing); + writel(TO_SCALING_100K, p_to_scaling); + break; + + case I2C_MAX_FAST_MODE_PLUS_FREQ: + writeb(SR_HOLD_TIME_1000K_TICKS, p_hold_time); + writel(SMB_IDLE_SCALING_1000K, p_idle_scaling); + writew(BUS_CLK_1000K, p_clk_reg); + writel(CLK_SYNC_1000K, p_clk_sync); + writel(DATA_TIMING_1000K, p_data_timing); + writel(TO_SCALING_1000K, p_to_scaling); + break; + + case I2C_MAX_FAST_MODE_FREQ: + default: + writeb(SR_HOLD_TIME_400K_TICKS, p_hold_time); + writel(SMB_IDLE_SCALING_400K, p_idle_scaling); + writew(BUS_CLK_400K, p_clk_reg); + writel(CLK_SYNC_400K, p_clk_sync); + writel(DATA_TIMING_400K, p_data_timing); + writel(TO_SCALING_400K, p_to_scaling); + break; + } +} + +static void pci1xxxx_i2c_init(struct pci1xxxx_i2c *i2c) +{ + void __iomem *p2 = i2c->i2c_base + SMBUS_STATUS_REG_OFF; + void __iomem *p1 = i2c->i2c_base + SMB_GPR_REG; + u8 regval; + u8 ret; + + ret = set_sys_lock(i2c); + if (ret == -EPERM) { + /* + * Configure I2C Fast Mode as default frequency if unable + * to acquire sys lock. + */ + regval = 0; + } else { + regval = readl(p1); + release_sys_lock(i2c); + } + + switch (regval) { + case 0: + i2c->freq = I2C_MAX_FAST_MODE_FREQ; + pci1xxxx_i2c_set_freq(i2c); + break; + case 1: + i2c->freq = I2C_MAX_STANDARD_MODE_FREQ; + pci1xxxx_i2c_set_freq(i2c); + break; + case 2: + i2c->freq = I2C_MAX_FAST_MODE_PLUS_FREQ; + pci1xxxx_i2c_set_freq(i2c); + break; + case 3: + default: + break; + } + + pci1xxxx_i2c_config_padctrl(i2c, true); + i2c->flags |= I2C_FLAGS_DIRECT_MODE; + pci1xxxx_i2c_set_mode(i2c); + + /* + * Added as a precaution since BUF_EMPTY in status register + * also trigered an Interrupt. + */ + writeb(STA_BUF_EMPTY, p2); + + /* Configure core I2c control registers. */ + pci1xxxx_i2c_configure_core_reg(i2c, true); + + /* + * Enable pull-up for the SMB alert pin which is just used for + * wakeup right now. + */ + pci1xxxx_i2c_configure_smbalert_pin(i2c, true); +} + +static void pci1xxxx_i2c_clear_flags(struct pci1xxxx_i2c *i2c) +{ + u8 regval; + + /* Reset the internal buffer counters. */ + pci1xxxx_i2c_reset_counters(i2c); + + /* Clear low level interrupts. */ + regval = COMPLETION_MNAKX | COMPLETION_IDLE | COMPLETION_MDONE; + writeb(regval, i2c->i2c_base + SMB_CORE_COMPLETION_REG_OFF3); + reinit_completion(&i2c->i2c_xfer_done); + pci1xxxx_ack_nw_layer_intr(i2c, ALL_NW_LAYER_INTERRUPTS); + pci1xxxx_ack_high_level_intr(i2c, ALL_HIGH_LAYER_INTR); +} + +static int pci1xxxx_i2c_read(struct pci1xxxx_i2c *i2c, u8 slaveaddr, + unsigned char *buf, u16 total_len) +{ + void __iomem *p2 = i2c->i2c_base + SMB_CORE_COMPLETION_REG_OFF3; + void __iomem *p1 = i2c->i2c_base + SMB_CORE_CMD_REG_OFF1; + void __iomem *p3 = i2c->i2c_base + SMBUS_MST_BUF; + unsigned long time_left; + u16 remainingbytes; + u8 transferlen; + int retval = 0; + u8 read_count; + u32 regval; + u16 count; + + /* Enable I2C host controller by setting the ESO bit in the CONTROL REG. */ + pci1xxxx_i2c_enable_ESO(i2c); + pci1xxxx_i2c_clear_flags(i2c); + pci1xxxx_config_nw_layer_intr(i2c, INTR_MSK_DMA_TERM, true); + pci1xxxx_i2c_config_high_level_intr(i2c, I2C_BUF_MSTR_INTR_MASK, true); + + /* + * The I2C transfer could be more than 128 bytes. Our Core is + * capable of only sending 128 at a time. + * As far as the I2C read is concerned, initailly send the + * read slave address along with the number of bytes to read in + * ReadCount. After sending the slave address the interrupt + * is generated. On seeing the ACK for the slave address, reverse the + * buffer direction and run the DMA to initiate Read from slave. + */ + for (count = 0; count < total_len; count += transferlen) { + + /* + * Before start of any transaction clear the existing + * START/STOP conditions. + */ + writeb(0, p1); + remainingbytes = total_len - count; + transferlen = min_t(u16, remainingbytes, SMBUS_BUF_MAX_SIZE); + + /* + * Send STOP bit for the last chunk in the transaction. + * For I2C read transaction of more than BUF_SIZE, NACK should + * only be sent for the last read. + * Hence a bit FW_ACK is set for all the read chunks except for + * the last chunk. For the last chunk NACK should be sent and + * FW_ACK is cleared Send STOP only when I2C_FLAGS_STOP bit is + * set in the flags and only for the last transaction. + */ + if ((count + transferlen >= total_len) && + (i2c->flags & I2C_FLAGS_STOP)) { + pci1xxxx_i2c_set_clear_FW_ACK(i2c, false); + pci1xxxx_i2c_send_start_stop(i2c, 0); + } else { + pci1xxxx_i2c_set_clear_FW_ACK(i2c, true); + } + + /* Send START bit for the first transaction. */ + if (count == 0) { + pci1xxxx_i2c_set_transfer_dir(i2c, I2C_DIRN_WRITE); + pci1xxxx_i2c_send_start_stop(i2c, 1); + + /* Write I2c buffer with just the slave addr. */ + pci1xxxx_i2c_buffer_write(i2c, slaveaddr, 0, NULL); + + /* Set the count. Readcount is the transfer bytes. */ + pci1xxxx_i2c_set_count(i2c, 1, 1, transferlen); + + /* + * Set the Auto_start_read bit so that the HW itself + * will take care of the read phase. + */ + pci1xxxx_i2c_config_asr(i2c, true); + if (i2c->flags & I2C_FLAGS_SMB_BLK_READ) + pci1xxxx_i2c_set_readm(i2c, true); + } else { + pci1xxxx_i2c_set_count(i2c, 0, 0, transferlen); + pci1xxxx_i2c_config_asr(i2c, false); + pci1xxxx_i2c_clear_flags(i2c); + pci1xxxx_i2c_set_transfer_dir(i2c, I2C_DIRN_READ); + } + + /* Start the DMA. */ + pci1xxxx_i2c_start_DMA(i2c); + + /* Wait for the DMA_TERM interrupt. */ + time_left = wait_for_completion_timeout(&i2c->i2c_xfer_done, + msecs_to_jiffies(PCI1XXXX_I2C_TIMEOUT_MS)); + if (time_left == 0) { + /* Reset the I2C core to release the bus lock. */ + pci1xxxx_i2c_init(i2c); + retval = -ETIMEDOUT; + goto cleanup; + } + + /* Read the completion reg to know the reason for DMA_TERM. */ + regval = readb(p2); + + /* Slave did not respond. */ + if (regval & COMPLETION_MNAKX) { + writeb(COMPLETION_MNAKX, p2); + retval = -ETIMEDOUT; + goto cleanup; + } + + if (i2c->flags & I2C_FLAGS_SMB_BLK_READ) { + buf[0] = readb(p3); + read_count = buf[0]; + memcpy_fromio(&buf[1], p3 + 1, read_count); + } else { + memcpy_fromio(&buf[count], p3, transferlen); + } + } + +cleanup: + /* Disable all the interrupts. */ + pci1xxxx_config_nw_layer_intr(i2c, INTR_MSK_DMA_TERM, false); + pci1xxxx_i2c_config_high_level_intr(i2c, I2C_BUF_MSTR_INTR_MASK, false); + pci1xxxx_i2c_config_asr(i2c, false); + return retval; +} + +static int pci1xxxx_i2c_write(struct pci1xxxx_i2c *i2c, u8 slaveaddr, + unsigned char *buf, u16 total_len) +{ + void __iomem *p2 = i2c->i2c_base + SMB_CORE_COMPLETION_REG_OFF3; + void __iomem *p1 = i2c->i2c_base + SMB_CORE_CMD_REG_OFF1; + unsigned long time_left; + u16 remainingbytes; + u8 actualwritelen; + u8 transferlen; + int retval = 0; + u32 regval; + u16 count; + + /* Enable I2C host controller by setting the ESO bit in the CONTROL REG. */ + pci1xxxx_i2c_enable_ESO(i2c); + + /* Set the Buffer direction. */ + pci1xxxx_i2c_set_transfer_dir(i2c, I2C_DIRN_WRITE); + pci1xxxx_config_nw_layer_intr(i2c, INTR_MSK_DMA_TERM, true); + pci1xxxx_i2c_config_high_level_intr(i2c, I2C_BUF_MSTR_INTR_MASK, true); + + /* + * The i2c transfer could be more than 128 bytes. Our Core is + * capable of only sending 128 at a time. + */ + for (count = 0; count < total_len; count += transferlen) { + /* + * Before start of any transaction clear the existing + * START/STOP conditions. + */ + writeb(0, p1); + pci1xxxx_i2c_clear_flags(i2c); + remainingbytes = total_len - count; + + /* If it is the starting of the transaction send START. */ + if (count == 0) { + pci1xxxx_i2c_send_start_stop(i2c, 1); + + /* -1 for the slave address. */ + transferlen = min_t(u16, SMBUS_BUF_MAX_SIZE - 1, + remainingbytes); + pci1xxxx_i2c_buffer_write(i2c, slaveaddr, + transferlen, &buf[count]); + /* + * The actual number of bytes written on the I2C bus + * is including the slave address. + */ + actualwritelen = transferlen + 1; + } else { + transferlen = min_t(u16, SMBUS_BUF_MAX_SIZE, remainingbytes); + pci1xxxx_i2c_buffer_write(i2c, 0, transferlen, &buf[count]); + actualwritelen = transferlen; + } + + pci1xxxx_i2c_set_count(i2c, actualwritelen, actualwritelen, 0); + + /* + * Send STOP only when I2C_FLAGS_STOP bit is set in the flags and + * only for the last transaction. + */ + if (remainingbytes <= transferlen && + (i2c->flags & I2C_FLAGS_STOP)) + pci1xxxx_i2c_send_start_stop(i2c, 0); + + pci1xxxx_i2c_start_DMA(i2c); + + /* + * Wait for the DMA_TERM interrupt. + */ + time_left = wait_for_completion_timeout(&i2c->i2c_xfer_done, + msecs_to_jiffies(PCI1XXXX_I2C_TIMEOUT_MS)); + if (time_left == 0) { + /* Reset the I2C core to release the bus lock. */ + pci1xxxx_i2c_init(i2c); + retval = -ETIMEDOUT; + goto cleanup; + } + + regval = readb(p2); + if (regval & COMPLETION_MNAKX) { + writeb(COMPLETION_MNAKX, p2); + retval = -ETIMEDOUT; + goto cleanup; + } + } +cleanup: + /* Disable all the interrupts. */ + pci1xxxx_config_nw_layer_intr(i2c, INTR_MSK_DMA_TERM, false); + pci1xxxx_i2c_config_high_level_intr(i2c, I2C_BUF_MSTR_INTR_MASK, false); + + return retval; +} + +static int pci1xxxx_i2c_xfer(struct i2c_adapter *adap, + struct i2c_msg *msgs, int num) +{ + struct pci1xxxx_i2c *i2c = i2c_get_adapdata(adap); + u8 slaveaddr; + int retval; + u32 i; + + i2c->i2c_xfer_in_progress = true; + for (i = 0; i < num; i++) { + slaveaddr = i2c_8bit_addr_from_msg(&msgs[i]); + + /* + * Send the STOP bit if the transfer is the final one or + * if the I2C_M_STOP flag is set. + */ + if ((i == num - 1) || (msgs[i].flags & I2C_M_STOP)) + i2c->flags |= I2C_FLAGS_STOP; + else + i2c->flags &= ~I2C_FLAGS_STOP; + + if (msgs[i].flags & I2C_M_RECV_LEN) + i2c->flags |= I2C_FLAGS_SMB_BLK_READ; + else + i2c->flags &= ~I2C_FLAGS_SMB_BLK_READ; + + if (msgs[i].flags & I2C_M_RD) + retval = pci1xxxx_i2c_read(i2c, slaveaddr, + msgs[i].buf, msgs[i].len); + else + retval = pci1xxxx_i2c_write(i2c, slaveaddr, + msgs[i].buf, msgs[i].len); + + if (retval < 0) + break; + } + i2c->i2c_xfer_in_progress = false; + + if (retval < 0) + return retval; + + return num; +} + +/* + * List of supported functions by the driver. + */ +static u32 pci1xxxx_i2c_get_funcs(struct i2c_adapter *adap) +{ + return I2C_FUNC_I2C | I2C_FUNC_PROTOCOL_MANGLING | + I2C_FUNC_SMBUS_BLOCK_PROC_CALL | + I2C_FUNC_SMBUS_BYTE | + I2C_FUNC_SMBUS_BYTE_DATA | + I2C_FUNC_SMBUS_WORD_DATA | + I2C_FUNC_SMBUS_PROC_CALL | + I2C_FUNC_SMBUS_BLOCK_DATA; +} + +static const struct i2c_algorithm pci1xxxx_i2c_algo = { + .master_xfer = pci1xxxx_i2c_xfer, + .functionality = pci1xxxx_i2c_get_funcs, +}; + +static const struct i2c_adapter_quirks pci1xxxx_i2c_quirks = { + .flags = I2C_AQ_NO_ZERO_LEN, +}; + +static const struct i2c_adapter pci1xxxx_i2c_ops = { + .owner = THIS_MODULE, + .name = "PCI1xxxx I2C Adapter", + .algo = &pci1xxxx_i2c_algo, + .quirks = &pci1xxxx_i2c_quirks, +}; + +static int pci1xxxx_i2c_suspend(struct device *dev) +{ + struct pci1xxxx_i2c *i2c = dev_get_drvdata(dev); + void __iomem *p = i2c->i2c_base + SMBUS_RESET_REG; + struct pci_dev *pdev = to_pci_dev(dev); + u32 regval; + + i2c_mark_adapter_suspended(&i2c->adap); + + /* + * If the system is put into 'suspend' state when the I2C transfer is in + * progress, wait until the transfer completes. + */ + while (i2c->i2c_xfer_in_progress) + msleep(20); + + pci1xxxx_i2c_config_high_level_intr(i2c, SMBALERT_WAKE_INTR_MASK, true); + + /* + * Enable the PERST_DIS bit to mask the PERST from resetting the core + * registers. + */ + regval = readl(p); + regval |= PERI_SMBUS_D3_RESET_DIS; + writel(regval, p); + + /* Enable PCI wake in the PMCSR register. */ + device_set_wakeup_enable(dev, true); + pci_wake_from_d3(pdev, true); + + return 0; +} + +static int pci1xxxx_i2c_resume(struct device *dev) +{ + struct pci1xxxx_i2c *i2c = dev_get_drvdata(dev); + void __iomem *p1 = i2c->i2c_base + SMBUS_GEN_INT_STAT_REG_OFF; + void __iomem *p2 = i2c->i2c_base + SMBUS_RESET_REG; + struct pci_dev *pdev = to_pci_dev(dev); + u32 regval; + + regval = readw(p1); + writew(regval, p1); + pci1xxxx_i2c_config_high_level_intr(i2c, SMBALERT_WAKE_INTR_MASK, false); + regval = readl(p2); + regval &= ~PERI_SMBUS_D3_RESET_DIS; + writel(regval, p2); + i2c_mark_adapter_resumed(&i2c->adap); + pci_wake_from_d3(pdev, false); + return 0; +} + +static DEFINE_SIMPLE_DEV_PM_OPS(pci1xxxx_i2c_pm_ops, pci1xxxx_i2c_suspend, + pci1xxxx_i2c_resume); + +static void pci1xxxx_i2c_shutdown(struct pci1xxxx_i2c *i2c) +{ + pci1xxxx_i2c_config_padctrl(i2c, false); + pci1xxxx_i2c_configure_core_reg(i2c, false); +} + +static int pci1xxxx_i2c_probe_pci(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + struct device *dev = &pdev->dev; + struct pci1xxxx_i2c *i2c; + int ret; + + i2c = devm_kzalloc(dev, sizeof(*i2c), GFP_KERNEL); + if (!i2c) + return -ENOMEM; + + pci_set_drvdata(pdev, i2c); + i2c->i2c_xfer_in_progress = false; + + ret = pcim_enable_device(pdev); + if (ret) + return ret; + + pci_set_master(pdev); + + /* + * We are getting the base address of the SMB core. SMB core uses + * BAR0 and size is 32K. + */ + ret = pcim_iomap_regions(pdev, BIT(0), pci_name(pdev)); + if (ret < 0) + return ret; + + i2c->i2c_base = pcim_iomap_table(pdev)[0]; + init_completion(&i2c->i2c_xfer_done); + pci1xxxx_i2c_init(i2c); + + ret = devm_add_action(dev, (void (*)(void *))pci1xxxx_i2c_shutdown, i2c); + if (ret) + return ret; + + ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES); + if (ret < 0) + return ret; + + ret = devm_request_irq(dev, pci_irq_vector(pdev, 0), pci1xxxx_i2c_isr, + 0, pci_name(pdev), i2c); + if (ret) + return ret; + + i2c->adap = pci1xxxx_i2c_ops; + i2c->adap.dev.parent = dev; + + snprintf(i2c->adap.name, sizeof(i2c->adap.name), + "MCHP PCI1xxxx i2c adapter at %s", pci_name(pdev)); + + i2c_set_adapdata(&i2c->adap, i2c); + + ret = devm_i2c_add_adapter(dev, &i2c->adap); + if (ret) + return dev_err_probe(dev, ret, "i2c add adapter failed\n"); + + return 0; +} + +static const struct pci_device_id pci1xxxx_i2c_pci_id_table[] = { + { PCI_VDEVICE(EFAR, 0xA003) }, + { PCI_VDEVICE(EFAR, 0xA013) }, + { PCI_VDEVICE(EFAR, 0xA023) }, + { PCI_VDEVICE(EFAR, 0xA033) }, + { PCI_VDEVICE(EFAR, 0xA043) }, + { } +}; +MODULE_DEVICE_TABLE(pci, pci1xxxx_i2c_pci_id_table); + +static struct pci_driver pci1xxxx_i2c_pci_driver = { + .name = "i2c-mchp-pci1xxxx", + .id_table = pci1xxxx_i2c_pci_id_table, + .probe = pci1xxxx_i2c_probe_pci, + .driver = { + .pm = pm_sleep_ptr(&pci1xxxx_i2c_pm_ops), + }, +}; +module_pci_driver(pci1xxxx_i2c_pci_driver); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Tharun Kumar P<tharunkumar.pasumarthi@microchip.com>"); +MODULE_AUTHOR("Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com>"); +MODULE_DESCRIPTION("Microchip Technology Inc. pci1xxxx I2C bus driver"); diff --git a/drivers/i2c/busses/i2c-mlxbf.c b/drivers/i2c/busses/i2c-mlxbf.c index 60908c5737f1..e68e775f187e 100644 --- a/drivers/i2c/busses/i2c-mlxbf.c +++ b/drivers/i2c/busses/i2c-mlxbf.c @@ -32,8 +32,6 @@ (MLXBF_I2C_FUNC_SMBUS_DEFAULT | MLXBF_I2C_FUNC_SMBUS_BLOCK | \ I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SLAVE) -#define MLXBF_I2C_SMBUS_MAX 3 - /* Shared resources info in BlueField platforms. */ #define MLXBF_I2C_COALESCE_TYU_ADDR 0x02801300 @@ -48,6 +46,9 @@ #define MLXBF_I2C_COREPLL_YU_ADDR 0x02800c30 #define MLXBF_I2C_COREPLL_YU_SIZE 0x00c +#define MLXBF_I2C_COREPLL_RSH_YU_ADDR 0x13409824 +#define MLXBF_I2C_COREPLL_RSH_YU_SIZE 0x00c + #define MLXBF_I2C_SHARED_RES_MAX 3 /* @@ -131,14 +132,10 @@ /* Slave busy bit reset. */ #define MLXBF_I2C_CAUSE_S_GW_BUSY_FALL BIT(18) -#define MLXBF_I2C_CAUSE_SLAVE_ARBITER_BITS_MASK GENMASK(20, 0) - /* Cause coalesce registers. */ #define MLXBF_I2C_CAUSE_COALESCE_0 0x00 -#define MLXBF_I2C_CAUSE_COALESCE_1 0x04 -#define MLXBF_I2C_CAUSE_COALESCE_2 0x08 -#define MLXBF_I2C_CAUSE_TYU_SLAVE_BIT MLXBF_I2C_SMBUS_MAX +#define MLXBF_I2C_CAUSE_TYU_SLAVE_BIT 3 #define MLXBF_I2C_CAUSE_YU_SLAVE_BIT 1 /* Functional enable register. */ @@ -165,15 +162,6 @@ #define MLXBF_I2C_GPIO_SMBUS_GW_ASSERT_PINS(num, val) \ ((val) | (0x3 << MLXBF_I2C_GPIO_SMBUS_GW_PINS(num))) -/* SMBus timing parameters. */ -#define MLXBF_I2C_SMBUS_TIMER_SCL_LOW_SCL_HIGH 0x00 -#define MLXBF_I2C_SMBUS_TIMER_FALL_RISE_SPIKE 0x04 -#define MLXBF_I2C_SMBUS_TIMER_THOLD 0x08 -#define MLXBF_I2C_SMBUS_TIMER_TSETUP_START_STOP 0x0c -#define MLXBF_I2C_SMBUS_TIMER_TSETUP_DATA 0x10 -#define MLXBF_I2C_SMBUS_THIGH_MAX_TBUF 0x14 -#define MLXBF_I2C_SMBUS_SCL_LOW_TIMEOUT 0x18 - /* * Defines SMBus operating frequency and core clock frequency. * According to ADB files, default values are compliant to 100KHz SMBus @@ -192,26 +180,37 @@ #define MLXBF_I2C_COREPLL_CORE_OD_YU_MASK GENMASK(3, 0) #define MLXBF_I2C_COREPLL_CORE_R_YU_MASK GENMASK(31, 26) +/* SMBus timing parameters. */ +#define MLXBF_I2C_SMBUS_TIMER_SCL_LOW_SCL_HIGH 0x00 +#define MLXBF_I2C_SMBUS_TIMER_FALL_RISE_SPIKE 0x04 +#define MLXBF_I2C_SMBUS_TIMER_THOLD 0x08 +#define MLXBF_I2C_SMBUS_TIMER_TSETUP_START_STOP 0x0c +#define MLXBF_I2C_SMBUS_TIMER_TSETUP_DATA 0x10 +#define MLXBF_I2C_SMBUS_THIGH_MAX_TBUF 0x14 +#define MLXBF_I2C_SMBUS_SCL_LOW_TIMEOUT 0x18 -/* Core PLL frequency. */ -static u64 mlxbf_i2c_corepll_frequency; +#define MLXBF_I2C_SHIFT_0 0 +#define MLXBF_I2C_SHIFT_8 8 +#define MLXBF_I2C_SHIFT_16 16 +#define MLXBF_I2C_SHIFT_24 24 + +#define MLXBF_I2C_MASK_8 GENMASK(7, 0) +#define MLXBF_I2C_MASK_16 GENMASK(15, 0) + +#define MLXBF_I2C_MST_ADDR_OFFSET 0x200 /* SMBus Master GW. */ -#define MLXBF_I2C_SMBUS_MASTER_GW 0x200 +#define MLXBF_I2C_SMBUS_MASTER_GW 0x0 /* Number of bytes received and sent. */ -#define MLXBF_I2C_SMBUS_RS_BYTES 0x300 +#define MLXBF_I2C_YU_SMBUS_RS_BYTES 0x100 +#define MLXBF_I2C_RSH_YU_SMBUS_RS_BYTES 0x10c /* Packet error check (PEC) value. */ -#define MLXBF_I2C_SMBUS_MASTER_PEC 0x304 +#define MLXBF_I2C_SMBUS_MASTER_PEC 0x104 /* Status bits (ACK/NACK/FW Timeout). */ -#define MLXBF_I2C_SMBUS_MASTER_STATUS 0x308 +#define MLXBF_I2C_SMBUS_MASTER_STATUS 0x108 /* SMbus Master Finite State Machine. */ -#define MLXBF_I2C_SMBUS_MASTER_FSM 0x310 - -/* - * When enabled, the master will issue a stop condition in case of - * timeout while waiting for FW response. - */ -#define MLXBF_I2C_SMBUS_EN_FW_TIMEOUT 0x31c +#define MLXBF_I2C_YU_SMBUS_MASTER_FSM 0x110 +#define MLXBF_I2C_RSH_YU_SMBUS_MASTER_FSM 0x100 /* SMBus master GW control bits offset in MLXBF_I2C_SMBUS_MASTER_GW[31:3]. */ #define MLXBF_I2C_MASTER_LOCK_BIT BIT(31) /* Lock bit. */ @@ -231,14 +230,14 @@ static u64 mlxbf_i2c_corepll_frequency; #define MLXBF_I2C_MASTER_ENABLE_READ \ (MLXBF_I2C_MASTER_ENABLE | MLXBF_I2C_MASTER_CTL_READ_BIT) -#define MLXBF_I2C_MASTER_SLV_ADDR_SHIFT 12 /* Slave address shift. */ -#define MLXBF_I2C_MASTER_WRITE_SHIFT 21 /* Control write bytes shift. */ -#define MLXBF_I2C_MASTER_SEND_PEC_SHIFT 20 /* Send PEC byte shift. */ -#define MLXBF_I2C_MASTER_PARSE_EXP_SHIFT 11 /* Parse expected bytes shift. */ -#define MLXBF_I2C_MASTER_READ_SHIFT 4 /* Control read bytes shift. */ +#define MLXBF_I2C_MASTER_WRITE_SHIFT 21 /* Control write bytes */ +#define MLXBF_I2C_MASTER_SEND_PEC_SHIFT 20 /* Send PEC byte when set to 1 */ +#define MLXBF_I2C_MASTER_PARSE_EXP_SHIFT 11 /* Control parse expected bytes */ +#define MLXBF_I2C_MASTER_SLV_ADDR_SHIFT 12 /* Slave address */ +#define MLXBF_I2C_MASTER_READ_SHIFT 4 /* Control read bytes */ /* SMBus master GW Data descriptor. */ -#define MLXBF_I2C_MASTER_DATA_DESC_ADDR 0x280 +#define MLXBF_I2C_MASTER_DATA_DESC_ADDR 0x80 #define MLXBF_I2C_MASTER_DATA_DESC_SIZE 0x80 /* Size in bytes. */ /* Maximum bytes to read/write per SMBus transaction. */ @@ -264,19 +263,21 @@ static u64 mlxbf_i2c_corepll_frequency; #define MLXBF_I2C_SMBUS_MASTER_FSM_STOP_MASK BIT(31) #define MLXBF_I2C_SMBUS_MASTER_FSM_PS_STATE_MASK BIT(15) +#define MLXBF_I2C_SLV_ADDR_OFFSET 0x400 + /* SMBus slave GW. */ -#define MLXBF_I2C_SMBUS_SLAVE_GW 0x400 +#define MLXBF_I2C_SMBUS_SLAVE_GW 0x0 /* Number of bytes received and sent from/to master. */ -#define MLXBF_I2C_SMBUS_SLAVE_RS_MASTER_BYTES 0x500 +#define MLXBF_I2C_SMBUS_SLAVE_RS_MASTER_BYTES 0x100 /* Packet error check (PEC) value. */ -#define MLXBF_I2C_SMBUS_SLAVE_PEC 0x504 +#define MLXBF_I2C_SMBUS_SLAVE_PEC 0x104 /* SMBus slave Finite State Machine (FSM). */ -#define MLXBF_I2C_SMBUS_SLAVE_FSM 0x510 +#define MLXBF_I2C_SMBUS_SLAVE_FSM 0x110 /* * Should be set when all raised causes handled, and cleared by HW on * every new cause. */ -#define MLXBF_I2C_SMBUS_SLAVE_READY 0x52c +#define MLXBF_I2C_SMBUS_SLAVE_READY 0x12c /* SMBus slave GW control bits offset in MLXBF_I2C_SMBUS_SLAVE_GW[31:19]. */ #define MLXBF_I2C_SLAVE_BUSY_BIT BIT(30) /* Busy bit. */ @@ -289,23 +290,74 @@ static u64 mlxbf_i2c_corepll_frequency; #define MLXBF_I2C_SLAVE_SEND_PEC_SHIFT 21 /* Send PEC byte shift. */ /* SMBus slave GW Data descriptor. */ -#define MLXBF_I2C_SLAVE_DATA_DESC_ADDR 0x480 +#define MLXBF_I2C_SLAVE_DATA_DESC_ADDR 0x80 #define MLXBF_I2C_SLAVE_DATA_DESC_SIZE 0x80 /* Size in bytes. */ /* SMbus slave configuration registers. */ -#define MLXBF_I2C_SMBUS_SLAVE_ADDR_CFG 0x514 +#define MLXBF_I2C_SMBUS_SLAVE_ADDR_CFG 0x114 #define MLXBF_I2C_SMBUS_SLAVE_ADDR_CNT 16 -#define MLXBF_I2C_SMBUS_SLAVE_ADDR_EN_BIT 7 +#define MLXBF_I2C_SMBUS_SLAVE_ADDR_EN_BIT BIT(7) #define MLXBF_I2C_SMBUS_SLAVE_ADDR_MASK GENMASK(6, 0) -#define MLXBF_I2C_SLAVE_ADDR_ENABLED(addr) \ - ((addr) & (1 << MLXBF_I2C_SMBUS_SLAVE_ADDR_EN_BIT)) - /* * Timeout is given in microsends. Note also that timeout handling is not * exact. */ #define MLXBF_I2C_SMBUS_TIMEOUT (300 * 1000) /* 300ms */ +#define MLXBF_I2C_SMBUS_LOCK_POLL_TIMEOUT (300 * 1000) /* 300ms */ + +/* Polling frequency in microseconds. */ +#define MLXBF_I2C_POLL_FREQ_IN_USEC 200 + +#define MLXBF_I2C_SMBUS_OP_CNT_1 1 +#define MLXBF_I2C_SMBUS_OP_CNT_2 2 +#define MLXBF_I2C_SMBUS_OP_CNT_3 3 +#define MLXBF_I2C_SMBUS_MAX_OP_CNT MLXBF_I2C_SMBUS_OP_CNT_3 + +/* Helper macro to define an I2C resource parameters. */ +#define MLXBF_I2C_RES_PARAMS(addr, size, str) \ + { \ + .start = (addr), \ + .end = (addr) + (size) - 1, \ + .name = (str) \ + } + +enum { + MLXBF_I2C_TIMING_100KHZ = 100000, + MLXBF_I2C_TIMING_400KHZ = 400000, + MLXBF_I2C_TIMING_1000KHZ = 1000000, +}; + +enum { + MLXBF_I2C_F_READ = BIT(0), + MLXBF_I2C_F_WRITE = BIT(1), + MLXBF_I2C_F_NORESTART = BIT(3), + MLXBF_I2C_F_SMBUS_OPERATION = BIT(4), + MLXBF_I2C_F_SMBUS_BLOCK = BIT(5), + MLXBF_I2C_F_SMBUS_PEC = BIT(6), + MLXBF_I2C_F_SMBUS_PROCESS_CALL = BIT(7), +}; + +/* Mellanox BlueField chip type. */ +enum mlxbf_i2c_chip_type { + MLXBF_I2C_CHIP_TYPE_1, /* Mellanox BlueField-1 chip. */ + MLXBF_I2C_CHIP_TYPE_2, /* Mellanox BlueField-2 chip. */ + MLXBF_I2C_CHIP_TYPE_3 /* Mellanox BlueField-3 chip. */ +}; + +/* List of chip resources that are being accessed by the driver. */ +enum { + MLXBF_I2C_SMBUS_RES, + MLXBF_I2C_MST_CAUSE_RES, + MLXBF_I2C_SLV_CAUSE_RES, + MLXBF_I2C_COALESCE_RES, + MLXBF_I2C_SMBUS_TIMER_RES, + MLXBF_I2C_SMBUS_MST_RES, + MLXBF_I2C_SMBUS_SLV_RES, + MLXBF_I2C_COREPLL_RES, + MLXBF_I2C_GPIO_RES, + MLXBF_I2C_END_RES +}; /* Encapsulates timing parameters. */ struct mlxbf_i2c_timings { @@ -326,27 +378,12 @@ struct mlxbf_i2c_timings { u32 timeout; /* Detect clock low timeout. */ }; -enum { - MLXBF_I2C_F_READ = BIT(0), - MLXBF_I2C_F_WRITE = BIT(1), - MLXBF_I2C_F_NORESTART = BIT(3), - MLXBF_I2C_F_SMBUS_OPERATION = BIT(4), - MLXBF_I2C_F_SMBUS_BLOCK = BIT(5), - MLXBF_I2C_F_SMBUS_PEC = BIT(6), - MLXBF_I2C_F_SMBUS_PROCESS_CALL = BIT(7), -}; - struct mlxbf_i2c_smbus_operation { u32 flags; u32 length; /* Buffer length in bytes. */ u8 *buffer; }; -#define MLXBF_I2C_SMBUS_OP_CNT_1 1 -#define MLXBF_I2C_SMBUS_OP_CNT_2 2 -#define MLXBF_I2C_SMBUS_OP_CNT_3 3 -#define MLXBF_I2C_SMBUS_MAX_OP_CNT MLXBF_I2C_SMBUS_OP_CNT_3 - struct mlxbf_i2c_smbus_request { u8 slave; u8 operation_cnt; @@ -360,24 +397,38 @@ struct mlxbf_i2c_resource { u8 type; }; -/* List of chip resources that are being accessed by the driver. */ -enum { - MLXBF_I2C_SMBUS_RES, - MLXBF_I2C_MST_CAUSE_RES, - MLXBF_I2C_SLV_CAUSE_RES, - MLXBF_I2C_COALESCE_RES, - MLXBF_I2C_COREPLL_RES, - MLXBF_I2C_GPIO_RES, - MLXBF_I2C_END_RES, +struct mlxbf_i2c_chip_info { + enum mlxbf_i2c_chip_type type; + /* Chip shared resources that are being used by the I2C controller. */ + struct mlxbf_i2c_resource *shared_res[MLXBF_I2C_SHARED_RES_MAX]; + + /* Callback to calculate the core PLL frequency. */ + u64 (*calculate_freq)(struct mlxbf_i2c_resource *corepll_res); + + /* Registers' address offset */ + u32 smbus_master_rs_bytes_off; + u32 smbus_master_fsm_off; }; -/* Helper macro to define an I2C resource parameters. */ -#define MLXBF_I2C_RES_PARAMS(addr, size, str) \ - { \ - .start = (addr), \ - .end = (addr) + (size) - 1, \ - .name = (str) \ - } +struct mlxbf_i2c_priv { + const struct mlxbf_i2c_chip_info *chip; + struct i2c_adapter adap; + struct mlxbf_i2c_resource *smbus; + struct mlxbf_i2c_resource *timer; + struct mlxbf_i2c_resource *mst; + struct mlxbf_i2c_resource *slv; + struct mlxbf_i2c_resource *mst_cause; + struct mlxbf_i2c_resource *slv_cause; + struct mlxbf_i2c_resource *coalesce; + u64 frequency; /* Core frequency in Hz. */ + int bus; /* Physical bus identifier. */ + int irq; + struct i2c_client *slave[MLXBF_I2C_SMBUS_SLAVE_ADDR_CNT]; + u32 resource_version; +}; + +/* Core PLL frequency. */ +static u64 mlxbf_i2c_corepll_frequency; static struct resource mlxbf_i2c_coalesce_tyu_params = MLXBF_I2C_RES_PARAMS(MLXBF_I2C_COALESCE_TYU_ADDR, @@ -391,6 +442,10 @@ static struct resource mlxbf_i2c_corepll_yu_params = MLXBF_I2C_RES_PARAMS(MLXBF_I2C_COREPLL_YU_ADDR, MLXBF_I2C_COREPLL_YU_SIZE, "COREPLL_MEM"); +static struct resource mlxbf_i2c_corepll_rsh_yu_params = + MLXBF_I2C_RES_PARAMS(MLXBF_I2C_COREPLL_RSH_YU_ADDR, + MLXBF_I2C_COREPLL_RSH_YU_SIZE, + "COREPLL_MEM"); static struct resource mlxbf_i2c_gpio_tyu_params = MLXBF_I2C_RES_PARAMS(MLXBF_I2C_GPIO_TYU_ADDR, MLXBF_I2C_GPIO_TYU_SIZE, @@ -400,34 +455,6 @@ static struct mutex mlxbf_i2c_coalesce_lock; static struct mutex mlxbf_i2c_corepll_lock; static struct mutex mlxbf_i2c_gpio_lock; -/* Mellanox BlueField chip type. */ -enum mlxbf_i2c_chip_type { - MLXBF_I2C_CHIP_TYPE_1, /* Mellanox BlueField-1 chip. */ - MLXBF_I2C_CHIP_TYPE_2, /* Mallanox BlueField-2 chip. */ -}; - -struct mlxbf_i2c_chip_info { - enum mlxbf_i2c_chip_type type; - /* Chip shared resources that are being used by the I2C controller. */ - struct mlxbf_i2c_resource *shared_res[MLXBF_I2C_SHARED_RES_MAX]; - - /* Callback to calculate the core PLL frequency. */ - u64 (*calculate_freq)(struct mlxbf_i2c_resource *corepll_res); -}; - -struct mlxbf_i2c_priv { - const struct mlxbf_i2c_chip_info *chip; - struct i2c_adapter adap; - struct mlxbf_i2c_resource *smbus; - struct mlxbf_i2c_resource *mst_cause; - struct mlxbf_i2c_resource *slv_cause; - struct mlxbf_i2c_resource *coalesce; - u64 frequency; /* Core frequency in Hz. */ - int bus; /* Physical bus identifier. */ - int irq; - struct i2c_client *slave; -}; - static struct mlxbf_i2c_resource mlxbf_i2c_coalesce_res[] = { [MLXBF_I2C_CHIP_TYPE_1] = { .params = &mlxbf_i2c_coalesce_tyu_params, @@ -447,6 +474,11 @@ static struct mlxbf_i2c_resource mlxbf_i2c_corepll_res[] = { .params = &mlxbf_i2c_corepll_yu_params, .lock = &mlxbf_i2c_corepll_lock, .type = MLXBF_I2C_COREPLL_RES, + }, + [MLXBF_I2C_CHIP_TYPE_3] = { + .params = &mlxbf_i2c_corepll_rsh_yu_params, + .lock = &mlxbf_i2c_corepll_lock, + .type = MLXBF_I2C_COREPLL_RES, } }; @@ -463,24 +495,13 @@ static u8 mlxbf_i2c_bus_count; static struct mutex mlxbf_i2c_bus_lock; -/* Polling frequency in microseconds. */ -#define MLXBF_I2C_POLL_FREQ_IN_USEC 200 - -#define MLXBF_I2C_SHIFT_0 0 -#define MLXBF_I2C_SHIFT_8 8 -#define MLXBF_I2C_SHIFT_16 16 -#define MLXBF_I2C_SHIFT_24 24 - -#define MLXBF_I2C_MASK_8 GENMASK(7, 0) -#define MLXBF_I2C_MASK_16 GENMASK(15, 0) - /* * Function to poll a set of bits at a specific address; it checks whether * the bits are equal to zero when eq_zero is set to 'true', and not equal * to zero when eq_zero is set to 'false'. * Note that the timeout is given in microseconds. */ -static u32 mlxbf_smbus_poll(void __iomem *io, u32 addr, u32 mask, +static u32 mlxbf_i2c_poll(void __iomem *io, u32 addr, u32 mask, bool eq_zero, u32 timeout) { u32 bits; @@ -502,18 +523,37 @@ static u32 mlxbf_smbus_poll(void __iomem *io, u32 addr, u32 mask, * a transaction. Accordingly, this function polls the Master FSM stop * bit; it returns false when the bit is asserted, true if not. */ -static bool mlxbf_smbus_master_wait_for_idle(struct mlxbf_i2c_priv *priv) +static bool mlxbf_i2c_smbus_master_wait_for_idle(struct mlxbf_i2c_priv *priv) { u32 mask = MLXBF_I2C_SMBUS_MASTER_FSM_STOP_MASK; - u32 addr = MLXBF_I2C_SMBUS_MASTER_FSM; + u32 addr = priv->chip->smbus_master_fsm_off; u32 timeout = MLXBF_I2C_SMBUS_TIMEOUT; - if (mlxbf_smbus_poll(priv->smbus->io, addr, mask, true, timeout)) + if (mlxbf_i2c_poll(priv->mst->io, addr, mask, true, timeout)) + return true; + + return false; +} + +/* + * wait for the lock to be released before acquiring it. + */ +static bool mlxbf_i2c_smbus_master_lock(struct mlxbf_i2c_priv *priv) +{ + if (mlxbf_i2c_poll(priv->mst->io, MLXBF_I2C_SMBUS_MASTER_GW, + MLXBF_I2C_MASTER_LOCK_BIT, true, + MLXBF_I2C_SMBUS_LOCK_POLL_TIMEOUT)) return true; return false; } +static void mlxbf_i2c_smbus_master_unlock(struct mlxbf_i2c_priv *priv) +{ + /* Clear the gw to clear the lock */ + writel(0, priv->mst->io + MLXBF_I2C_SMBUS_MASTER_GW); +} + static bool mlxbf_i2c_smbus_transaction_success(u32 master_status, u32 cause_status) { @@ -551,7 +591,7 @@ static int mlxbf_i2c_smbus_check_status(struct mlxbf_i2c_priv *priv) * then read the cause and master status bits to determine if * errors occurred during the transaction. */ - mlxbf_smbus_poll(priv->smbus->io, MLXBF_I2C_SMBUS_MASTER_GW, + mlxbf_i2c_poll(priv->mst->io, MLXBF_I2C_SMBUS_MASTER_GW, MLXBF_I2C_MASTER_BUSY_BIT, true, MLXBF_I2C_SMBUS_TIMEOUT); @@ -564,7 +604,7 @@ static int mlxbf_i2c_smbus_check_status(struct mlxbf_i2c_priv *priv) * Parse both Cause and Master GW bits, then return transaction status. */ - master_status_bits = readl(priv->smbus->io + + master_status_bits = readl(priv->mst->io + MLXBF_I2C_SMBUS_MASTER_STATUS); master_status_bits &= MLXBF_I2C_SMBUS_MASTER_STATUS_MASK; @@ -589,7 +629,8 @@ static int mlxbf_i2c_smbus_check_status(struct mlxbf_i2c_priv *priv) } static void mlxbf_i2c_smbus_write_data(struct mlxbf_i2c_priv *priv, - const u8 *data, u8 length, u32 addr) + const u8 *data, u8 length, u32 addr, + bool is_master) { u8 offset, aligned_length; u32 data32; @@ -606,12 +647,16 @@ static void mlxbf_i2c_smbus_write_data(struct mlxbf_i2c_priv *priv, */ for (offset = 0; offset < aligned_length; offset += sizeof(u32)) { data32 = *((u32 *)(data + offset)); - iowrite32be(data32, priv->smbus->io + addr + offset); + if (is_master) + iowrite32be(data32, priv->mst->io + addr + offset); + else + iowrite32be(data32, priv->slv->io + addr + offset); } } static void mlxbf_i2c_smbus_read_data(struct mlxbf_i2c_priv *priv, - u8 *data, u8 length, u32 addr) + u8 *data, u8 length, u32 addr, + bool is_master) { u32 data32, mask; u8 byte, offset; @@ -627,14 +672,20 @@ static void mlxbf_i2c_smbus_read_data(struct mlxbf_i2c_priv *priv, */ for (offset = 0; offset < (length & ~mask); offset += sizeof(u32)) { - data32 = ioread32be(priv->smbus->io + addr + offset); + if (is_master) + data32 = ioread32be(priv->mst->io + addr + offset); + else + data32 = ioread32be(priv->slv->io + addr + offset); *((u32 *)(data + offset)) = data32; } if (!(length & mask)) return; - data32 = ioread32be(priv->smbus->io + addr + offset); + if (is_master) + data32 = ioread32be(priv->mst->io + addr + offset); + else + data32 = ioread32be(priv->slv->io + addr + offset); for (byte = 0; byte < (length & mask); byte++) { data[offset + byte] = data32 & GENMASK(7, 0); @@ -660,16 +711,16 @@ static int mlxbf_i2c_smbus_enable(struct mlxbf_i2c_priv *priv, u8 slave, command |= rol32(pec_en, MLXBF_I2C_MASTER_SEND_PEC_SHIFT); /* Clear status bits. */ - writel(0x0, priv->smbus->io + MLXBF_I2C_SMBUS_MASTER_STATUS); + writel(0x0, priv->mst->io + MLXBF_I2C_SMBUS_MASTER_STATUS); /* Set the cause data. */ writel(~0x0, priv->mst_cause->io + MLXBF_I2C_CAUSE_OR_CLEAR); /* Zero PEC byte. */ - writel(0x0, priv->smbus->io + MLXBF_I2C_SMBUS_MASTER_PEC); + writel(0x0, priv->mst->io + MLXBF_I2C_SMBUS_MASTER_PEC); /* Zero byte count. */ - writel(0x0, priv->smbus->io + MLXBF_I2C_SMBUS_RS_BYTES); + writel(0x0, priv->mst->io + priv->chip->smbus_master_rs_bytes_off); /* GW activation. */ - writel(command, priv->smbus->io + MLXBF_I2C_SMBUS_MASTER_GW); + writel(command, priv->mst->io + MLXBF_I2C_SMBUS_MASTER_GW); /* * Poll master status and check status bits. An ACK is sent when @@ -705,10 +756,19 @@ mlxbf_i2c_smbus_start_transaction(struct mlxbf_i2c_priv *priv, slave = request->slave & GENMASK(6, 0); addr = slave << 1; - /* First of all, check whether the HW is idle. */ - if (WARN_ON(!mlxbf_smbus_master_wait_for_idle(priv))) + /* + * Try to acquire the smbus gw lock before any reads of the GW register since + * a read sets the lock. + */ + if (WARN_ON(!mlxbf_i2c_smbus_master_lock(priv))) return -EBUSY; + /* Check whether the HW is idle */ + if (WARN_ON(!mlxbf_i2c_smbus_master_wait_for_idle(priv))) { + ret = -EBUSY; + goto out_unlock; + } + /* Set first byte. */ data_desc[data_idx++] = addr; @@ -732,8 +792,10 @@ mlxbf_i2c_smbus_start_transaction(struct mlxbf_i2c_priv *priv, write_en = 1; write_len += operation->length; if (data_idx + operation->length > - MLXBF_I2C_MASTER_DATA_DESC_SIZE) - return -ENOBUFS; + MLXBF_I2C_MASTER_DATA_DESC_SIZE) { + ret = -ENOBUFS; + goto out_unlock; + } memcpy(data_desc + data_idx, operation->buffer, operation->length); data_idx += operation->length; @@ -759,25 +821,25 @@ mlxbf_i2c_smbus_start_transaction(struct mlxbf_i2c_priv *priv, * must be written to the data registers. */ mlxbf_i2c_smbus_write_data(priv, (const u8 *)data_desc, data_len, - MLXBF_I2C_MASTER_DATA_DESC_ADDR); + MLXBF_I2C_MASTER_DATA_DESC_ADDR, true); if (write_en) { ret = mlxbf_i2c_smbus_enable(priv, slave, write_len, block_en, pec_en, 0); if (ret) - return ret; + goto out_unlock; } if (read_en) { /* Write slave address to Master GW data descriptor. */ mlxbf_i2c_smbus_write_data(priv, (const u8 *)&addr, 1, - MLXBF_I2C_MASTER_DATA_DESC_ADDR); + MLXBF_I2C_MASTER_DATA_DESC_ADDR, true); ret = mlxbf_i2c_smbus_enable(priv, slave, read_len, block_en, pec_en, 1); if (!ret) { /* Get Master GW data descriptor. */ mlxbf_i2c_smbus_read_data(priv, data_desc, read_len + 1, - MLXBF_I2C_MASTER_DATA_DESC_ADDR); + MLXBF_I2C_MASTER_DATA_DESC_ADDR, true); /* Get data from Master GW data descriptor. */ memcpy(read_buf, data_desc, read_len + 1); @@ -789,9 +851,12 @@ mlxbf_i2c_smbus_start_transaction(struct mlxbf_i2c_priv *priv, * next tag integration. */ writel(MLXBF_I2C_SMBUS_MASTER_FSM_PS_STATE_MASK, - priv->smbus->io + MLXBF_I2C_SMBUS_MASTER_FSM); + priv->mst->io + priv->chip->smbus_master_fsm_off); } +out_unlock: + mlxbf_i2c_smbus_master_unlock(priv); + return ret; } @@ -1078,7 +1143,7 @@ static void mlxbf_i2c_set_timings(struct mlxbf_i2c_priv *priv, timer |= mlxbf_i2c_set_timer(priv, timings->scl_low, false, MLXBF_I2C_MASK_16, MLXBF_I2C_SHIFT_16); - writel(timer, priv->smbus->io + + writel(timer, priv->timer->io + MLXBF_I2C_SMBUS_TIMER_SCL_LOW_SCL_HIGH); timer = mlxbf_i2c_set_timer(priv, timings->sda_rise, false, @@ -1089,34 +1154,34 @@ static void mlxbf_i2c_set_timings(struct mlxbf_i2c_priv *priv, MLXBF_I2C_MASK_8, MLXBF_I2C_SHIFT_16); timer |= mlxbf_i2c_set_timer(priv, timings->scl_fall, false, MLXBF_I2C_MASK_8, MLXBF_I2C_SHIFT_24); - writel(timer, priv->smbus->io + + writel(timer, priv->timer->io + MLXBF_I2C_SMBUS_TIMER_FALL_RISE_SPIKE); timer = mlxbf_i2c_set_timer(priv, timings->hold_start, true, MLXBF_I2C_MASK_16, MLXBF_I2C_SHIFT_0); timer |= mlxbf_i2c_set_timer(priv, timings->hold_data, true, MLXBF_I2C_MASK_16, MLXBF_I2C_SHIFT_16); - writel(timer, priv->smbus->io + MLXBF_I2C_SMBUS_TIMER_THOLD); + writel(timer, priv->timer->io + MLXBF_I2C_SMBUS_TIMER_THOLD); timer = mlxbf_i2c_set_timer(priv, timings->setup_start, true, MLXBF_I2C_MASK_16, MLXBF_I2C_SHIFT_0); timer |= mlxbf_i2c_set_timer(priv, timings->setup_stop, true, MLXBF_I2C_MASK_16, MLXBF_I2C_SHIFT_16); - writel(timer, priv->smbus->io + + writel(timer, priv->timer->io + MLXBF_I2C_SMBUS_TIMER_TSETUP_START_STOP); timer = mlxbf_i2c_set_timer(priv, timings->setup_data, true, MLXBF_I2C_MASK_16, MLXBF_I2C_SHIFT_0); - writel(timer, priv->smbus->io + MLXBF_I2C_SMBUS_TIMER_TSETUP_DATA); + writel(timer, priv->timer->io + MLXBF_I2C_SMBUS_TIMER_TSETUP_DATA); timer = mlxbf_i2c_set_timer(priv, timings->buf, false, MLXBF_I2C_MASK_16, MLXBF_I2C_SHIFT_0); timer |= mlxbf_i2c_set_timer(priv, timings->thigh_max, false, MLXBF_I2C_MASK_16, MLXBF_I2C_SHIFT_16); - writel(timer, priv->smbus->io + MLXBF_I2C_SMBUS_THIGH_MAX_TBUF); + writel(timer, priv->timer->io + MLXBF_I2C_SMBUS_THIGH_MAX_TBUF); timer = timings->timeout; - writel(timer, priv->smbus->io + MLXBF_I2C_SMBUS_SCL_LOW_TIMEOUT); + writel(timer, priv->timer->io + MLXBF_I2C_SMBUS_SCL_LOW_TIMEOUT); } enum mlxbf_i2c_timings_config { @@ -1509,28 +1574,26 @@ static int mlxbf_i2c_calculate_corepll_freq(struct platform_device *pdev, return 0; } -static int mlxbf_slave_enable(struct mlxbf_i2c_priv *priv, u8 addr) +static int mlxbf_i2c_slave_enable(struct mlxbf_i2c_priv *priv, + struct i2c_client *slave) { - u32 slave_reg, slave_reg_tmp, slave_reg_avail, slave_addr_mask; - u8 reg, reg_cnt, byte, addr_tmp, reg_avail, byte_avail; - bool avail, disabled; - - disabled = false; - avail = false; + u8 reg, reg_cnt, byte, addr_tmp; + u32 slave_reg, slave_reg_tmp; if (!priv) return -EPERM; reg_cnt = MLXBF_I2C_SMBUS_SLAVE_ADDR_CNT >> 2; - slave_addr_mask = MLXBF_I2C_SMBUS_SLAVE_ADDR_MASK; /* * Read the slave registers. There are 4 * 32-bit slave registers. - * Each slave register can hold up to 4 * 8-bit slave configuration - * (7-bit address, 1 status bit (1 if enabled, 0 if not)). + * Each slave register can hold up to 4 * 8-bit slave configuration: + * 1) A 7-bit address + * 2) And a status bit (1 if enabled, 0 if not). + * Look for the next available slave register slot. */ for (reg = 0; reg < reg_cnt; reg++) { - slave_reg = readl(priv->smbus->io + + slave_reg = readl(priv->slv->io + MLXBF_I2C_SMBUS_SLAVE_ADDR_CFG + reg * 0x4); /* * Each register holds 4 slave addresses. So, we have to keep @@ -1542,121 +1605,87 @@ static int mlxbf_slave_enable(struct mlxbf_i2c_priv *priv, u8 addr) addr_tmp = slave_reg_tmp & GENMASK(7, 0); /* - * Mark the first available slave address slot, i.e. its - * enabled bit should be unset. This slot might be used - * later on to register our slave. + * If an enable bit is not set in the + * MLXBF_I2C_SMBUS_SLAVE_ADDR_CFG register, then the + * slave address slot associated with that bit is + * free. So set the enable bit and write the + * slave address bits. */ - if (!avail && !MLXBF_I2C_SLAVE_ADDR_ENABLED(addr_tmp)) { - avail = true; - reg_avail = reg; - byte_avail = byte; - slave_reg_avail = slave_reg; - } - - /* - * Parse slave address bytes and check whether the - * slave address already exists and it's enabled, - * i.e. most significant bit is set. - */ - if ((addr_tmp & slave_addr_mask) == addr) { - if (MLXBF_I2C_SLAVE_ADDR_ENABLED(addr_tmp)) - return 0; - disabled = true; - break; + if (!(addr_tmp & MLXBF_I2C_SMBUS_SLAVE_ADDR_EN_BIT)) { + slave_reg &= ~(MLXBF_I2C_SMBUS_SLAVE_ADDR_MASK << (byte * 8)); + slave_reg |= (slave->addr << (byte * 8)); + slave_reg |= MLXBF_I2C_SMBUS_SLAVE_ADDR_EN_BIT << (byte * 8); + writel(slave_reg, priv->slv->io + + MLXBF_I2C_SMBUS_SLAVE_ADDR_CFG + + (reg * 0x4)); + + /* + * Set the slave at the corresponding index. + */ + priv->slave[(reg * 4) + byte] = slave; + + return 0; } /* Parse next byte. */ slave_reg_tmp >>= 8; } - - /* Exit the loop if the slave address is found. */ - if (disabled) - break; - } - - if (!avail && !disabled) - return -EINVAL; /* No room for a new slave address. */ - - if (avail && !disabled) { - reg = reg_avail; - byte = byte_avail; - /* Set the slave address. */ - slave_reg_avail &= ~(slave_addr_mask << (byte * 8)); - slave_reg_avail |= addr << (byte * 8); - slave_reg = slave_reg_avail; } - /* Enable the slave address and update the register. */ - slave_reg |= (1 << MLXBF_I2C_SMBUS_SLAVE_ADDR_EN_BIT) << (byte * 8); - writel(slave_reg, priv->smbus->io + MLXBF_I2C_SMBUS_SLAVE_ADDR_CFG + - reg * 0x4); - - return 0; + return -EBUSY; } -static int mlxbf_slave_disable(struct mlxbf_i2c_priv *priv) +static int mlxbf_i2c_slave_disable(struct mlxbf_i2c_priv *priv, u8 addr) { - u32 slave_reg, slave_reg_tmp, slave_addr_mask; - u8 addr, addr_tmp, reg, reg_cnt, slave_byte; - struct i2c_client *client = priv->slave; - bool exist; - - exist = false; + u8 addr_tmp, reg, reg_cnt, byte; + u32 slave_reg, slave_reg_tmp; - addr = client->addr; reg_cnt = MLXBF_I2C_SMBUS_SLAVE_ADDR_CNT >> 2; - slave_addr_mask = MLXBF_I2C_SMBUS_SLAVE_ADDR_MASK; /* * Read the slave registers. There are 4 * 32-bit slave registers. - * Each slave register can hold up to 4 * 8-bit slave configuration - * (7-bit address, 1 status bit (1 if enabled, 0 if not)). + * Each slave register can hold up to 4 * 8-bit slave configuration: + * 1) A 7-bit address + * 2) And a status bit (1 if enabled, 0 if not). + * Check if addr is present in the registers. */ for (reg = 0; reg < reg_cnt; reg++) { - slave_reg = readl(priv->smbus->io + + slave_reg = readl(priv->slv->io + MLXBF_I2C_SMBUS_SLAVE_ADDR_CFG + reg * 0x4); /* Check whether the address slots are empty. */ - if (slave_reg == 0) + if (!slave_reg) continue; /* - * Each register holds 4 slave addresses. So, we have to keep - * the byte order consistent with the value read in order to - * update the register correctly, if needed. + * Check if addr matches any of the 4 slave addresses + * in the register. */ slave_reg_tmp = slave_reg; - slave_byte = 0; - while (slave_reg_tmp != 0) { - addr_tmp = slave_reg_tmp & slave_addr_mask; + for (byte = 0; byte < 4; byte++) { + addr_tmp = slave_reg_tmp & MLXBF_I2C_SMBUS_SLAVE_ADDR_MASK; /* * Parse slave address bytes and check whether the * slave address already exists. */ if (addr_tmp == addr) { - exist = true; - break; + /* Clear the slave address slot. */ + slave_reg &= ~(GENMASK(7, 0) << (byte * 8)); + writel(slave_reg, priv->slv->io + + MLXBF_I2C_SMBUS_SLAVE_ADDR_CFG + + (reg * 0x4)); + /* Free slave at the corresponding index */ + priv->slave[(reg * 4) + byte] = NULL; + + return 0; } /* Parse next byte. */ slave_reg_tmp >>= 8; - slave_byte += 1; } - - /* Exit the loop if the slave address is found. */ - if (exist) - break; } - if (!exist) - return 0; /* Slave is not registered, nothing to do. */ - - /* Cleanup the slave address slot. */ - slave_reg &= ~(GENMASK(7, 0) << (slave_byte * 8)); - writel(slave_reg, priv->smbus->io + MLXBF_I2C_SMBUS_SLAVE_ADDR_CFG + - reg * 0x4); - - return 0; + return -ENXIO; } static int mlxbf_i2c_init_coalesce(struct platform_device *pdev, @@ -1746,7 +1775,7 @@ static int mlxbf_i2c_init_slave(struct platform_device *pdev, int ret; /* Reset FSM. */ - writel(0, priv->smbus->io + MLXBF_I2C_SMBUS_SLAVE_FSM); + writel(0, priv->slv->io + MLXBF_I2C_SMBUS_SLAVE_FSM); /* * Enable slave cause interrupt bits. Drive @@ -1761,7 +1790,7 @@ static int mlxbf_i2c_init_slave(struct platform_device *pdev, writel(int_reg, priv->slv_cause->io + MLXBF_I2C_CAUSE_OR_EVTEN0); /* Finally, set the 'ready' bit to start handling transactions. */ - writel(0x1, priv->smbus->io + MLXBF_I2C_SMBUS_SLAVE_READY); + writel(0x1, priv->slv->io + MLXBF_I2C_SMBUS_SLAVE_READY); /* Initialize the cause coalesce resource. */ ret = mlxbf_i2c_init_coalesce(pdev, priv); @@ -1806,84 +1835,93 @@ static bool mlxbf_i2c_has_coalesce(struct mlxbf_i2c_priv *priv, bool *read, return true; } -static bool mlxbf_smbus_slave_wait_for_idle(struct mlxbf_i2c_priv *priv, +static bool mlxbf_i2c_slave_wait_for_idle(struct mlxbf_i2c_priv *priv, u32 timeout) { u32 mask = MLXBF_I2C_CAUSE_S_GW_BUSY_FALL; u32 addr = MLXBF_I2C_CAUSE_ARBITER; - if (mlxbf_smbus_poll(priv->slv_cause->io, addr, mask, false, timeout)) + if (mlxbf_i2c_poll(priv->slv_cause->io, addr, mask, false, timeout)) return true; return false; } -/* Send byte to 'external' smbus master. */ -static int mlxbf_smbus_irq_send(struct mlxbf_i2c_priv *priv, u8 recv_bytes) +static struct i2c_client *mlxbf_i2c_get_slave_from_addr( + struct mlxbf_i2c_priv *priv, u8 addr) { - u8 data_desc[MLXBF_I2C_SLAVE_DATA_DESC_SIZE] = { 0 }; - u8 write_size, pec_en, addr, byte, value, byte_cnt, desc_size; - struct i2c_client *slave = priv->slave; - u32 control32, data32; - int ret; + int i; - if (!slave) - return -EINVAL; + for (i = 0; i < MLXBF_I2C_SMBUS_SLAVE_ADDR_CNT; i++) { + if (!priv->slave[i]) + continue; - addr = 0; - byte = 0; - desc_size = MLXBF_I2C_SLAVE_DATA_DESC_SIZE; + if (priv->slave[i]->addr == addr) + return priv->slave[i]; + } + + return NULL; +} + +/* + * Send byte to 'external' smbus master. This function is executed when + * an external smbus master wants to read data from the BlueField. + */ +static int mlxbf_i2c_irq_send(struct mlxbf_i2c_priv *priv, u8 recv_bytes) +{ + u8 data_desc[MLXBF_I2C_SLAVE_DATA_DESC_SIZE] = { 0 }; + u8 write_size, pec_en, addr, value, byte_cnt; + struct i2c_client *slave; + u32 control32, data32; + int ret = 0; /* - * Read bytes received from the external master. These bytes should - * be located in the first data descriptor register of the slave GW. - * These bytes are the slave address byte and the internal register - * address, if supplied. + * Read the first byte received from the external master to + * determine the slave address. This byte is located in the + * first data descriptor register of the slave GW. */ - if (recv_bytes > 0) { - data32 = ioread32be(priv->smbus->io + - MLXBF_I2C_SLAVE_DATA_DESC_ADDR); - - /* Parse the received bytes. */ - switch (recv_bytes) { - case 2: - byte = (data32 >> 8) & GENMASK(7, 0); - fallthrough; - case 1: - addr = (data32 & GENMASK(7, 0)) >> 1; - } + data32 = ioread32be(priv->slv->io + + MLXBF_I2C_SLAVE_DATA_DESC_ADDR); + addr = (data32 & GENMASK(7, 0)) >> 1; - /* Check whether it's our slave address. */ - if (slave->addr != addr) - return -EINVAL; + /* + * Check if the slave address received in the data descriptor register + * matches any of the slave addresses registered. If there is a match, + * set the slave. + */ + slave = mlxbf_i2c_get_slave_from_addr(priv, addr); + if (!slave) { + ret = -ENXIO; + goto clear_csr; } /* - * I2C read transactions may start by a WRITE followed by a READ. - * Indeed, most slave devices would expect the internal address - * following the slave address byte. So, write that byte first, - * and then, send the requested data bytes to the master. + * An I2C read can consist of a WRITE bit transaction followed by + * a READ bit transaction. Indeed, slave devices often expect + * the slave address to be followed by the internal address. + * So, write the internal address byte first, and then, send the + * requested data to the master. */ if (recv_bytes > 1) { i2c_slave_event(slave, I2C_SLAVE_WRITE_REQUESTED, &value); - value = byte; + value = (data32 >> 8) & GENMASK(7, 0); ret = i2c_slave_event(slave, I2C_SLAVE_WRITE_RECEIVED, &value); i2c_slave_event(slave, I2C_SLAVE_STOP, &value); if (ret < 0) - return ret; + goto clear_csr; } /* - * Now, send data to the master; currently, the driver supports - * READ_BYTE, READ_WORD and BLOCK READ protocols. Note that the - * hardware can send up to 128 bytes per transfer. That is the - * size of its data registers. + * Send data to the master. Currently, the driver supports + * READ_BYTE, READ_WORD and BLOCK READ protocols. The + * hardware can send up to 128 bytes per transfer which is + * the total size of the data registers. */ i2c_slave_event(slave, I2C_SLAVE_READ_REQUESTED, &value); - for (byte_cnt = 0; byte_cnt < desc_size; byte_cnt++) { + for (byte_cnt = 0; byte_cnt < MLXBF_I2C_SLAVE_DATA_DESC_SIZE; byte_cnt++) { data_desc[byte_cnt] = value; i2c_slave_event(slave, I2C_SLAVE_READ_PROCESSED, &value); } @@ -1891,14 +1929,12 @@ static int mlxbf_smbus_irq_send(struct mlxbf_i2c_priv *priv, u8 recv_bytes) /* Send a stop condition to the backend. */ i2c_slave_event(slave, I2C_SLAVE_STOP, &value); - /* Handle the actual transfer. */ - /* Set the number of bytes to write to master. */ write_size = (byte_cnt - 1) & 0x7f; /* Write data to Slave GW data descriptor. */ mlxbf_i2c_smbus_write_data(priv, data_desc, byte_cnt, - MLXBF_I2C_SLAVE_DATA_DESC_ADDR); + MLXBF_I2C_SLAVE_DATA_DESC_ADDR, false); pec_en = 0; /* Disable PEC since it is not supported. */ @@ -1907,46 +1943,52 @@ static int mlxbf_smbus_irq_send(struct mlxbf_i2c_priv *priv, u8 recv_bytes) control32 |= rol32(write_size, MLXBF_I2C_SLAVE_WRITE_BYTES_SHIFT); control32 |= rol32(pec_en, MLXBF_I2C_SLAVE_SEND_PEC_SHIFT); - writel(control32, priv->smbus->io + MLXBF_I2C_SMBUS_SLAVE_GW); + writel(control32, priv->slv->io + MLXBF_I2C_SMBUS_SLAVE_GW); /* * Wait until the transfer is completed; the driver will wait * until the GW is idle, a cause will rise on fall of GW busy. */ - mlxbf_smbus_slave_wait_for_idle(priv, MLXBF_I2C_SMBUS_TIMEOUT); + mlxbf_i2c_slave_wait_for_idle(priv, MLXBF_I2C_SMBUS_TIMEOUT); +clear_csr: /* Release the Slave GW. */ - writel(0x0, priv->smbus->io + MLXBF_I2C_SMBUS_SLAVE_RS_MASTER_BYTES); - writel(0x0, priv->smbus->io + MLXBF_I2C_SMBUS_SLAVE_PEC); - writel(0x1, priv->smbus->io + MLXBF_I2C_SMBUS_SLAVE_READY); + writel(0x0, priv->slv->io + MLXBF_I2C_SMBUS_SLAVE_RS_MASTER_BYTES); + writel(0x0, priv->slv->io + MLXBF_I2C_SMBUS_SLAVE_PEC); + writel(0x1, priv->slv->io + MLXBF_I2C_SMBUS_SLAVE_READY); - return 0; + return ret; } -/* Receive bytes from 'external' smbus master. */ -static int mlxbf_smbus_irq_recv(struct mlxbf_i2c_priv *priv, u8 recv_bytes) +/* + * Receive bytes from 'external' smbus master. This function is executed when + * an external smbus master wants to write data to the BlueField. + */ +static int mlxbf_i2c_irq_recv(struct mlxbf_i2c_priv *priv, u8 recv_bytes) { u8 data_desc[MLXBF_I2C_SLAVE_DATA_DESC_SIZE] = { 0 }; - struct i2c_client *slave = priv->slave; + struct i2c_client *slave; u8 value, byte, addr; int ret = 0; - if (!slave) - return -EINVAL; - /* Read data from Slave GW data descriptor. */ mlxbf_i2c_smbus_read_data(priv, data_desc, recv_bytes, - MLXBF_I2C_SLAVE_DATA_DESC_ADDR); - - /* Check whether its our slave address. */ + MLXBF_I2C_SLAVE_DATA_DESC_ADDR, false); addr = data_desc[0] >> 1; - if (slave->addr != addr) - return -EINVAL; /* - * Notify the slave backend; another I2C master wants to write data - * to us. This event is sent once the slave address and the write bit - * is detected. + * Check if the slave address received in the data descriptor register + * matches any of the slave addresses registered. + */ + slave = mlxbf_i2c_get_slave_from_addr(priv, addr); + if (!slave) { + ret = -EINVAL; + goto clear_csr; + } + + /* + * Notify the slave backend that an smbus master wants to write data + * to the BlueField. */ i2c_slave_event(slave, I2C_SLAVE_WRITE_REQUESTED, &value); @@ -1959,18 +2001,22 @@ static int mlxbf_smbus_irq_recv(struct mlxbf_i2c_priv *priv, u8 recv_bytes) break; } - /* Send a stop condition to the backend. */ + /* + * Send a stop event to the slave backend, to signal + * the end of the write transactions. + */ i2c_slave_event(slave, I2C_SLAVE_STOP, &value); +clear_csr: /* Release the Slave GW. */ - writel(0x0, priv->smbus->io + MLXBF_I2C_SMBUS_SLAVE_RS_MASTER_BYTES); - writel(0x0, priv->smbus->io + MLXBF_I2C_SMBUS_SLAVE_PEC); - writel(0x1, priv->smbus->io + MLXBF_I2C_SMBUS_SLAVE_READY); + writel(0x0, priv->slv->io + MLXBF_I2C_SMBUS_SLAVE_RS_MASTER_BYTES); + writel(0x0, priv->slv->io + MLXBF_I2C_SMBUS_SLAVE_PEC); + writel(0x1, priv->slv->io + MLXBF_I2C_SMBUS_SLAVE_READY); return ret; } -static irqreturn_t mlxbf_smbus_irq(int irq, void *ptr) +static irqreturn_t mlxbf_i2c_irq(int irq, void *ptr) { struct mlxbf_i2c_priv *priv = ptr; bool read, write, irq_is_set; @@ -2000,7 +2046,7 @@ static irqreturn_t mlxbf_smbus_irq(int irq, void *ptr) * slave, if the higher 8 bits are sent then the slave expect N bytes * from the master. */ - rw_bytes_reg = readl(priv->smbus->io + + rw_bytes_reg = readl(priv->slv->io + MLXBF_I2C_SMBUS_SLAVE_RS_MASTER_BYTES); recv_bytes = (rw_bytes_reg >> 8) & GENMASK(7, 0); @@ -2018,9 +2064,9 @@ static irqreturn_t mlxbf_smbus_irq(int irq, void *ptr) MLXBF_I2C_SLAVE_DATA_DESC_SIZE : recv_bytes; if (read) - mlxbf_smbus_irq_send(priv, recv_bytes); + mlxbf_i2c_irq_send(priv, recv_bytes); else - mlxbf_smbus_irq_recv(priv, recv_bytes); + mlxbf_i2c_irq_recv(priv, recv_bytes); return IRQ_HANDLED; } @@ -2115,23 +2161,21 @@ static s32 mlxbf_i2c_smbus_xfer(struct i2c_adapter *adap, u16 addr, static int mlxbf_i2c_reg_slave(struct i2c_client *slave) { struct mlxbf_i2c_priv *priv = i2c_get_adapdata(slave->adapter); + struct device *dev = &slave->dev; int ret; - if (priv->slave) - return -EBUSY; - /* * Do not support ten bit chip address and do not use Packet Error * Checking (PEC). */ - if (slave->flags & (I2C_CLIENT_TEN | I2C_CLIENT_PEC)) + if (slave->flags & (I2C_CLIENT_TEN | I2C_CLIENT_PEC)) { + dev_err(dev, "SMBus PEC and 10 bit address not supported\n"); return -EAFNOSUPPORT; + } - ret = mlxbf_slave_enable(priv, slave->addr); - if (ret < 0) - return ret; - - priv->slave = slave; + ret = mlxbf_i2c_slave_enable(priv, slave); + if (ret) + dev_err(dev, "Surpassed max number of registered slaves allowed\n"); return 0; } @@ -2139,18 +2183,19 @@ static int mlxbf_i2c_reg_slave(struct i2c_client *slave) static int mlxbf_i2c_unreg_slave(struct i2c_client *slave) { struct mlxbf_i2c_priv *priv = i2c_get_adapdata(slave->adapter); + struct device *dev = &slave->dev; int ret; - WARN_ON(!priv->slave); - - /* Unregister slave, i.e. disable the slave address in hardware. */ - ret = mlxbf_slave_disable(priv); - if (ret < 0) - return ret; - - priv->slave = NULL; + /* + * Unregister slave by: + * 1) Disabling the slave address in hardware + * 2) Freeing priv->slave at the corresponding index + */ + ret = mlxbf_i2c_slave_disable(priv, slave->addr); + if (ret) + dev_err(dev, "Unable to find slave 0x%x\n", slave->addr); - return 0; + return ret; } static u32 mlxbf_i2c_functionality(struct i2c_adapter *adap) @@ -2166,14 +2211,27 @@ static struct mlxbf_i2c_chip_info mlxbf_i2c_chip[] = { [1] = &mlxbf_i2c_corepll_res[MLXBF_I2C_CHIP_TYPE_1], [2] = &mlxbf_i2c_gpio_res[MLXBF_I2C_CHIP_TYPE_1] }, - .calculate_freq = mlxbf_i2c_calculate_freq_from_tyu + .calculate_freq = mlxbf_i2c_calculate_freq_from_tyu, + .smbus_master_rs_bytes_off = MLXBF_I2C_YU_SMBUS_RS_BYTES, + .smbus_master_fsm_off = MLXBF_I2C_YU_SMBUS_MASTER_FSM }, [MLXBF_I2C_CHIP_TYPE_2] = { .type = MLXBF_I2C_CHIP_TYPE_2, .shared_res = { [0] = &mlxbf_i2c_corepll_res[MLXBF_I2C_CHIP_TYPE_2] }, - .calculate_freq = mlxbf_i2c_calculate_freq_from_yu + .calculate_freq = mlxbf_i2c_calculate_freq_from_yu, + .smbus_master_rs_bytes_off = MLXBF_I2C_YU_SMBUS_RS_BYTES, + .smbus_master_fsm_off = MLXBF_I2C_YU_SMBUS_MASTER_FSM + }, + [MLXBF_I2C_CHIP_TYPE_3] = { + .type = MLXBF_I2C_CHIP_TYPE_3, + .shared_res = { + [0] = &mlxbf_i2c_corepll_res[MLXBF_I2C_CHIP_TYPE_3] + }, + .calculate_freq = mlxbf_i2c_calculate_freq_from_yu, + .smbus_master_rs_bytes_off = MLXBF_I2C_RSH_YU_SMBUS_RS_BYTES, + .smbus_master_fsm_off = MLXBF_I2C_RSH_YU_SMBUS_MASTER_FSM } }; @@ -2189,24 +2247,11 @@ static struct i2c_adapter_quirks mlxbf_i2c_quirks = { .max_write_len = MLXBF_I2C_MASTER_DATA_W_LENGTH, }; -static const struct of_device_id mlxbf_i2c_dt_ids[] = { - { - .compatible = "mellanox,i2c-mlxbf1", - .data = &mlxbf_i2c_chip[MLXBF_I2C_CHIP_TYPE_1] - }, - { - .compatible = "mellanox,i2c-mlxbf2", - .data = &mlxbf_i2c_chip[MLXBF_I2C_CHIP_TYPE_2] - }, - {}, -}; - -MODULE_DEVICE_TABLE(of, mlxbf_i2c_dt_ids); - #ifdef CONFIG_ACPI static const struct acpi_device_id mlxbf_i2c_acpi_ids[] = { { "MLNXBF03", (kernel_ulong_t)&mlxbf_i2c_chip[MLXBF_I2C_CHIP_TYPE_1] }, { "MLNXBF23", (kernel_ulong_t)&mlxbf_i2c_chip[MLXBF_I2C_CHIP_TYPE_2] }, + { "MLNXBF31", (kernel_ulong_t)&mlxbf_i2c_chip[MLXBF_I2C_CHIP_TYPE_3] }, {}, }; @@ -2244,36 +2289,12 @@ static int mlxbf_i2c_acpi_probe(struct device *dev, struct mlxbf_i2c_priv *priv) } #endif /* CONFIG_ACPI */ -static int mlxbf_i2c_of_probe(struct device *dev, struct mlxbf_i2c_priv *priv) -{ - const struct of_device_id *oid; - int bus_id = -1; - - if (IS_ENABLED(CONFIG_OF) && dev->of_node) { - oid = of_match_node(mlxbf_i2c_dt_ids, dev->of_node); - if (!oid) - return -ENODEV; - - priv->chip = oid->data; - - bus_id = of_alias_get_id(dev->of_node, "i2c"); - if (bus_id >= 0) - priv->bus = bus_id; - } - - if (bus_id < 0) { - dev_err(dev, "Cannot get bus id"); - return bus_id; - } - - return 0; -} - static int mlxbf_i2c_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct mlxbf_i2c_priv *priv; struct i2c_adapter *adap; + u32 resource_version; int irq, ret; priv = devm_kzalloc(dev, sizeof(struct mlxbf_i2c_priv), GFP_KERNEL); @@ -2281,17 +2302,63 @@ static int mlxbf_i2c_probe(struct platform_device *pdev) return -ENOMEM; ret = mlxbf_i2c_acpi_probe(dev, priv); - if (ret < 0 && ret != -ENOENT && ret != -ENXIO) - ret = mlxbf_i2c_of_probe(dev, priv); - if (ret < 0) return ret; - ret = mlxbf_i2c_init_resource(pdev, &priv->smbus, - MLXBF_I2C_SMBUS_RES); - if (ret < 0) { - dev_err(dev, "Cannot fetch smbus resource info"); - return ret; + /* This property allows the driver to stay backward compatible with older + * ACPI tables. + * Starting BlueField-3 SoC, the "smbus" resource was broken down into 3 + * separate resources "timer", "master" and "slave". + */ + if (device_property_read_u32(dev, "resource_version", &resource_version)) + resource_version = 0; + + priv->resource_version = resource_version; + + if (priv->chip->type < MLXBF_I2C_CHIP_TYPE_3 && resource_version == 0) { + priv->timer = devm_kzalloc(dev, sizeof(struct mlxbf_i2c_resource), GFP_KERNEL); + if (!priv->timer) + return -ENOMEM; + + priv->mst = devm_kzalloc(dev, sizeof(struct mlxbf_i2c_resource), GFP_KERNEL); + if (!priv->mst) + return -ENOMEM; + + priv->slv = devm_kzalloc(dev, sizeof(struct mlxbf_i2c_resource), GFP_KERNEL); + if (!priv->slv) + return -ENOMEM; + + ret = mlxbf_i2c_init_resource(pdev, &priv->smbus, + MLXBF_I2C_SMBUS_RES); + if (ret < 0) { + dev_err(dev, "Cannot fetch smbus resource info"); + return ret; + } + + priv->timer->io = priv->smbus->io; + priv->mst->io = priv->smbus->io + MLXBF_I2C_MST_ADDR_OFFSET; + priv->slv->io = priv->smbus->io + MLXBF_I2C_SLV_ADDR_OFFSET; + } else { + ret = mlxbf_i2c_init_resource(pdev, &priv->timer, + MLXBF_I2C_SMBUS_TIMER_RES); + if (ret < 0) { + dev_err(dev, "Cannot fetch timer resource info"); + return ret; + } + + ret = mlxbf_i2c_init_resource(pdev, &priv->mst, + MLXBF_I2C_SMBUS_MST_RES); + if (ret < 0) { + dev_err(dev, "Cannot fetch master resource info"); + return ret; + } + + ret = mlxbf_i2c_init_resource(pdev, &priv->slv, + MLXBF_I2C_SMBUS_SLV_RES); + if (ret < 0) { + dev_err(dev, "Cannot fetch slave resource info"); + return ret; + } } ret = mlxbf_i2c_init_resource(pdev, &priv->mst_cause, @@ -2350,8 +2417,8 @@ static int mlxbf_i2c_probe(struct platform_device *pdev) irq = platform_get_irq(pdev, 0); if (irq < 0) return irq; - ret = devm_request_irq(dev, irq, mlxbf_smbus_irq, - IRQF_ONESHOT | IRQF_SHARED | IRQF_PROBE_SHARED, + ret = devm_request_irq(dev, irq, mlxbf_i2c_irq, + IRQF_SHARED | IRQF_PROBE_SHARED, dev_name(dev), priv); if (ret < 0) { dev_err(dev, "Cannot get irq %d\n", irq); @@ -2379,8 +2446,19 @@ static int mlxbf_i2c_remove(struct platform_device *pdev) struct device *dev = &pdev->dev; struct resource *params; - params = priv->smbus->params; - devm_release_mem_region(dev, params->start, resource_size(params)); + if (priv->chip->type < MLXBF_I2C_CHIP_TYPE_3 && priv->resource_version == 0) { + params = priv->smbus->params; + devm_release_mem_region(dev, params->start, resource_size(params)); + } else { + params = priv->timer->params; + devm_release_mem_region(dev, params->start, resource_size(params)); + + params = priv->mst->params; + devm_release_mem_region(dev, params->start, resource_size(params)); + + params = priv->slv->params; + devm_release_mem_region(dev, params->start, resource_size(params)); + } params = priv->mst_cause->params; devm_release_mem_region(dev, params->start, resource_size(params)); @@ -2412,7 +2490,6 @@ static struct platform_driver mlxbf_i2c_driver = { .remove = mlxbf_i2c_remove, .driver = { .name = "i2c-mlxbf", - .of_match_table = mlxbf_i2c_dt_ids, #ifdef CONFIG_ACPI .acpi_match_table = ACPI_PTR(mlxbf_i2c_acpi_ids), #endif /* CONFIG_ACPI */ @@ -2445,4 +2522,5 @@ module_exit(mlxbf_i2c_exit); MODULE_DESCRIPTION("Mellanox BlueField I2C bus driver"); MODULE_AUTHOR("Khalil Blaiech <kblaiech@nvidia.com>"); +MODULE_AUTHOR("Asmaa Mnebhi <asmaa@nvidia.com>"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/i2c/busses/i2c-riic.c b/drivers/i2c/busses/i2c-riic.c index ecba1dfc1278..849848ccb080 100644 --- a/drivers/i2c/busses/i2c-riic.c +++ b/drivers/i2c/busses/i2c-riic.c @@ -400,7 +400,6 @@ static int riic_i2c_probe(struct platform_device *pdev) { struct riic_dev *riic; struct i2c_adapter *adap; - struct resource *res; struct i2c_timings i2c_t; struct reset_control *rstc; int i, ret; @@ -409,8 +408,7 @@ static int riic_i2c_probe(struct platform_device *pdev) if (!riic) return -ENOMEM; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - riic->base = devm_ioremap_resource(&pdev->dev, res); + riic->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(riic->base)) return PTR_ERR(riic->base); diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c index 2e98e7793bba..d1658ed76562 100644 --- a/drivers/i2c/busses/i2c-rk3x.c +++ b/drivers/i2c/busses/i2c-rk3x.c @@ -1165,6 +1165,11 @@ static const struct rk3x_i2c_soc_data rv1108_soc_data = { .calc_timings = rk3x_i2c_v1_calc_timings, }; +static const struct rk3x_i2c_soc_data rv1126_soc_data = { + .grf_offset = 0x118, + .calc_timings = rk3x_i2c_v1_calc_timings, +}; + static const struct rk3x_i2c_soc_data rk3066_soc_data = { .grf_offset = 0x154, .calc_timings = rk3x_i2c_v0_calc_timings, @@ -1196,6 +1201,10 @@ static const struct of_device_id rk3x_i2c_match[] = { .data = &rv1108_soc_data }, { + .compatible = "rockchip,rv1126-i2c", + .data = &rv1126_soc_data + }, + { .compatible = "rockchip,rk3066-i2c", .data = &rk3066_soc_data }, diff --git a/drivers/i2c/busses/i2c-scmi.c b/drivers/i2c/busses/i2c-scmi.c index 6746aa46d96c..0239e134b90f 100644 --- a/drivers/i2c/busses/i2c-scmi.c +++ b/drivers/i2c/busses/i2c-scmi.c @@ -6,15 +6,13 @@ */ #include <linux/module.h> +#include <linux/platform_device.h> #include <linux/slab.h> #include <linux/kernel.h> #include <linux/stddef.h> #include <linux/i2c.h> #include <linux/acpi.h> -#define ACPI_SMBUS_HC_CLASS "smbus" -#define ACPI_SMBUS_HC_DEVICE_NAME "cmi" - /* SMBUS HID definition as supported by Microsoft Windows */ #define ACPI_SMBUS_MS_HID "SMB0001" @@ -30,7 +28,7 @@ struct acpi_smbus_cmi { u8 cap_info:1; u8 cap_read:1; u8 cap_write:1; - struct smbus_methods_t *methods; + const struct smbus_methods_t *methods; }; static const struct smbus_methods_t smbus_methods = { @@ -358,29 +356,25 @@ static acpi_status acpi_smbus_cmi_query_methods(acpi_handle handle, u32 level, return AE_OK; } -static int acpi_smbus_cmi_add(struct acpi_device *device) +static int smbus_cmi_probe(struct platform_device *device) { + struct device *dev = &device->dev; struct acpi_smbus_cmi *smbus_cmi; - const struct acpi_device_id *id; int ret; smbus_cmi = kzalloc(sizeof(struct acpi_smbus_cmi), GFP_KERNEL); if (!smbus_cmi) return -ENOMEM; - smbus_cmi->handle = device->handle; - strcpy(acpi_device_name(device), ACPI_SMBUS_HC_DEVICE_NAME); - strcpy(acpi_device_class(device), ACPI_SMBUS_HC_CLASS); - device->driver_data = smbus_cmi; + smbus_cmi->handle = ACPI_HANDLE(dev); + smbus_cmi->methods = device_get_match_data(dev); + + platform_set_drvdata(device, smbus_cmi); + smbus_cmi->cap_info = 0; smbus_cmi->cap_read = 0; smbus_cmi->cap_write = 0; - for (id = acpi_smbus_cmi_ids; id->id[0]; id++) - if (!strcmp(id->id, acpi_device_hid(device))) - smbus_cmi->methods = - (struct smbus_methods_t *) id->driver_data; - acpi_walk_namespace(ACPI_TYPE_METHOD, smbus_cmi->handle, 1, acpi_smbus_cmi_query_methods, NULL, smbus_cmi, NULL); @@ -390,8 +384,7 @@ static int acpi_smbus_cmi_add(struct acpi_device *device) } snprintf(smbus_cmi->adapter.name, sizeof(smbus_cmi->adapter.name), - "SMBus CMI adapter %s", - acpi_device_name(device)); + "SMBus CMI adapter %s", dev_name(dev)); smbus_cmi->adapter.owner = THIS_MODULE; smbus_cmi->adapter.algo = &acpi_smbus_cmi_algorithm; smbus_cmi->adapter.algo_data = smbus_cmi; @@ -408,31 +401,28 @@ static int acpi_smbus_cmi_add(struct acpi_device *device) err: kfree(smbus_cmi); - device->driver_data = NULL; return ret; } -static int acpi_smbus_cmi_remove(struct acpi_device *device) +static int smbus_cmi_remove(struct platform_device *device) { - struct acpi_smbus_cmi *smbus_cmi = acpi_driver_data(device); + struct acpi_smbus_cmi *smbus_cmi = platform_get_drvdata(device); i2c_del_adapter(&smbus_cmi->adapter); kfree(smbus_cmi); - device->driver_data = NULL; return 0; } -static struct acpi_driver acpi_smbus_cmi_driver = { - .name = ACPI_SMBUS_HC_DEVICE_NAME, - .class = ACPI_SMBUS_HC_CLASS, - .ids = acpi_smbus_cmi_ids, - .ops = { - .add = acpi_smbus_cmi_add, - .remove = acpi_smbus_cmi_remove, +static struct platform_driver smbus_cmi_driver = { + .probe = smbus_cmi_probe, + .remove = smbus_cmi_remove, + .driver = { + .name = "smbus_cmi", + .acpi_match_table = acpi_smbus_cmi_ids, }, }; -module_acpi_driver(acpi_smbus_cmi_driver); +module_platform_driver(smbus_cmi_driver); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Crane Cai <crane.cai@amd.com>"); diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index 031c78ac42e6..954022c04cc4 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -443,11 +443,16 @@ static int tegra_i2c_init_dma(struct tegra_i2c_dev *i2c_dev) u32 *dma_buf; int err; - if (!i2c_dev->hw->has_apb_dma || i2c_dev->is_vi) + if (i2c_dev->is_vi) return 0; - if (!IS_ENABLED(CONFIG_TEGRA20_APB_DMA)) { - dev_dbg(i2c_dev->dev, "DMA support not enabled\n"); + if (!i2c_dev->hw->has_apb_dma) { + if (!IS_ENABLED(CONFIG_TEGRA20_APB_DMA)) { + dev_dbg(i2c_dev->dev, "APB DMA support not enabled\n"); + return 0; + } + } else if (!IS_ENABLED(CONFIG_TEGRA186_GPC_DMA)) { + dev_dbg(i2c_dev->dev, "GPC DMA support not enabled\n"); return 0; } diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c index 08b561f0709d..da6568a20177 100644 --- a/drivers/i2c/i2c-core-acpi.c +++ b/drivers/i2c/i2c-core-acpi.c @@ -26,7 +26,7 @@ struct gsb_buffer { union { u16 wdata; u8 bdata; - u8 data[0]; + DECLARE_FLEX_ARRAY(u8, data); }; } __packed; diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c index 91007558bcb2..8c7e3494ca5f 100644 --- a/drivers/i2c/i2c-core-base.c +++ b/drivers/i2c/i2c-core-base.c @@ -599,13 +599,9 @@ static void i2c_device_remove(struct device *dev) driver = to_i2c_driver(dev->driver); if (driver->remove) { - int status; - dev_dbg(dev, "remove\n"); - status = driver->remove(client); - if (status) - dev_warn(dev, "remove failed (%pe), will be ignored\n", ERR_PTR(status)); + driver->remove(client); } devres_release_group(&client->dev, client->devres_group_id); diff --git a/drivers/i2c/i2c-slave-eeprom.c b/drivers/i2c/i2c-slave-eeprom.c index 5c7ae421cacf..4abc2d919881 100644 --- a/drivers/i2c/i2c-slave-eeprom.c +++ b/drivers/i2c/i2c-slave-eeprom.c @@ -181,14 +181,12 @@ static int i2c_slave_eeprom_probe(struct i2c_client *client, const struct i2c_de return 0; }; -static int i2c_slave_eeprom_remove(struct i2c_client *client) +static void i2c_slave_eeprom_remove(struct i2c_client *client) { struct eeprom_data *eeprom = i2c_get_clientdata(client); i2c_slave_unregister(client); sysfs_remove_bin_file(&client->dev.kobj, &eeprom->bin); - - return 0; } static const struct i2c_device_id i2c_slave_eeprom_id[] = { diff --git a/drivers/i2c/i2c-slave-testunit.c b/drivers/i2c/i2c-slave-testunit.c index 56dae08dfd48..75ee7ebdb614 100644 --- a/drivers/i2c/i2c-slave-testunit.c +++ b/drivers/i2c/i2c-slave-testunit.c @@ -153,13 +153,12 @@ static int i2c_slave_testunit_probe(struct i2c_client *client) return i2c_slave_register(client, i2c_slave_testunit_slave_cb); }; -static int i2c_slave_testunit_remove(struct i2c_client *client) +static void i2c_slave_testunit_remove(struct i2c_client *client) { struct testunit_data *tu = i2c_get_clientdata(client); cancel_delayed_work_sync(&tu->worker); i2c_slave_unregister(client); - return 0; } static const struct i2c_device_id i2c_slave_testunit_id[] = { diff --git a/drivers/i2c/i2c-smbus.c b/drivers/i2c/i2c-smbus.c index 8ba9b59a3c40..07c92c8495a3 100644 --- a/drivers/i2c/i2c-smbus.c +++ b/drivers/i2c/i2c-smbus.c @@ -153,12 +153,11 @@ static int smbalert_probe(struct i2c_client *ara, } /* IRQ and memory resources are managed so they are freed automatically */ -static int smbalert_remove(struct i2c_client *ara) +static void smbalert_remove(struct i2c_client *ara) { struct i2c_smbus_alert *alert = i2c_get_clientdata(ara); cancel_work_sync(&alert->alert); - return 0; } static const struct i2c_device_id smbalert_ids[] = { diff --git a/drivers/i2c/muxes/Kconfig b/drivers/i2c/muxes/Kconfig index 1708b1a82da2..ea838dbae32e 100644 --- a/drivers/i2c/muxes/Kconfig +++ b/drivers/i2c/muxes/Kconfig @@ -9,7 +9,7 @@ menu "Multiplexer I2C Chip support" config I2C_ARB_GPIO_CHALLENGE tristate "GPIO-based I2C arbitration" depends on GPIOLIB || COMPILE_TEST - depends on OF || COMPILE_TEST + depends on OF help If you say yes to this option, support will be included for an I2C multimaster arbitration scheme using GPIOs and a challenge & @@ -34,7 +34,7 @@ config I2C_MUX_GPIO config I2C_MUX_GPMUX tristate "General Purpose I2C multiplexer" select MULTIPLEXER - depends on OF || COMPILE_TEST + depends on OF help If you say yes to this option, support will be included for a general purpose I2C multiplexer. This driver provides access to @@ -77,7 +77,7 @@ config I2C_MUX_PCA954x config I2C_MUX_PINCTRL tristate "pinctrl-based I2C multiplexer" depends on PINCTRL - depends on OF || COMPILE_TEST + depends on OF help If you say yes to this option, support will be included for an I2C multiplexer that uses the pinctrl subsystem, i.e. pin multiplexing. diff --git a/drivers/i2c/muxes/i2c-mux-ltc4306.c b/drivers/i2c/muxes/i2c-mux-ltc4306.c index 704f1e50f6f4..70835825083f 100644 --- a/drivers/i2c/muxes/i2c-mux-ltc4306.c +++ b/drivers/i2c/muxes/i2c-mux-ltc4306.c @@ -294,13 +294,11 @@ static int ltc4306_probe(struct i2c_client *client) return 0; } -static int ltc4306_remove(struct i2c_client *client) +static void ltc4306_remove(struct i2c_client *client) { struct i2c_mux_core *muxc = i2c_get_clientdata(client); i2c_mux_del_adapters(muxc); - - return 0; } static struct i2c_driver ltc4306_driver = { diff --git a/drivers/i2c/muxes/i2c-mux-pca9541.c b/drivers/i2c/muxes/i2c-mux-pca9541.c index 6daec8d3d331..ea83de78f52d 100644 --- a/drivers/i2c/muxes/i2c-mux-pca9541.c +++ b/drivers/i2c/muxes/i2c-mux-pca9541.c @@ -325,12 +325,11 @@ static int pca9541_probe(struct i2c_client *client, return 0; } -static int pca9541_remove(struct i2c_client *client) +static void pca9541_remove(struct i2c_client *client) { struct i2c_mux_core *muxc = i2c_get_clientdata(client); i2c_mux_del_adapters(muxc); - return 0; } static struct i2c_driver pca9541_driver = { diff --git a/drivers/i2c/muxes/i2c-mux-pca954x.c b/drivers/i2c/muxes/i2c-mux-pca954x.c index 4ad665757dd8..a5f458b635df 100644 --- a/drivers/i2c/muxes/i2c-mux-pca954x.c +++ b/drivers/i2c/muxes/i2c-mux-pca954x.c @@ -521,14 +521,13 @@ fail_cleanup: return ret; } -static int pca954x_remove(struct i2c_client *client) +static void pca954x_remove(struct i2c_client *client) { struct i2c_mux_core *muxc = i2c_get_clientdata(client); device_remove_file(&client->dev, &dev_attr_idle_state); pca954x_cleanup(muxc); - return 0; } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/i2c/muxes/i2c-mux-pinctrl.c b/drivers/i2c/muxes/i2c-mux-pinctrl.c index f1bb00a11ad6..d5ad904756fd 100644 --- a/drivers/i2c/muxes/i2c-mux-pinctrl.c +++ b/drivers/i2c/muxes/i2c-mux-pinctrl.c @@ -185,7 +185,7 @@ MODULE_DEVICE_TABLE(of, i2c_mux_pinctrl_of_match); static struct platform_driver i2c_mux_pinctrl_driver = { .driver = { .name = "i2c-mux-pinctrl", - .of_match_table = of_match_ptr(i2c_mux_pinctrl_of_match), + .of_match_table = i2c_mux_pinctrl_of_match, }, .probe = i2c_mux_pinctrl_probe, .remove = i2c_mux_pinctrl_remove, diff --git a/drivers/iio/accel/bma180.c b/drivers/iio/accel/bma180.c index 9c9e98578667..d03fc3400f94 100644 --- a/drivers/iio/accel/bma180.c +++ b/drivers/iio/accel/bma180.c @@ -1045,7 +1045,7 @@ err_disable_vdd: return ret; } -static int bma180_remove(struct i2c_client *client) +static void bma180_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct bma180_data *data = iio_priv(indio_dev); @@ -1062,8 +1062,6 @@ static int bma180_remove(struct i2c_client *client) mutex_unlock(&data->mutex); regulator_disable(data->vddio_supply); regulator_disable(data->vdd_supply); - - return 0; } static int bma180_suspend(struct device *dev) diff --git a/drivers/iio/accel/bmc150-accel-i2c.c b/drivers/iio/accel/bmc150-accel-i2c.c index dff4d7dd101c..be8cc598b88e 100644 --- a/drivers/iio/accel/bmc150-accel-i2c.c +++ b/drivers/iio/accel/bmc150-accel-i2c.c @@ -209,13 +209,11 @@ static int bmc150_accel_probe(struct i2c_client *client, return 0; } -static int bmc150_accel_remove(struct i2c_client *client) +static void bmc150_accel_remove(struct i2c_client *client) { bmc150_acpi_dual_accel_remove(client); bmc150_accel_core_remove(&client->dev); - - return 0; } static const struct acpi_device_id bmc150_accel_acpi_match[] = { diff --git a/drivers/iio/accel/kxcjk-1013.c b/drivers/iio/accel/kxcjk-1013.c index 748b35c2f0c3..94f7b6ac5c87 100644 --- a/drivers/iio/accel/kxcjk-1013.c +++ b/drivers/iio/accel/kxcjk-1013.c @@ -1611,7 +1611,7 @@ err_poweroff: return ret; } -static int kxcjk1013_remove(struct i2c_client *client) +static void kxcjk1013_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct kxcjk1013_data *data = iio_priv(indio_dev); @@ -1630,8 +1630,6 @@ static int kxcjk1013_remove(struct i2c_client *client) mutex_lock(&data->mutex); kxcjk1013_set_mode(data, STANDBY); mutex_unlock(&data->mutex); - - return 0; } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/iio/accel/kxsd9-i2c.c b/drivers/iio/accel/kxsd9-i2c.c index d57f264bd6c8..61346ea8ef19 100644 --- a/drivers/iio/accel/kxsd9-i2c.c +++ b/drivers/iio/accel/kxsd9-i2c.c @@ -32,11 +32,9 @@ static int kxsd9_i2c_probe(struct i2c_client *i2c, i2c->name); } -static int kxsd9_i2c_remove(struct i2c_client *client) +static void kxsd9_i2c_remove(struct i2c_client *client) { kxsd9_common_remove(&client->dev); - - return 0; } static const struct of_device_id kxsd9_of_match[] = { diff --git a/drivers/iio/accel/mc3230.c b/drivers/iio/accel/mc3230.c index c15d16e7f1da..2462000e0519 100644 --- a/drivers/iio/accel/mc3230.c +++ b/drivers/iio/accel/mc3230.c @@ -151,15 +151,13 @@ static int mc3230_probe(struct i2c_client *client, return ret; } -static int mc3230_remove(struct i2c_client *client) +static void mc3230_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); iio_device_unregister(indio_dev); mc3230_set_opcon(iio_priv(indio_dev), MC3230_MODE_OPCON_STANDBY); - - return 0; } static int mc3230_suspend(struct device *dev) diff --git a/drivers/iio/accel/mma7455_i2c.c b/drivers/iio/accel/mma7455_i2c.c index a3b84e8a3ea8..c63b321b01cd 100644 --- a/drivers/iio/accel/mma7455_i2c.c +++ b/drivers/iio/accel/mma7455_i2c.c @@ -26,11 +26,9 @@ static int mma7455_i2c_probe(struct i2c_client *i2c, return mma7455_core_probe(&i2c->dev, regmap, name); } -static int mma7455_i2c_remove(struct i2c_client *i2c) +static void mma7455_i2c_remove(struct i2c_client *i2c) { mma7455_core_remove(&i2c->dev); - - return 0; } static const struct i2c_device_id mma7455_i2c_ids[] = { diff --git a/drivers/iio/accel/mma7660.c b/drivers/iio/accel/mma7660.c index 794f2f383303..85829990bbad 100644 --- a/drivers/iio/accel/mma7660.c +++ b/drivers/iio/accel/mma7660.c @@ -207,7 +207,7 @@ static int mma7660_probe(struct i2c_client *client, return ret; } -static int mma7660_remove(struct i2c_client *client) +static void mma7660_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); int ret; @@ -218,8 +218,6 @@ static int mma7660_remove(struct i2c_client *client) if (ret) dev_warn(&client->dev, "Failed to put device in stand-by mode (%pe), ignoring\n", ERR_PTR(ret)); - - return 0; } static int mma7660_suspend(struct device *dev) diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c index c7d9ca96dbaa..3ba28c2ff68a 100644 --- a/drivers/iio/accel/mma8452.c +++ b/drivers/iio/accel/mma8452.c @@ -1735,7 +1735,7 @@ disable_regulator_vdd: return ret; } -static int mma8452_remove(struct i2c_client *client) +static void mma8452_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct mma8452_data *data = iio_priv(indio_dev); @@ -1751,8 +1751,6 @@ static int mma8452_remove(struct i2c_client *client) regulator_disable(data->vddio_reg); regulator_disable(data->vdd_reg); - - return 0; } #ifdef CONFIG_PM diff --git a/drivers/iio/accel/mma9551.c b/drivers/iio/accel/mma9551.c index 123cdbbb265c..f7a793f4a8e3 100644 --- a/drivers/iio/accel/mma9551.c +++ b/drivers/iio/accel/mma9551.c @@ -509,7 +509,7 @@ out_poweroff: return ret; } -static int mma9551_remove(struct i2c_client *client) +static void mma9551_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct mma9551_data *data = iio_priv(indio_dev); @@ -522,8 +522,6 @@ static int mma9551_remove(struct i2c_client *client) mutex_lock(&data->mutex); mma9551_set_device_state(data->client, false); mutex_unlock(&data->mutex); - - return 0; } static int mma9551_runtime_suspend(struct device *dev) diff --git a/drivers/iio/accel/mma9553.c b/drivers/iio/accel/mma9553.c index 09df58d4be33..2da0e005b13e 100644 --- a/drivers/iio/accel/mma9553.c +++ b/drivers/iio/accel/mma9553.c @@ -1148,7 +1148,7 @@ out_poweroff: return ret; } -static int mma9553_remove(struct i2c_client *client) +static void mma9553_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct mma9553_data *data = iio_priv(indio_dev); @@ -1161,8 +1161,6 @@ static int mma9553_remove(struct i2c_client *client) mutex_lock(&data->mutex); mma9551_set_device_state(data->client, false); mutex_unlock(&data->mutex); - - return 0; } static int mma9553_runtime_suspend(struct device *dev) diff --git a/drivers/iio/accel/stk8312.c b/drivers/iio/accel/stk8312.c index ceca28913355..7b1d6fb692b3 100644 --- a/drivers/iio/accel/stk8312.c +++ b/drivers/iio/accel/stk8312.c @@ -597,7 +597,7 @@ err_power_off: return ret; } -static int stk8312_remove(struct i2c_client *client) +static void stk8312_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct stk8312_data *data = iio_priv(indio_dev); @@ -609,8 +609,6 @@ static int stk8312_remove(struct i2c_client *client) iio_trigger_unregister(data->dready_trig); stk8312_set_mode(data, STK8312_MODE_STANDBY); - - return 0; } static int stk8312_suspend(struct device *dev) diff --git a/drivers/iio/accel/stk8ba50.c b/drivers/iio/accel/stk8ba50.c index 7d59efb41e22..2f5e4ab2a6e7 100644 --- a/drivers/iio/accel/stk8ba50.c +++ b/drivers/iio/accel/stk8ba50.c @@ -490,7 +490,7 @@ err_power_off: return ret; } -static int stk8ba50_remove(struct i2c_client *client) +static void stk8ba50_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct stk8ba50_data *data = iio_priv(indio_dev); @@ -502,8 +502,6 @@ static int stk8ba50_remove(struct i2c_client *client) iio_trigger_unregister(data->dready_trig); stk8ba50_set_power(data, STK8BA50_MODE_SUSPEND); - - return 0; } static int stk8ba50_suspend(struct device *dev) diff --git a/drivers/iio/adc/ad799x.c b/drivers/iio/adc/ad799x.c index 262bd7665b33..6dbe9d5e08a2 100644 --- a/drivers/iio/adc/ad799x.c +++ b/drivers/iio/adc/ad799x.c @@ -880,7 +880,7 @@ error_disable_reg: return ret; } -static int ad799x_remove(struct i2c_client *client) +static void ad799x_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct ad799x_state *st = iio_priv(indio_dev); @@ -892,8 +892,6 @@ static int ad799x_remove(struct i2c_client *client) regulator_disable(st->vref); regulator_disable(st->reg); kfree(st->rx_buf); - - return 0; } static int ad799x_suspend(struct device *dev) diff --git a/drivers/iio/adc/ina2xx-adc.c b/drivers/iio/adc/ina2xx-adc.c index 240e6c420701..910e7e965fc4 100644 --- a/drivers/iio/adc/ina2xx-adc.c +++ b/drivers/iio/adc/ina2xx-adc.c @@ -1034,7 +1034,7 @@ static int ina2xx_probe(struct i2c_client *client, return iio_device_register(indio_dev); } -static int ina2xx_remove(struct i2c_client *client) +static void ina2xx_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct ina2xx_chip_info *chip = iio_priv(indio_dev); @@ -1048,8 +1048,6 @@ static int ina2xx_remove(struct i2c_client *client) if (ret) dev_warn(&client->dev, "Failed to power down device (%pe)\n", ERR_PTR(ret)); - - return 0; } static const struct i2c_device_id ina2xx_id[] = { diff --git a/drivers/iio/adc/ltc2497.c b/drivers/iio/adc/ltc2497.c index f7c786f37ceb..d58a432bafe1 100644 --- a/drivers/iio/adc/ltc2497.c +++ b/drivers/iio/adc/ltc2497.c @@ -74,13 +74,11 @@ static int ltc2497_probe(struct i2c_client *client, return ltc2497core_probe(dev, indio_dev); } -static int ltc2497_remove(struct i2c_client *client) +static void ltc2497_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); ltc2497core_remove(indio_dev); - - return 0; } static const struct i2c_device_id ltc2497_id[] = { diff --git a/drivers/iio/adc/ti-ads1015.c b/drivers/iio/adc/ti-ads1015.c index e3dfc155fbe2..8bceba694026 100644 --- a/drivers/iio/adc/ti-ads1015.c +++ b/drivers/iio/adc/ti-ads1015.c @@ -1094,7 +1094,7 @@ static int ads1015_probe(struct i2c_client *client, return 0; } -static int ads1015_remove(struct i2c_client *client) +static void ads1015_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct ads1015_data *data = iio_priv(indio_dev); @@ -1110,8 +1110,6 @@ static int ads1015_remove(struct i2c_client *client) if (ret) dev_warn(&client->dev, "Failed to power down (%pe)\n", ERR_PTR(ret)); - - return 0; } #ifdef CONFIG_PM diff --git a/drivers/iio/chemical/atlas-sensor.c b/drivers/iio/chemical/atlas-sensor.c index 8378c00fa2ff..7cac77a931c7 100644 --- a/drivers/iio/chemical/atlas-sensor.c +++ b/drivers/iio/chemical/atlas-sensor.c @@ -722,7 +722,7 @@ unregister_trigger: return ret; } -static int atlas_remove(struct i2c_client *client) +static void atlas_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct atlas_data *data = iio_priv(indio_dev); @@ -739,8 +739,6 @@ static int atlas_remove(struct i2c_client *client) if (ret) dev_err(&client->dev, "Failed to power down device (%pe)\n", ERR_PTR(ret)); - - return 0; } static int atlas_runtime_suspend(struct device *dev) diff --git a/drivers/iio/chemical/ccs811.c b/drivers/iio/chemical/ccs811.c index 560183efb36f..ba4045e20303 100644 --- a/drivers/iio/chemical/ccs811.c +++ b/drivers/iio/chemical/ccs811.c @@ -532,7 +532,7 @@ err_poweroff: return ret; } -static int ccs811_remove(struct i2c_client *client) +static void ccs811_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct ccs811_data *data = iio_priv(indio_dev); @@ -548,8 +548,6 @@ static int ccs811_remove(struct i2c_client *client) if (ret) dev_warn(&client->dev, "Failed to power down device (%pe)\n", ERR_PTR(ret)); - - return 0; } static const struct i2c_device_id ccs811_id[] = { diff --git a/drivers/iio/chemical/sgp30.c b/drivers/iio/chemical/sgp30.c index 2343d444604d..e2c13c78c7e0 100644 --- a/drivers/iio/chemical/sgp30.c +++ b/drivers/iio/chemical/sgp30.c @@ -552,15 +552,13 @@ static int sgp_probe(struct i2c_client *client, return 0; } -static int sgp_remove(struct i2c_client *client) +static void sgp_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct sgp_data *data = iio_priv(indio_dev); if (data->iaq_thread) kthread_stop(data->iaq_thread); - - return 0; } static const struct i2c_device_id sgp_id[] = { diff --git a/drivers/iio/dac/ad5380.c b/drivers/iio/dac/ad5380.c index 81775152aac6..a81bfa47a221 100644 --- a/drivers/iio/dac/ad5380.c +++ b/drivers/iio/dac/ad5380.c @@ -559,11 +559,9 @@ static int ad5380_i2c_probe(struct i2c_client *i2c, return ad5380_probe(&i2c->dev, regmap, id->driver_data, id->name); } -static int ad5380_i2c_remove(struct i2c_client *i2c) +static void ad5380_i2c_remove(struct i2c_client *i2c) { ad5380_remove(&i2c->dev); - - return 0; } static const struct i2c_device_id ad5380_i2c_ids[] = { diff --git a/drivers/iio/dac/ad5446.c b/drivers/iio/dac/ad5446.c index 09e242949cd0..7324065d3782 100644 --- a/drivers/iio/dac/ad5446.c +++ b/drivers/iio/dac/ad5446.c @@ -575,11 +575,9 @@ static int ad5446_i2c_probe(struct i2c_client *i2c, &ad5446_i2c_chip_info[id->driver_data]); } -static int ad5446_i2c_remove(struct i2c_client *i2c) +static void ad5446_i2c_remove(struct i2c_client *i2c) { ad5446_remove(&i2c->dev); - - return 0; } static const struct i2c_device_id ad5446_i2c_ids[] = { diff --git a/drivers/iio/dac/ad5593r.c b/drivers/iio/dac/ad5593r.c index 34e1319a9712..92be661034a6 100644 --- a/drivers/iio/dac/ad5593r.c +++ b/drivers/iio/dac/ad5593r.c @@ -97,11 +97,9 @@ static int ad5593r_i2c_probe(struct i2c_client *i2c, return ad5592r_probe(&i2c->dev, id->name, &ad5593r_rw_ops); } -static int ad5593r_i2c_remove(struct i2c_client *i2c) +static void ad5593r_i2c_remove(struct i2c_client *i2c) { ad5592r_remove(&i2c->dev); - - return 0; } static const struct i2c_device_id ad5593r_i2c_ids[] = { diff --git a/drivers/iio/dac/ad5696-i2c.c b/drivers/iio/dac/ad5696-i2c.c index 762503c1901b..aa36cbf0137c 100644 --- a/drivers/iio/dac/ad5696-i2c.c +++ b/drivers/iio/dac/ad5696-i2c.c @@ -65,11 +65,9 @@ static int ad5686_i2c_probe(struct i2c_client *i2c, ad5686_i2c_write, ad5686_i2c_read); } -static int ad5686_i2c_remove(struct i2c_client *i2c) +static void ad5686_i2c_remove(struct i2c_client *i2c) { ad5686_remove(&i2c->dev); - - return 0; } static const struct i2c_device_id ad5686_i2c_id[] = { diff --git a/drivers/iio/dac/ds4424.c b/drivers/iio/dac/ds4424.c index 509394690bcc..3e17a681174e 100644 --- a/drivers/iio/dac/ds4424.c +++ b/drivers/iio/dac/ds4424.c @@ -281,15 +281,13 @@ fail: return ret; } -static int ds4424_remove(struct i2c_client *client) +static void ds4424_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct ds4424_data *data = iio_priv(indio_dev); iio_device_unregister(indio_dev); regulator_disable(data->vcc_reg); - - return 0; } static const struct i2c_device_id ds4424_id[] = { diff --git a/drivers/iio/dac/m62332.c b/drivers/iio/dac/m62332.c index 22b02f50fe41..5a812f87970c 100644 --- a/drivers/iio/dac/m62332.c +++ b/drivers/iio/dac/m62332.c @@ -218,7 +218,7 @@ err: return ret; } -static int m62332_remove(struct i2c_client *client) +static void m62332_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); @@ -226,8 +226,6 @@ static int m62332_remove(struct i2c_client *client) iio_map_array_unregister(indio_dev); m62332_set_value(indio_dev, 0, 0); m62332_set_value(indio_dev, 0, 1); - - return 0; } static const struct i2c_device_id m62332_id[] = { diff --git a/drivers/iio/dac/mcp4725.c b/drivers/iio/dac/mcp4725.c index bb4b85a7b95b..446d1a8fe4be 100644 --- a/drivers/iio/dac/mcp4725.c +++ b/drivers/iio/dac/mcp4725.c @@ -486,7 +486,7 @@ err_disable_vdd_reg: return err; } -static int mcp4725_remove(struct i2c_client *client) +static void mcp4725_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct mcp4725_data *data = iio_priv(indio_dev); @@ -496,8 +496,6 @@ static int mcp4725_remove(struct i2c_client *client) if (data->vref_reg) regulator_disable(data->vref_reg); regulator_disable(data->vdd_reg); - - return 0; } static const struct i2c_device_id mcp4725_id[] = { diff --git a/drivers/iio/dac/ti-dac5571.c b/drivers/iio/dac/ti-dac5571.c index f91f8a504989..3210e3098f9a 100644 --- a/drivers/iio/dac/ti-dac5571.c +++ b/drivers/iio/dac/ti-dac5571.c @@ -382,15 +382,13 @@ static int dac5571_probe(struct i2c_client *client, return ret; } -static int dac5571_remove(struct i2c_client *i2c) +static void dac5571_remove(struct i2c_client *i2c) { struct iio_dev *indio_dev = i2c_get_clientdata(i2c); struct dac5571_data *data = iio_priv(indio_dev); iio_device_unregister(indio_dev); regulator_disable(data->vref); - - return 0; } static const struct of_device_id dac5571_of_id[] = { diff --git a/drivers/iio/gyro/bmg160_i2c.c b/drivers/iio/gyro/bmg160_i2c.c index b3fa46bd02cb..908ccc385254 100644 --- a/drivers/iio/gyro/bmg160_i2c.c +++ b/drivers/iio/gyro/bmg160_i2c.c @@ -32,11 +32,9 @@ static int bmg160_i2c_probe(struct i2c_client *client, return bmg160_core_probe(&client->dev, regmap, client->irq, name); } -static int bmg160_i2c_remove(struct i2c_client *client) +static void bmg160_i2c_remove(struct i2c_client *client) { bmg160_core_remove(&client->dev); - - return 0; } static const struct acpi_device_id bmg160_acpi_match[] = { diff --git a/drivers/iio/gyro/fxas21002c_i2c.c b/drivers/iio/gyro/fxas21002c_i2c.c index a7807fd97483..13bb52c594d1 100644 --- a/drivers/iio/gyro/fxas21002c_i2c.c +++ b/drivers/iio/gyro/fxas21002c_i2c.c @@ -33,11 +33,9 @@ static int fxas21002c_i2c_probe(struct i2c_client *i2c) return fxas21002c_core_probe(&i2c->dev, regmap, i2c->irq, i2c->name); } -static int fxas21002c_i2c_remove(struct i2c_client *i2c) +static void fxas21002c_i2c_remove(struct i2c_client *i2c) { fxas21002c_core_remove(&i2c->dev); - - return 0; } static const struct i2c_device_id fxas21002c_i2c_id[] = { diff --git a/drivers/iio/gyro/itg3200_core.c b/drivers/iio/gyro/itg3200_core.c index 0491c64e1b32..421501584587 100644 --- a/drivers/iio/gyro/itg3200_core.c +++ b/drivers/iio/gyro/itg3200_core.c @@ -350,7 +350,7 @@ error_unconfigure_buffer: return ret; } -static int itg3200_remove(struct i2c_client *client) +static void itg3200_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); @@ -360,8 +360,6 @@ static int itg3200_remove(struct i2c_client *client) itg3200_remove_trigger(indio_dev); itg3200_buffer_unconfigure(indio_dev); - - return 0; } static int itg3200_suspend(struct device *dev) diff --git a/drivers/iio/gyro/mpu3050-i2c.c b/drivers/iio/gyro/mpu3050-i2c.c index 78f4a0102986..12e3afa9dd11 100644 --- a/drivers/iio/gyro/mpu3050-i2c.c +++ b/drivers/iio/gyro/mpu3050-i2c.c @@ -78,7 +78,7 @@ static int mpu3050_i2c_probe(struct i2c_client *client, return 0; } -static int mpu3050_i2c_remove(struct i2c_client *client) +static void mpu3050_i2c_remove(struct i2c_client *client) { struct iio_dev *indio_dev = dev_get_drvdata(&client->dev); struct mpu3050 *mpu3050 = iio_priv(indio_dev); @@ -87,8 +87,6 @@ static int mpu3050_i2c_remove(struct i2c_client *client) i2c_mux_del_adapters(mpu3050->i2cmux); mpu3050_common_remove(&client->dev); - - return 0; } /* diff --git a/drivers/iio/health/afe4404.c b/drivers/iio/health/afe4404.c index dd7800159051..8fca787b2524 100644 --- a/drivers/iio/health/afe4404.c +++ b/drivers/iio/health/afe4404.c @@ -578,7 +578,7 @@ disable_reg: return ret; } -static int afe4404_remove(struct i2c_client *client) +static void afe4404_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct afe4404_data *afe = iio_priv(indio_dev); @@ -594,8 +594,6 @@ static int afe4404_remove(struct i2c_client *client) ret = regulator_disable(afe->regulator); if (ret) dev_err(afe->dev, "Unable to disable regulator\n"); - - return 0; } static const struct i2c_device_id afe4404_ids[] = { diff --git a/drivers/iio/health/max30100.c b/drivers/iio/health/max30100.c index ad5717965223..2cca5e0519f8 100644 --- a/drivers/iio/health/max30100.c +++ b/drivers/iio/health/max30100.c @@ -471,15 +471,13 @@ static int max30100_probe(struct i2c_client *client, return iio_device_register(indio_dev); } -static int max30100_remove(struct i2c_client *client) +static void max30100_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct max30100_data *data = iio_priv(indio_dev); iio_device_unregister(indio_dev); max30100_set_powermode(data, false); - - return 0; } static const struct i2c_device_id max30100_id[] = { diff --git a/drivers/iio/health/max30102.c b/drivers/iio/health/max30102.c index abbcef563807..437298a29f2d 100644 --- a/drivers/iio/health/max30102.c +++ b/drivers/iio/health/max30102.c @@ -592,15 +592,13 @@ static int max30102_probe(struct i2c_client *client, return iio_device_register(indio_dev); } -static int max30102_remove(struct i2c_client *client) +static void max30102_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct max30102_data *data = iio_priv(indio_dev); iio_device_unregister(indio_dev); max30102_set_power(data, false); - - return 0; } static const struct i2c_device_id max30102_id[] = { diff --git a/drivers/iio/humidity/hdc2010.c b/drivers/iio/humidity/hdc2010.c index 1381df46187c..d6858ccb056e 100644 --- a/drivers/iio/humidity/hdc2010.c +++ b/drivers/iio/humidity/hdc2010.c @@ -308,7 +308,7 @@ static int hdc2010_probe(struct i2c_client *client, return iio_device_register(indio_dev); } -static int hdc2010_remove(struct i2c_client *client) +static void hdc2010_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct hdc2010_data *data = iio_priv(indio_dev); @@ -318,8 +318,6 @@ static int hdc2010_remove(struct i2c_client *client) /* Disable Automatic Measurement Mode */ if (hdc2010_update_drdy_config(data, HDC2010_AMM, 0)) dev_warn(&client->dev, "Unable to restore default AMM\n"); - - return 0; } static const struct i2c_device_id hdc2010_id[] = { diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c index 2aa647704a79..14255a918eb1 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c @@ -157,7 +157,7 @@ out_del_mux: return result; } -static int inv_mpu_remove(struct i2c_client *client) +static void inv_mpu_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct inv_mpu6050_state *st = iio_priv(indio_dev); @@ -166,8 +166,6 @@ static int inv_mpu_remove(struct i2c_client *client) inv_mpu_acpi_delete_mux_client(client); i2c_mux_del_adapters(st->muxc); } - - return 0; } /* diff --git a/drivers/iio/imu/kmx61.c b/drivers/iio/imu/kmx61.c index ec23b1ee472b..b10c0dcac0bb 100644 --- a/drivers/iio/imu/kmx61.c +++ b/drivers/iio/imu/kmx61.c @@ -1418,7 +1418,7 @@ err_chip_uninit: return ret; } -static int kmx61_remove(struct i2c_client *client) +static void kmx61_remove(struct i2c_client *client) { struct kmx61_data *data = i2c_get_clientdata(client); @@ -1439,8 +1439,6 @@ static int kmx61_remove(struct i2c_client *client) mutex_lock(&data->lock); kmx61_set_mode(data, KMX61_ALL_STBY, KMX61_ACC | KMX61_MAG, true); mutex_unlock(&data->lock); - - return 0; } static int kmx61_suspend(struct device *dev) diff --git a/drivers/iio/light/apds9300.c b/drivers/iio/light/apds9300.c index 0f9d77598997..b70f2681bcb3 100644 --- a/drivers/iio/light/apds9300.c +++ b/drivers/iio/light/apds9300.c @@ -452,7 +452,7 @@ err: return ret; } -static int apds9300_remove(struct i2c_client *client) +static void apds9300_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct apds9300_data *data = iio_priv(indio_dev); @@ -462,8 +462,6 @@ static int apds9300_remove(struct i2c_client *client) /* Ensure that power off and interrupts are disabled */ apds9300_set_intr_state(data, 0); apds9300_set_power_state(data, 0); - - return 0; } static int apds9300_suspend(struct device *dev) diff --git a/drivers/iio/light/apds9960.c b/drivers/iio/light/apds9960.c index 09b831f9f40b..b62c139baf41 100644 --- a/drivers/iio/light/apds9960.c +++ b/drivers/iio/light/apds9960.c @@ -1067,7 +1067,7 @@ error_power_down: return ret; } -static int apds9960_remove(struct i2c_client *client) +static void apds9960_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct apds9960_data *data = iio_priv(indio_dev); @@ -1076,8 +1076,6 @@ static int apds9960_remove(struct i2c_client *client) pm_runtime_disable(&client->dev); pm_runtime_set_suspended(&client->dev); apds9960_set_powermode(data, 0); - - return 0; } #ifdef CONFIG_PM diff --git a/drivers/iio/light/bh1750.c b/drivers/iio/light/bh1750.c index 471985c220bb..3e92820bc820 100644 --- a/drivers/iio/light/bh1750.c +++ b/drivers/iio/light/bh1750.c @@ -263,7 +263,7 @@ static int bh1750_probe(struct i2c_client *client, return iio_device_register(indio_dev); } -static int bh1750_remove(struct i2c_client *client) +static void bh1750_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct bh1750_data *data = iio_priv(indio_dev); @@ -273,8 +273,6 @@ static int bh1750_remove(struct i2c_client *client) mutex_lock(&data->lock); i2c_smbus_write_byte(client, BH1750_POWER_DOWN); mutex_unlock(&data->lock); - - return 0; } static int bh1750_suspend(struct device *dev) diff --git a/drivers/iio/light/bh1780.c b/drivers/iio/light/bh1780.c index fc7141390117..90bca392b262 100644 --- a/drivers/iio/light/bh1780.c +++ b/drivers/iio/light/bh1780.c @@ -202,7 +202,7 @@ out_disable_pm: return ret; } -static int bh1780_remove(struct i2c_client *client) +static void bh1780_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct bh1780_data *bh1780 = iio_priv(indio_dev); @@ -216,8 +216,6 @@ static int bh1780_remove(struct i2c_client *client) if (ret < 0) dev_err(&client->dev, "failed to power off (%pe)\n", ERR_PTR(ret)); - - return 0; } static int bh1780_runtime_suspend(struct device *dev) diff --git a/drivers/iio/light/cm3232.c b/drivers/iio/light/cm3232.c index 2c80a0535d2c..5214cd014cf8 100644 --- a/drivers/iio/light/cm3232.c +++ b/drivers/iio/light/cm3232.c @@ -357,7 +357,7 @@ static int cm3232_probe(struct i2c_client *client, return iio_device_register(indio_dev); } -static int cm3232_remove(struct i2c_client *client) +static void cm3232_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); @@ -365,8 +365,6 @@ static int cm3232_remove(struct i2c_client *client) CM3232_CMD_ALS_DISABLE); iio_device_unregister(indio_dev); - - return 0; } static const struct i2c_device_id cm3232_id[] = { diff --git a/drivers/iio/light/cm36651.c b/drivers/iio/light/cm36651.c index 89f5e48a6642..6615c98b601c 100644 --- a/drivers/iio/light/cm36651.c +++ b/drivers/iio/light/cm36651.c @@ -700,7 +700,7 @@ error_disable_reg: return ret; } -static int cm36651_remove(struct i2c_client *client) +static void cm36651_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct cm36651_data *cm36651 = iio_priv(indio_dev); @@ -710,8 +710,6 @@ static int cm36651_remove(struct i2c_client *client) free_irq(client->irq, indio_dev); i2c_unregister_device(cm36651->ps_client); i2c_unregister_device(cm36651->ara_client); - - return 0; } static const struct i2c_device_id cm36651_id[] = { diff --git a/drivers/iio/light/gp2ap002.c b/drivers/iio/light/gp2ap002.c index e2707416f9a8..8000fa347344 100644 --- a/drivers/iio/light/gp2ap002.c +++ b/drivers/iio/light/gp2ap002.c @@ -619,7 +619,7 @@ out_disable_vdd: return ret; } -static int gp2ap002_remove(struct i2c_client *client) +static void gp2ap002_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct gp2ap002 *gp2ap002 = iio_priv(indio_dev); @@ -631,8 +631,6 @@ static int gp2ap002_remove(struct i2c_client *client) iio_device_unregister(indio_dev); regulator_disable(gp2ap002->vio); regulator_disable(gp2ap002->vdd); - - return 0; } static int gp2ap002_runtime_suspend(struct device *dev) diff --git a/drivers/iio/light/gp2ap020a00f.c b/drivers/iio/light/gp2ap020a00f.c index b820041159f7..826439299e8b 100644 --- a/drivers/iio/light/gp2ap020a00f.c +++ b/drivers/iio/light/gp2ap020a00f.c @@ -1573,7 +1573,7 @@ error_regulator_disable: return err; } -static int gp2ap020a00f_remove(struct i2c_client *client) +static void gp2ap020a00f_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct gp2ap020a00f_data *data = iio_priv(indio_dev); @@ -1589,8 +1589,6 @@ static int gp2ap020a00f_remove(struct i2c_client *client) free_irq(client->irq, indio_dev); iio_triggered_buffer_cleanup(indio_dev); regulator_disable(data->vled_reg); - - return 0; } static const struct i2c_device_id gp2ap020a00f_id[] = { diff --git a/drivers/iio/light/isl29028.c b/drivers/iio/light/isl29028.c index ff5996d77818..32d58e18f26d 100644 --- a/drivers/iio/light/isl29028.c +++ b/drivers/iio/light/isl29028.c @@ -636,7 +636,7 @@ static int isl29028_probe(struct i2c_client *client, return 0; } -static int isl29028_remove(struct i2c_client *client) +static void isl29028_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct isl29028_chip *chip = iio_priv(indio_dev); @@ -647,8 +647,6 @@ static int isl29028_remove(struct i2c_client *client) pm_runtime_set_suspended(&client->dev); isl29028_clear_configure_reg(chip); - - return 0; } static int isl29028_suspend(struct device *dev) diff --git a/drivers/iio/light/isl29125.c b/drivers/iio/light/isl29125.c index eb68a52aab82..c199e63cce82 100644 --- a/drivers/iio/light/isl29125.c +++ b/drivers/iio/light/isl29125.c @@ -300,15 +300,13 @@ static int isl29125_powerdown(struct isl29125_data *data) (data->conf1 & ~ISL29125_MODE_MASK) | ISL29125_MODE_PD); } -static int isl29125_remove(struct i2c_client *client) +static void isl29125_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); iio_device_unregister(indio_dev); iio_triggered_buffer_cleanup(indio_dev); isl29125_powerdown(iio_priv(indio_dev)); - - return 0; } static int isl29125_suspend(struct device *dev) diff --git a/drivers/iio/light/jsa1212.c b/drivers/iio/light/jsa1212.c index 5387c12231cf..57ce6d75966c 100644 --- a/drivers/iio/light/jsa1212.c +++ b/drivers/iio/light/jsa1212.c @@ -373,7 +373,7 @@ static int jsa1212_power_off(struct jsa1212_data *data) return ret; } -static int jsa1212_remove(struct i2c_client *client) +static void jsa1212_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct jsa1212_data *data = iio_priv(indio_dev); @@ -381,8 +381,6 @@ static int jsa1212_remove(struct i2c_client *client) iio_device_unregister(indio_dev); jsa1212_power_off(data); - - return 0; } static int jsa1212_suspend(struct device *dev) diff --git a/drivers/iio/light/ltr501.c b/drivers/iio/light/ltr501.c index 679a1e1086ae..74a1ccda8b9c 100644 --- a/drivers/iio/light/ltr501.c +++ b/drivers/iio/light/ltr501.c @@ -1600,15 +1600,13 @@ powerdown_on_error: return ret; } -static int ltr501_remove(struct i2c_client *client) +static void ltr501_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); iio_device_unregister(indio_dev); iio_triggered_buffer_cleanup(indio_dev); ltr501_powerdown(iio_priv(indio_dev)); - - return 0; } static int ltr501_suspend(struct device *dev) diff --git a/drivers/iio/light/opt3001.c b/drivers/iio/light/opt3001.c index a326d47afc9b..a26d1c3f9543 100644 --- a/drivers/iio/light/opt3001.c +++ b/drivers/iio/light/opt3001.c @@ -794,7 +794,7 @@ static int opt3001_probe(struct i2c_client *client, return 0; } -static int opt3001_remove(struct i2c_client *client) +static void opt3001_remove(struct i2c_client *client) { struct iio_dev *iio = i2c_get_clientdata(client); struct opt3001 *opt = iio_priv(iio); @@ -808,7 +808,7 @@ static int opt3001_remove(struct i2c_client *client) if (ret < 0) { dev_err(opt->dev, "failed to read register %02x\n", OPT3001_CONFIGURATION); - return 0; + return; } reg = ret; @@ -820,8 +820,6 @@ static int opt3001_remove(struct i2c_client *client) dev_err(opt->dev, "failed to write register %02x\n", OPT3001_CONFIGURATION); } - - return 0; } static const struct i2c_device_id opt3001_id[] = { diff --git a/drivers/iio/light/pa12203001.c b/drivers/iio/light/pa12203001.c index 772874e707ae..3cb2de51f4aa 100644 --- a/drivers/iio/light/pa12203001.c +++ b/drivers/iio/light/pa12203001.c @@ -394,7 +394,7 @@ out_err: return ret; } -static int pa12203001_remove(struct i2c_client *client) +static void pa12203001_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); int ret; @@ -408,8 +408,6 @@ static int pa12203001_remove(struct i2c_client *client) if (ret) dev_warn(&client->dev, "Failed to power down (%pe)\n", ERR_PTR(ret)); - - return 0; } #if defined(CONFIG_PM_SLEEP) || defined(CONFIG_PM) diff --git a/drivers/iio/light/rpr0521.c b/drivers/iio/light/rpr0521.c index dabdd05f0e2c..d1c16dd76058 100644 --- a/drivers/iio/light/rpr0521.c +++ b/drivers/iio/light/rpr0521.c @@ -1041,7 +1041,7 @@ err_poweroff: return ret; } -static int rpr0521_remove(struct i2c_client *client) +static void rpr0521_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); @@ -1051,8 +1051,6 @@ static int rpr0521_remove(struct i2c_client *client) pm_runtime_set_suspended(&client->dev); rpr0521_poweroff(iio_priv(indio_dev)); - - return 0; } static int rpr0521_runtime_suspend(struct device *dev) diff --git a/drivers/iio/light/stk3310.c b/drivers/iio/light/stk3310.c index f7cc7a6c0c8d..7b8e0da6aabc 100644 --- a/drivers/iio/light/stk3310.c +++ b/drivers/iio/light/stk3310.c @@ -649,14 +649,12 @@ err_standby: return ret; } -static int stk3310_remove(struct i2c_client *client) +static void stk3310_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); iio_device_unregister(indio_dev); stk3310_set_state(iio_priv(indio_dev), STK3310_STATE_STANDBY); - - return 0; } static int stk3310_suspend(struct device *dev) diff --git a/drivers/iio/light/tcs3472.c b/drivers/iio/light/tcs3472.c index 823435f59bb6..db17fec634be 100644 --- a/drivers/iio/light/tcs3472.c +++ b/drivers/iio/light/tcs3472.c @@ -559,7 +559,7 @@ static int tcs3472_powerdown(struct tcs3472_data *data) return ret; } -static int tcs3472_remove(struct i2c_client *client) +static void tcs3472_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); @@ -568,8 +568,6 @@ static int tcs3472_remove(struct i2c_client *client) free_irq(client->irq, indio_dev); iio_triggered_buffer_cleanup(indio_dev); tcs3472_powerdown(iio_priv(indio_dev)); - - return 0; } static int tcs3472_suspend(struct device *dev) diff --git a/drivers/iio/light/tsl2563.c b/drivers/iio/light/tsl2563.c index bbb577459fb9..951f35ef3f41 100644 --- a/drivers/iio/light/tsl2563.c +++ b/drivers/iio/light/tsl2563.c @@ -796,7 +796,7 @@ fail: return err; } -static int tsl2563_remove(struct i2c_client *client) +static void tsl2563_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct tsl2563_chip *chip = iio_priv(indio_dev); @@ -809,8 +809,6 @@ static int tsl2563_remove(struct i2c_client *client) i2c_smbus_write_byte_data(chip->client, TSL2563_CMD | TSL2563_REG_INT, chip->intr); tsl2563_set_power(chip, 0); - - return 0; } static int tsl2563_suspend(struct device *dev) diff --git a/drivers/iio/light/tsl2583.c b/drivers/iio/light/tsl2583.c index 82662dab87c0..0a2ca1a8146d 100644 --- a/drivers/iio/light/tsl2583.c +++ b/drivers/iio/light/tsl2583.c @@ -873,7 +873,7 @@ static int tsl2583_probe(struct i2c_client *clientp, return 0; } -static int tsl2583_remove(struct i2c_client *client) +static void tsl2583_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct tsl2583_chip *chip = iio_priv(indio_dev); @@ -884,8 +884,6 @@ static int tsl2583_remove(struct i2c_client *client) pm_runtime_set_suspended(&client->dev); tsl2583_set_power_state(chip, TSL2583_CNTL_PWR_OFF); - - return 0; } static int tsl2583_suspend(struct device *dev) diff --git a/drivers/iio/light/tsl4531.c b/drivers/iio/light/tsl4531.c index 6ae1b27e50b6..090038fed889 100644 --- a/drivers/iio/light/tsl4531.c +++ b/drivers/iio/light/tsl4531.c @@ -207,12 +207,10 @@ static int tsl4531_powerdown(struct i2c_client *client) TSL4531_MODE_POWERDOWN); } -static int tsl4531_remove(struct i2c_client *client) +static void tsl4531_remove(struct i2c_client *client) { iio_device_unregister(i2c_get_clientdata(client)); tsl4531_powerdown(client); - - return 0; } static int tsl4531_suspend(struct device *dev) diff --git a/drivers/iio/light/us5182d.c b/drivers/iio/light/us5182d.c index 80d2299da561..3e652d7f3b0e 100644 --- a/drivers/iio/light/us5182d.c +++ b/drivers/iio/light/us5182d.c @@ -904,7 +904,7 @@ out_err: } -static int us5182d_remove(struct i2c_client *client) +static void us5182d_remove(struct i2c_client *client) { struct us5182d_data *data = iio_priv(i2c_get_clientdata(client)); int ret; @@ -918,8 +918,6 @@ static int us5182d_remove(struct i2c_client *client) if (ret) dev_warn(&client->dev, "Failed to shut down (%pe)\n", ERR_PTR(ret)); - - return 0; } static int us5182d_suspend(struct device *dev) diff --git a/drivers/iio/light/vcnl4000.c b/drivers/iio/light/vcnl4000.c index 3db4e26731bb..f6c83ecaad8b 100644 --- a/drivers/iio/light/vcnl4000.c +++ b/drivers/iio/light/vcnl4000.c @@ -1111,7 +1111,7 @@ static const struct of_device_id vcnl_4000_of_match[] = { }; MODULE_DEVICE_TABLE(of, vcnl_4000_of_match); -static int vcnl4000_remove(struct i2c_client *client) +static void vcnl4000_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct vcnl4000_data *data = iio_priv(indio_dev); @@ -1126,8 +1126,6 @@ static int vcnl4000_remove(struct i2c_client *client) if (ret) dev_warn(&client->dev, "Failed to power down (%pe)\n", ERR_PTR(ret)); - - return 0; } static int vcnl4000_runtime_suspend(struct device *dev) diff --git a/drivers/iio/light/vcnl4035.c b/drivers/iio/light/vcnl4035.c index 6a196cf2270b..3ed37f6057fb 100644 --- a/drivers/iio/light/vcnl4035.c +++ b/drivers/iio/light/vcnl4035.c @@ -601,7 +601,7 @@ fail_poweroff: return ret; } -static int vcnl4035_remove(struct i2c_client *client) +static void vcnl4035_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); int ret; @@ -616,8 +616,6 @@ static int vcnl4035_remove(struct i2c_client *client) if (ret) dev_warn(&client->dev, "Failed to put device into standby (%pe)\n", ERR_PTR(ret)); - - return 0; } static int vcnl4035_runtime_suspend(struct device *dev) diff --git a/drivers/iio/light/veml6070.c b/drivers/iio/light/veml6070.c index 1e55e09a8d16..cfa4e9e7c803 100644 --- a/drivers/iio/light/veml6070.c +++ b/drivers/iio/light/veml6070.c @@ -180,15 +180,13 @@ fail: return ret; } -static int veml6070_remove(struct i2c_client *client) +static void veml6070_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct veml6070_data *data = iio_priv(indio_dev); iio_device_unregister(indio_dev); i2c_unregister_device(data->client2); - - return 0; } static const struct i2c_device_id veml6070_id[] = { diff --git a/drivers/iio/magnetometer/ak8974.c b/drivers/iio/magnetometer/ak8974.c index c89a91db0690..7ec9ab3beb45 100644 --- a/drivers/iio/magnetometer/ak8974.c +++ b/drivers/iio/magnetometer/ak8974.c @@ -969,7 +969,7 @@ disable_pm: return ret; } -static int ak8974_remove(struct i2c_client *i2c) +static void ak8974_remove(struct i2c_client *i2c) { struct iio_dev *indio_dev = i2c_get_clientdata(i2c); struct ak8974 *ak8974 = iio_priv(indio_dev); @@ -981,8 +981,6 @@ static int ak8974_remove(struct i2c_client *i2c) pm_runtime_disable(&i2c->dev); ak8974_set_power(ak8974, AK8974_PWR_OFF); regulator_bulk_disable(ARRAY_SIZE(ak8974->regs), ak8974->regs); - - return 0; } static int ak8974_runtime_suspend(struct device *dev) diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c index 2432e697150c..caf03a2a98a5 100644 --- a/drivers/iio/magnetometer/ak8975.c +++ b/drivers/iio/magnetometer/ak8975.c @@ -1018,7 +1018,7 @@ power_off: return err; } -static int ak8975_remove(struct i2c_client *client) +static void ak8975_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct ak8975_data *data = iio_priv(indio_dev); @@ -1030,8 +1030,6 @@ static int ak8975_remove(struct i2c_client *client) iio_triggered_buffer_cleanup(indio_dev); ak8975_set_mode(data, POWER_DOWN); ak8975_power_off(data); - - return 0; } static int ak8975_runtime_suspend(struct device *dev) diff --git a/drivers/iio/magnetometer/bmc150_magn_i2c.c b/drivers/iio/magnetometer/bmc150_magn_i2c.c index 65c004411d0f..570deaa87836 100644 --- a/drivers/iio/magnetometer/bmc150_magn_i2c.c +++ b/drivers/iio/magnetometer/bmc150_magn_i2c.c @@ -34,11 +34,9 @@ static int bmc150_magn_i2c_probe(struct i2c_client *client, return bmc150_magn_probe(&client->dev, regmap, client->irq, name); } -static int bmc150_magn_i2c_remove(struct i2c_client *client) +static void bmc150_magn_i2c_remove(struct i2c_client *client) { bmc150_magn_remove(&client->dev); - - return 0; } static const struct acpi_device_id bmc150_magn_acpi_match[] = { diff --git a/drivers/iio/magnetometer/hmc5843_i2c.c b/drivers/iio/magnetometer/hmc5843_i2c.c index 8d2ff8fc204d..fe5e8415b2f2 100644 --- a/drivers/iio/magnetometer/hmc5843_i2c.c +++ b/drivers/iio/magnetometer/hmc5843_i2c.c @@ -65,11 +65,9 @@ static int hmc5843_i2c_probe(struct i2c_client *cli, id->driver_data, id->name); } -static int hmc5843_i2c_remove(struct i2c_client *client) +static void hmc5843_i2c_remove(struct i2c_client *client) { hmc5843_common_remove(&client->dev); - - return 0; } static const struct i2c_device_id hmc5843_id[] = { diff --git a/drivers/iio/magnetometer/mag3110.c b/drivers/iio/magnetometer/mag3110.c index 226439d0bfb5..b870ad803862 100644 --- a/drivers/iio/magnetometer/mag3110.c +++ b/drivers/iio/magnetometer/mag3110.c @@ -559,7 +559,7 @@ disable_regulator_vdd: return ret; } -static int mag3110_remove(struct i2c_client *client) +static void mag3110_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct mag3110_data *data = iio_priv(indio_dev); @@ -569,8 +569,6 @@ static int mag3110_remove(struct i2c_client *client) mag3110_standby(iio_priv(indio_dev)); regulator_disable(data->vddio_reg); regulator_disable(data->vdd_reg); - - return 0; } static int mag3110_suspend(struct device *dev) diff --git a/drivers/iio/magnetometer/yamaha-yas530.c b/drivers/iio/magnetometer/yamaha-yas530.c index aeaa4da6923b..c3a10942654e 100644 --- a/drivers/iio/magnetometer/yamaha-yas530.c +++ b/drivers/iio/magnetometer/yamaha-yas530.c @@ -943,7 +943,7 @@ reg_off: return ret; } -static int yas5xx_remove(struct i2c_client *i2c) +static void yas5xx_remove(struct i2c_client *i2c) { struct iio_dev *indio_dev = i2c_get_clientdata(i2c); struct yas5xx *yas5xx = iio_priv(indio_dev); @@ -961,8 +961,6 @@ static int yas5xx_remove(struct i2c_client *i2c) pm_runtime_disable(dev); gpiod_set_value_cansleep(yas5xx->reset, 1); regulator_bulk_disable(ARRAY_SIZE(yas5xx->regs), yas5xx->regs); - - return 0; } static int yas5xx_runtime_suspend(struct device *dev) diff --git a/drivers/iio/potentiostat/lmp91000.c b/drivers/iio/potentiostat/lmp91000.c index fe514f0b5506..5ec7060d31d9 100644 --- a/drivers/iio/potentiostat/lmp91000.c +++ b/drivers/iio/potentiostat/lmp91000.c @@ -384,7 +384,7 @@ error_unreg_trigger: return ret; } -static int lmp91000_remove(struct i2c_client *client) +static void lmp91000_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct lmp91000_data *data = iio_priv(indio_dev); @@ -396,8 +396,6 @@ static int lmp91000_remove(struct i2c_client *client) iio_triggered_buffer_cleanup(indio_dev); iio_trigger_unregister(data->trig); - - return 0; } static const struct of_device_id lmp91000_of_match[] = { diff --git a/drivers/iio/pressure/mpl3115.c b/drivers/iio/pressure/mpl3115.c index d4f89e4babed..2f22aba61e4d 100644 --- a/drivers/iio/pressure/mpl3115.c +++ b/drivers/iio/pressure/mpl3115.c @@ -290,15 +290,13 @@ static int mpl3115_standby(struct mpl3115_data *data) data->ctrl_reg1 & ~MPL3115_CTRL_ACTIVE); } -static int mpl3115_remove(struct i2c_client *client) +static void mpl3115_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); iio_device_unregister(indio_dev); iio_triggered_buffer_cleanup(indio_dev); mpl3115_standby(iio_priv(indio_dev)); - - return 0; } static int mpl3115_suspend(struct device *dev) diff --git a/drivers/iio/pressure/ms5611_i2c.c b/drivers/iio/pressure/ms5611_i2c.c index 3b1de71e0d15..b681a4183909 100644 --- a/drivers/iio/pressure/ms5611_i2c.c +++ b/drivers/iio/pressure/ms5611_i2c.c @@ -105,11 +105,9 @@ static int ms5611_i2c_probe(struct i2c_client *client, return ms5611_probe(indio_dev, &client->dev, id->name, id->driver_data); } -static int ms5611_i2c_remove(struct i2c_client *client) +static void ms5611_i2c_remove(struct i2c_client *client) { ms5611_remove(i2c_get_clientdata(client)); - - return 0; } static const struct of_device_id ms5611_i2c_matches[] = { diff --git a/drivers/iio/pressure/zpa2326_i2c.c b/drivers/iio/pressure/zpa2326_i2c.c index 0db0860d386b..f26dd8cbb387 100644 --- a/drivers/iio/pressure/zpa2326_i2c.c +++ b/drivers/iio/pressure/zpa2326_i2c.c @@ -53,11 +53,9 @@ static int zpa2326_probe_i2c(struct i2c_client *client, zpa2326_i2c_hwid(client), regmap); } -static int zpa2326_remove_i2c(struct i2c_client *client) +static void zpa2326_remove_i2c(struct i2c_client *client) { zpa2326_remove(&client->dev); - - return 0; } static const struct i2c_device_id zpa2326_i2c_ids[] = { diff --git a/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c b/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c index 648ae576d6fa..791a33d5286c 100644 --- a/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c +++ b/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c @@ -311,7 +311,7 @@ error_unreg_buffer: return ret; } -static int lidar_remove(struct i2c_client *client) +static void lidar_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); @@ -320,8 +320,6 @@ static int lidar_remove(struct i2c_client *client) pm_runtime_disable(&client->dev); pm_runtime_set_suspended(&client->dev); - - return 0; } static const struct i2c_device_id lidar_id[] = { diff --git a/drivers/iio/proximity/sx9500.c b/drivers/iio/proximity/sx9500.c index 42589d6200ad..d4670864ddc7 100644 --- a/drivers/iio/proximity/sx9500.c +++ b/drivers/iio/proximity/sx9500.c @@ -979,7 +979,7 @@ out_trigger_unregister: return ret; } -static int sx9500_remove(struct i2c_client *client) +static void sx9500_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct sx9500_data *data = iio_priv(indio_dev); @@ -989,8 +989,6 @@ static int sx9500_remove(struct i2c_client *client) if (client->irq > 0) iio_trigger_unregister(data->trig); kfree(data->buffer); - - return 0; } static int sx9500_suspend(struct device *dev) diff --git a/drivers/iio/temperature/mlx90614.c b/drivers/iio/temperature/mlx90614.c index c253a5315988..0808bb865928 100644 --- a/drivers/iio/temperature/mlx90614.c +++ b/drivers/iio/temperature/mlx90614.c @@ -571,7 +571,7 @@ static int mlx90614_probe(struct i2c_client *client, return iio_device_register(indio_dev); } -static int mlx90614_remove(struct i2c_client *client) +static void mlx90614_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct mlx90614_data *data = iio_priv(indio_dev); @@ -584,8 +584,6 @@ static int mlx90614_remove(struct i2c_client *client) mlx90614_sleep(data); pm_runtime_set_suspended(&client->dev); } - - return 0; } static const struct i2c_device_id mlx90614_id[] = { diff --git a/drivers/iio/temperature/mlx90632.c b/drivers/iio/temperature/mlx90632.c index 7ee7ff8047a4..e8ef47147e2b 100644 --- a/drivers/iio/temperature/mlx90632.c +++ b/drivers/iio/temperature/mlx90632.c @@ -924,7 +924,7 @@ static int mlx90632_probe(struct i2c_client *client, return iio_device_register(indio_dev); } -static int mlx90632_remove(struct i2c_client *client) +static void mlx90632_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); struct mlx90632_data *data = iio_priv(indio_dev); @@ -936,8 +936,6 @@ static int mlx90632_remove(struct i2c_client *client) pm_runtime_put_noidle(&client->dev); mlx90632_sleep(data); - - return 0; } static const struct i2c_device_id mlx90632_id[] = { diff --git a/drivers/input/joystick/as5011.c b/drivers/input/joystick/as5011.c index 34bcd99a46f5..2beda29021a3 100644 --- a/drivers/input/joystick/as5011.c +++ b/drivers/input/joystick/as5011.c @@ -327,7 +327,7 @@ err_free_mem: return error; } -static int as5011_remove(struct i2c_client *client) +static void as5011_remove(struct i2c_client *client) { struct as5011_device *as5011 = i2c_get_clientdata(client); @@ -337,8 +337,6 @@ static int as5011_remove(struct i2c_client *client) input_unregister_device(as5011->input_dev); kfree(as5011); - - return 0; } static const struct i2c_device_id as5011_id[] = { diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c index 1a1a05d7cd42..e2719737360a 100644 --- a/drivers/input/keyboard/adp5588-keys.c +++ b/drivers/input/keyboard/adp5588-keys.c @@ -592,12 +592,11 @@ static int adp5588_probe(struct i2c_client *client, return 0; } -static int adp5588_remove(struct i2c_client *client) +static void adp5588_remove(struct i2c_client *client) { adp5588_write(client, CFG, 0); /* all resources will be freed by devm */ - return 0; } static int __maybe_unused adp5588_suspend(struct device *dev) diff --git a/drivers/input/keyboard/lm8323.c b/drivers/input/keyboard/lm8323.c index 6c38d034ec6e..407dd2ad6302 100644 --- a/drivers/input/keyboard/lm8323.c +++ b/drivers/input/keyboard/lm8323.c @@ -752,7 +752,7 @@ fail1: return err; } -static int lm8323_remove(struct i2c_client *client) +static void lm8323_remove(struct i2c_client *client) { struct lm8323_chip *lm = i2c_get_clientdata(client); int i; @@ -769,8 +769,6 @@ static int lm8323_remove(struct i2c_client *client) led_classdev_unregister(&lm->pwm[i].cdev); kfree(lm); - - return 0; } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/input/keyboard/lm8333.c b/drivers/input/keyboard/lm8333.c index 7c5f8c6bb957..9dac22c14125 100644 --- a/drivers/input/keyboard/lm8333.c +++ b/drivers/input/keyboard/lm8333.c @@ -200,15 +200,13 @@ static int lm8333_probe(struct i2c_client *client, return err; } -static int lm8333_remove(struct i2c_client *client) +static void lm8333_remove(struct i2c_client *client) { struct lm8333 *lm8333 = i2c_get_clientdata(client); free_irq(client->irq, lm8333); input_unregister_device(lm8333->input); kfree(lm8333); - - return 0; } static const struct i2c_device_id lm8333_id[] = { diff --git a/drivers/input/keyboard/mcs_touchkey.c b/drivers/input/keyboard/mcs_touchkey.c index 8cb0062b98e4..ac1637a3389e 100644 --- a/drivers/input/keyboard/mcs_touchkey.c +++ b/drivers/input/keyboard/mcs_touchkey.c @@ -194,7 +194,7 @@ err_free_mem: return error; } -static int mcs_touchkey_remove(struct i2c_client *client) +static void mcs_touchkey_remove(struct i2c_client *client) { struct mcs_touchkey_data *data = i2c_get_clientdata(client); @@ -203,8 +203,6 @@ static int mcs_touchkey_remove(struct i2c_client *client) data->poweron(false); input_unregister_device(data->input_dev); kfree(data); - - return 0; } static void mcs_touchkey_shutdown(struct i2c_client *client) diff --git a/drivers/input/keyboard/qt1070.c b/drivers/input/keyboard/qt1070.c index 7174e1df1ee3..9fcce18b1d65 100644 --- a/drivers/input/keyboard/qt1070.c +++ b/drivers/input/keyboard/qt1070.c @@ -216,7 +216,7 @@ err_free_mem: return err; } -static int qt1070_remove(struct i2c_client *client) +static void qt1070_remove(struct i2c_client *client) { struct qt1070_data *data = i2c_get_clientdata(client); @@ -225,8 +225,6 @@ static int qt1070_remove(struct i2c_client *client) input_unregister_device(data->input); kfree(data); - - return 0; } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/input/keyboard/qt2160.c b/drivers/input/keyboard/qt2160.c index 32d4a076eaa3..382b1519218c 100644 --- a/drivers/input/keyboard/qt2160.c +++ b/drivers/input/keyboard/qt2160.c @@ -432,7 +432,7 @@ err_free_mem: return error; } -static int qt2160_remove(struct i2c_client *client) +static void qt2160_remove(struct i2c_client *client) { struct qt2160_data *qt2160 = i2c_get_clientdata(client); @@ -446,8 +446,6 @@ static int qt2160_remove(struct i2c_client *client) input_unregister_device(qt2160->input); kfree(qt2160); - - return 0; } static const struct i2c_device_id qt2160_idtable[] = { diff --git a/drivers/input/keyboard/tca6416-keypad.c b/drivers/input/keyboard/tca6416-keypad.c index 2a9755910065..afcdfbb002ff 100644 --- a/drivers/input/keyboard/tca6416-keypad.c +++ b/drivers/input/keyboard/tca6416-keypad.c @@ -307,7 +307,7 @@ fail1: return error; } -static int tca6416_keypad_remove(struct i2c_client *client) +static void tca6416_keypad_remove(struct i2c_client *client) { struct tca6416_keypad_chip *chip = i2c_get_clientdata(client); @@ -318,8 +318,6 @@ static int tca6416_keypad_remove(struct i2c_client *client) input_unregister_device(chip->input); kfree(chip); - - return 0; } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/input/misc/adxl34x-i2c.c b/drivers/input/misc/adxl34x-i2c.c index a3b5f88d2bd1..5be636aaa94f 100644 --- a/drivers/input/misc/adxl34x-i2c.c +++ b/drivers/input/misc/adxl34x-i2c.c @@ -99,13 +99,11 @@ static int adxl34x_i2c_probe(struct i2c_client *client, return 0; } -static int adxl34x_i2c_remove(struct i2c_client *client) +static void adxl34x_i2c_remove(struct i2c_client *client) { struct adxl34x *ac = i2c_get_clientdata(client); adxl34x_remove(ac); - - return 0; } static int __maybe_unused adxl34x_i2c_suspend(struct device *dev) diff --git a/drivers/input/misc/bma150.c b/drivers/input/misc/bma150.c index a9d984da95f3..84fe394da7a6 100644 --- a/drivers/input/misc/bma150.c +++ b/drivers/input/misc/bma150.c @@ -513,11 +513,9 @@ static int bma150_probe(struct i2c_client *client, return 0; } -static int bma150_remove(struct i2c_client *client) +static void bma150_remove(struct i2c_client *client) { pm_runtime_disable(&client->dev); - - return 0; } static int __maybe_unused bma150_suspend(struct device *dev) diff --git a/drivers/input/misc/cma3000_d0x_i2c.c b/drivers/input/misc/cma3000_d0x_i2c.c index 03fb49127c3a..3b23210c46b7 100644 --- a/drivers/input/misc/cma3000_d0x_i2c.c +++ b/drivers/input/misc/cma3000_d0x_i2c.c @@ -58,13 +58,11 @@ static int cma3000_i2c_probe(struct i2c_client *client, return 0; } -static int cma3000_i2c_remove(struct i2c_client *client) +static void cma3000_i2c_remove(struct i2c_client *client) { struct cma3000_accl_data *data = i2c_get_clientdata(client); cma3000_exit(data); - - return 0; } #ifdef CONFIG_PM diff --git a/drivers/input/misc/pcf8574_keypad.c b/drivers/input/misc/pcf8574_keypad.c index abc423165522..cfd6640e4f82 100644 --- a/drivers/input/misc/pcf8574_keypad.c +++ b/drivers/input/misc/pcf8574_keypad.c @@ -157,7 +157,7 @@ static int pcf8574_kp_probe(struct i2c_client *client, const struct i2c_device_i return ret; } -static int pcf8574_kp_remove(struct i2c_client *client) +static void pcf8574_kp_remove(struct i2c_client *client) { struct kp_data *lp = i2c_get_clientdata(client); @@ -165,8 +165,6 @@ static int pcf8574_kp_remove(struct i2c_client *client) input_unregister_device(lp->idev); kfree(lp); - - return 0; } #ifdef CONFIG_PM diff --git a/drivers/input/mouse/synaptics_i2c.c b/drivers/input/mouse/synaptics_i2c.c index fa304648d611..987ee67a1045 100644 --- a/drivers/input/mouse/synaptics_i2c.c +++ b/drivers/input/mouse/synaptics_i2c.c @@ -587,7 +587,7 @@ err_mem_free: return ret; } -static int synaptics_i2c_remove(struct i2c_client *client) +static void synaptics_i2c_remove(struct i2c_client *client) { struct synaptics_i2c *touch = i2c_get_clientdata(client); @@ -596,8 +596,6 @@ static int synaptics_i2c_remove(struct i2c_client *client) input_unregister_device(touch->input); kfree(touch); - - return 0; } static int __maybe_unused synaptics_i2c_suspend(struct device *dev) diff --git a/drivers/input/rmi4/rmi_smbus.c b/drivers/input/rmi4/rmi_smbus.c index 2407ea43de59..c130468541b7 100644 --- a/drivers/input/rmi4/rmi_smbus.c +++ b/drivers/input/rmi4/rmi_smbus.c @@ -338,13 +338,11 @@ static int rmi_smb_probe(struct i2c_client *client, return 0; } -static int rmi_smb_remove(struct i2c_client *client) +static void rmi_smb_remove(struct i2c_client *client) { struct rmi_smb_xport *rmi_smb = i2c_get_clientdata(client); rmi_unregister_transport_device(&rmi_smb->xport); - - return 0; } static int __maybe_unused rmi_smb_suspend(struct device *dev) diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index eb66cd2689b7..4eedea08b0b5 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -3284,7 +3284,7 @@ err_disable_regulators: return error; } -static int mxt_remove(struct i2c_client *client) +static void mxt_remove(struct i2c_client *client) { struct mxt_data *data = i2c_get_clientdata(client); @@ -3294,8 +3294,6 @@ static int mxt_remove(struct i2c_client *client) mxt_free_object_table(data); regulator_bulk_disable(ARRAY_SIZE(data->regulators), data->regulators); - - return 0; } static int __maybe_unused mxt_suspend(struct device *dev) diff --git a/drivers/input/touchscreen/bu21013_ts.c b/drivers/input/touchscreen/bu21013_ts.c index 2f1f0d7607f8..34f422e246ef 100644 --- a/drivers/input/touchscreen/bu21013_ts.c +++ b/drivers/input/touchscreen/bu21013_ts.c @@ -552,15 +552,13 @@ static int bu21013_probe(struct i2c_client *client, return 0; } -static int bu21013_remove(struct i2c_client *client) +static void bu21013_remove(struct i2c_client *client) { struct bu21013_ts *ts = i2c_get_clientdata(client); /* Make sure IRQ will exit quickly even if there is contact */ ts->touch_stopped = true; /* The resources will be freed by devm */ - - return 0; } static int __maybe_unused bu21013_suspend(struct device *dev) diff --git a/drivers/input/touchscreen/cyttsp4_i2c.c b/drivers/input/touchscreen/cyttsp4_i2c.c index c65ccb2f4716..28ae7c15397a 100644 --- a/drivers/input/touchscreen/cyttsp4_i2c.c +++ b/drivers/input/touchscreen/cyttsp4_i2c.c @@ -43,13 +43,11 @@ static int cyttsp4_i2c_probe(struct i2c_client *client, return PTR_ERR_OR_ZERO(ts); } -static int cyttsp4_i2c_remove(struct i2c_client *client) +static void cyttsp4_i2c_remove(struct i2c_client *client) { struct cyttsp4 *ts = i2c_get_clientdata(client); cyttsp4_remove(ts); - - return 0; } static const struct i2c_device_id cyttsp4_i2c_id[] = { diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c index 82beddb28761..5fb441387fe5 100644 --- a/drivers/input/touchscreen/edt-ft5x06.c +++ b/drivers/input/touchscreen/edt-ft5x06.c @@ -1346,13 +1346,11 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client, return 0; } -static int edt_ft5x06_ts_remove(struct i2c_client *client) +static void edt_ft5x06_ts_remove(struct i2c_client *client) { struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client); edt_ft5x06_ts_teardown_debugfs(tsdata); - - return 0; } static int __maybe_unused edt_ft5x06_ts_suspend(struct device *dev) diff --git a/drivers/input/touchscreen/goodix.c b/drivers/input/touchscreen/goodix.c index 21c0dddbe41d..a33cc7950cf5 100644 --- a/drivers/input/touchscreen/goodix.c +++ b/drivers/input/touchscreen/goodix.c @@ -1383,14 +1383,12 @@ reset: return 0; } -static int goodix_ts_remove(struct i2c_client *client) +static void goodix_ts_remove(struct i2c_client *client) { struct goodix_ts_data *ts = i2c_get_clientdata(client); if (ts->load_cfg_from_disk) wait_for_completion(&ts->firmware_loading_complete); - - return 0; } static int __maybe_unused goodix_suspend(struct device *dev) diff --git a/drivers/input/touchscreen/migor_ts.c b/drivers/input/touchscreen/migor_ts.c index 42d3fd7e04d7..79cd660d879e 100644 --- a/drivers/input/touchscreen/migor_ts.c +++ b/drivers/input/touchscreen/migor_ts.c @@ -176,7 +176,7 @@ static int migor_ts_probe(struct i2c_client *client, return error; } -static int migor_ts_remove(struct i2c_client *client) +static void migor_ts_remove(struct i2c_client *client) { struct migor_ts_priv *priv = i2c_get_clientdata(client); @@ -185,8 +185,6 @@ static int migor_ts_remove(struct i2c_client *client) kfree(priv); dev_set_drvdata(&client->dev, NULL); - - return 0; } static int __maybe_unused migor_ts_suspend(struct device *dev) diff --git a/drivers/input/touchscreen/s6sy761.c b/drivers/input/touchscreen/s6sy761.c index 85a1f465c097..1a7d00289b4c 100644 --- a/drivers/input/touchscreen/s6sy761.c +++ b/drivers/input/touchscreen/s6sy761.c @@ -475,11 +475,9 @@ static int s6sy761_probe(struct i2c_client *client, return 0; } -static int s6sy761_remove(struct i2c_client *client) +static void s6sy761_remove(struct i2c_client *client) { pm_runtime_disable(&client->dev); - - return 0; } static int __maybe_unused s6sy761_runtime_suspend(struct device *dev) diff --git a/drivers/input/touchscreen/stmfts.c b/drivers/input/touchscreen/stmfts.c index c175d44c52f3..d5bd170808fb 100644 --- a/drivers/input/touchscreen/stmfts.c +++ b/drivers/input/touchscreen/stmfts.c @@ -738,11 +738,9 @@ static int stmfts_probe(struct i2c_client *client, return 0; } -static int stmfts_remove(struct i2c_client *client) +static void stmfts_remove(struct i2c_client *client) { pm_runtime_disable(&client->dev); - - return 0; } static int __maybe_unused stmfts_runtime_suspend(struct device *dev) diff --git a/drivers/input/touchscreen/tsc2004.c b/drivers/input/touchscreen/tsc2004.c index 9fdd870c4c0b..a9565353ee98 100644 --- a/drivers/input/touchscreen/tsc2004.c +++ b/drivers/input/touchscreen/tsc2004.c @@ -43,11 +43,9 @@ static int tsc2004_probe(struct i2c_client *i2c, tsc2004_cmd); } -static int tsc2004_remove(struct i2c_client *i2c) +static void tsc2004_remove(struct i2c_client *i2c) { tsc200x_remove(&i2c->dev); - - return 0; } static const struct i2c_device_id tsc2004_idtable[] = { diff --git a/drivers/leds/flash/leds-as3645a.c b/drivers/leds/flash/leds-as3645a.c index aa3f82be0a9c..bb2249771acb 100644 --- a/drivers/leds/flash/leds-as3645a.c +++ b/drivers/leds/flash/leds-as3645a.c @@ -724,7 +724,7 @@ out_put_nodes: return rval; } -static int as3645a_remove(struct i2c_client *client) +static void as3645a_remove(struct i2c_client *client) { struct as3645a *flash = i2c_get_clientdata(client); @@ -740,8 +740,6 @@ static int as3645a_remove(struct i2c_client *client) fwnode_handle_put(flash->flash_node); fwnode_handle_put(flash->indicator_node); - - return 0; } static const struct i2c_device_id as3645a_id_table[] = { diff --git a/drivers/leds/flash/leds-lm3601x.c b/drivers/leds/flash/leds-lm3601x.c index d0e1d4814042..78730e066a73 100644 --- a/drivers/leds/flash/leds-lm3601x.c +++ b/drivers/leds/flash/leds-lm3601x.c @@ -440,15 +440,16 @@ static int lm3601x_probe(struct i2c_client *client) return lm3601x_register_leds(led, fwnode); } -static int lm3601x_remove(struct i2c_client *client) +static void lm3601x_remove(struct i2c_client *client) { struct lm3601x_led *led = i2c_get_clientdata(client); + int ret; - mutex_destroy(&led->lock); - - return regmap_update_bits(led->regmap, LM3601X_ENABLE_REG, - LM3601X_ENABLE_MASK, - LM3601X_MODE_STANDBY); + ret = regmap_update_bits(led->regmap, LM3601X_ENABLE_REG, + LM3601X_ENABLE_MASK, LM3601X_MODE_STANDBY); + if (ret) + dev_warn(&client->dev, + "Failed to put into standby (%pe)\n", ERR_PTR(ret)); } static const struct i2c_device_id lm3601x_id[] = { diff --git a/drivers/leds/flash/leds-rt4505.c b/drivers/leds/flash/leds-rt4505.c index ee129ab7255d..e404fe8b0314 100644 --- a/drivers/leds/flash/leds-rt4505.c +++ b/drivers/leds/flash/leds-rt4505.c @@ -393,12 +393,11 @@ static int rt4505_probe(struct i2c_client *client) return 0; } -static int rt4505_remove(struct i2c_client *client) +static void rt4505_remove(struct i2c_client *client) { struct rt4505_priv *priv = i2c_get_clientdata(client); v4l2_flash_release(priv->v4l2_flash); - return 0; } static void rt4505_shutdown(struct i2c_client *client) diff --git a/drivers/leds/leds-an30259a.c b/drivers/leds/leds-an30259a.c index a0df1fb28774..e072ee5409f7 100644 --- a/drivers/leds/leds-an30259a.c +++ b/drivers/leds/leds-an30259a.c @@ -334,13 +334,11 @@ exit: return err; } -static int an30259a_remove(struct i2c_client *client) +static void an30259a_remove(struct i2c_client *client) { struct an30259a *chip = i2c_get_clientdata(client); mutex_destroy(&chip->mutex); - - return 0; } static const struct of_device_id an30259a_match_table[] = { diff --git a/drivers/leds/leds-aw2013.c b/drivers/leds/leds-aw2013.c index 80d937454aee..0b52fc9097c6 100644 --- a/drivers/leds/leds-aw2013.c +++ b/drivers/leds/leds-aw2013.c @@ -401,15 +401,13 @@ error: return ret; } -static int aw2013_remove(struct i2c_client *client) +static void aw2013_remove(struct i2c_client *client) { struct aw2013 *chip = i2c_get_clientdata(client); aw2013_chip_disable(chip); mutex_destroy(&chip->mutex); - - return 0; } static const struct of_device_id aw2013_match_table[] = { diff --git a/drivers/leds/leds-bd2802.c b/drivers/leds/leds-bd2802.c index 8bbaef5a2986..2b6678f6bd56 100644 --- a/drivers/leds/leds-bd2802.c +++ b/drivers/leds/leds-bd2802.c @@ -722,7 +722,7 @@ failed_unregister_dev_file: return ret; } -static int bd2802_remove(struct i2c_client *client) +static void bd2802_remove(struct i2c_client *client) { struct bd2802_led *led = i2c_get_clientdata(client); int i; @@ -733,8 +733,6 @@ static int bd2802_remove(struct i2c_client *client) bd2802_disable_adv_conf(led); for (i = 0; i < ARRAY_SIZE(bd2802_attributes); i++) device_remove_file(&led->client->dev, bd2802_attributes[i]); - - return 0; } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/leds/leds-blinkm.c b/drivers/leds/leds-blinkm.c index bd7d0d5cf3b6..3fb6a2fdaefa 100644 --- a/drivers/leds/leds-blinkm.c +++ b/drivers/leds/leds-blinkm.c @@ -677,7 +677,7 @@ exit: return err; } -static int blinkm_remove(struct i2c_client *client) +static void blinkm_remove(struct i2c_client *client) { struct blinkm_data *data = i2c_get_clientdata(client); int ret = 0; @@ -716,7 +716,6 @@ static int blinkm_remove(struct i2c_client *client) dev_err(&client->dev, "Failure in blinkm_remove ignored. Continuing.\n"); sysfs_remove_group(&client->dev.kobj, &blinkm_group); - return 0; } static const struct i2c_device_id blinkm_id[] = { diff --git a/drivers/leds/leds-is31fl32xx.c b/drivers/leds/leds-is31fl32xx.c index fc63fce38c19..0d219c1ac3b5 100644 --- a/drivers/leds/leds-is31fl32xx.c +++ b/drivers/leds/leds-is31fl32xx.c @@ -457,7 +457,7 @@ static int is31fl32xx_probe(struct i2c_client *client, return 0; } -static int is31fl32xx_remove(struct i2c_client *client) +static void is31fl32xx_remove(struct i2c_client *client) { struct is31fl32xx_priv *priv = i2c_get_clientdata(client); int ret; @@ -466,8 +466,6 @@ static int is31fl32xx_remove(struct i2c_client *client) if (ret) dev_err(&client->dev, "Failed to reset registers on removal (%pe)\n", ERR_PTR(ret)); - - return 0; } /* diff --git a/drivers/leds/leds-lm3530.c b/drivers/leds/leds-lm3530.c index e72393534b72..ba906c253c7f 100644 --- a/drivers/leds/leds-lm3530.c +++ b/drivers/leds/leds-lm3530.c @@ -470,13 +470,12 @@ static int lm3530_probe(struct i2c_client *client, return 0; } -static int lm3530_remove(struct i2c_client *client) +static void lm3530_remove(struct i2c_client *client) { struct lm3530_data *drvdata = i2c_get_clientdata(client); lm3530_led_disable(drvdata); led_classdev_unregister(&drvdata->led_dev); - return 0; } static const struct i2c_device_id lm3530_id[] = { diff --git a/drivers/leds/leds-lm3532.c b/drivers/leds/leds-lm3532.c index beb53040e09e..db64d44bcbbf 100644 --- a/drivers/leds/leds-lm3532.c +++ b/drivers/leds/leds-lm3532.c @@ -704,7 +704,7 @@ static int lm3532_probe(struct i2c_client *client, return ret; } -static int lm3532_remove(struct i2c_client *client) +static void lm3532_remove(struct i2c_client *client) { struct lm3532_data *drvdata = i2c_get_clientdata(client); @@ -712,8 +712,6 @@ static int lm3532_remove(struct i2c_client *client) if (drvdata->enable_gpio) gpiod_direction_output(drvdata->enable_gpio, 0); - - return 0; } static const struct of_device_id of_lm3532_leds_match[] = { diff --git a/drivers/leds/leds-lm355x.c b/drivers/leds/leds-lm355x.c index 2d3e11845ba5..daa35927b301 100644 --- a/drivers/leds/leds-lm355x.c +++ b/drivers/leds/leds-lm355x.c @@ -491,7 +491,7 @@ err_out: return err; } -static int lm355x_remove(struct i2c_client *client) +static void lm355x_remove(struct i2c_client *client) { struct lm355x_chip_data *chip = i2c_get_clientdata(client); struct lm355x_reg_data *preg = chip->regs; @@ -501,8 +501,6 @@ static int lm355x_remove(struct i2c_client *client) led_classdev_unregister(&chip->cdev_torch); led_classdev_unregister(&chip->cdev_flash); dev_info(&client->dev, "%s is removed\n", lm355x_name[chip->type]); - - return 0; } static const struct i2c_device_id lm355x_id[] = { diff --git a/drivers/leds/leds-lm3642.c b/drivers/leds/leds-lm3642.c index 435309154e6b..428a5d928150 100644 --- a/drivers/leds/leds-lm3642.c +++ b/drivers/leds/leds-lm3642.c @@ -380,7 +380,7 @@ err_out: return err; } -static int lm3642_remove(struct i2c_client *client) +static void lm3642_remove(struct i2c_client *client) { struct lm3642_chip_data *chip = i2c_get_clientdata(client); @@ -388,7 +388,6 @@ static int lm3642_remove(struct i2c_client *client) led_classdev_unregister(&chip->cdev_torch); led_classdev_unregister(&chip->cdev_flash); regmap_write(chip->regmap, REG_ENABLE, 0); - return 0; } static const struct i2c_device_id lm3642_id[] = { diff --git a/drivers/leds/leds-lm3692x.c b/drivers/leds/leds-lm3692x.c index 87cd24ce3f95..54b4662bff41 100644 --- a/drivers/leds/leds-lm3692x.c +++ b/drivers/leds/leds-lm3692x.c @@ -491,14 +491,12 @@ static int lm3692x_probe(struct i2c_client *client, return 0; } -static int lm3692x_remove(struct i2c_client *client) +static void lm3692x_remove(struct i2c_client *client) { struct lm3692x_led *led = i2c_get_clientdata(client); lm3692x_leds_disable(led); mutex_destroy(&led->lock); - - return 0; } static const struct i2c_device_id lm3692x_id[] = { diff --git a/drivers/leds/leds-lm3697.c b/drivers/leds/leds-lm3697.c index a8c9322558cc..71231a60eebc 100644 --- a/drivers/leds/leds-lm3697.c +++ b/drivers/leds/leds-lm3697.c @@ -337,7 +337,7 @@ static int lm3697_probe(struct i2c_client *client, return lm3697_init(led); } -static int lm3697_remove(struct i2c_client *client) +static void lm3697_remove(struct i2c_client *client) { struct lm3697 *led = i2c_get_clientdata(client); struct device *dev = &led->client->dev; @@ -345,10 +345,8 @@ static int lm3697_remove(struct i2c_client *client) ret = regmap_update_bits(led->regmap, LM3697_CTRL_ENABLE, LM3697_CTRL_A_B_EN, 0); - if (ret) { + if (ret) dev_err(dev, "Failed to disable the device\n"); - return ret; - } if (led->enable_gpio) gpiod_direction_output(led->enable_gpio, 0); @@ -360,8 +358,6 @@ static int lm3697_remove(struct i2c_client *client) } mutex_destroy(&led->lock); - - return 0; } static const struct i2c_device_id lm3697_id[] = { diff --git a/drivers/leds/leds-lp3944.c b/drivers/leds/leds-lp3944.c index 437c711b2a27..673ad8c04f41 100644 --- a/drivers/leds/leds-lp3944.c +++ b/drivers/leds/leds-lp3944.c @@ -397,7 +397,7 @@ static int lp3944_probe(struct i2c_client *client, return 0; } -static int lp3944_remove(struct i2c_client *client) +static void lp3944_remove(struct i2c_client *client) { struct lp3944_platform_data *pdata = dev_get_platdata(&client->dev); struct lp3944_data *data = i2c_get_clientdata(client); @@ -414,8 +414,6 @@ static int lp3944_remove(struct i2c_client *client) default: break; } - - return 0; } /* lp3944 i2c driver struct */ diff --git a/drivers/leds/leds-lp3952.c b/drivers/leds/leds-lp3952.c index 6ee9131fbf25..bf0ad1b5ce24 100644 --- a/drivers/leds/leds-lp3952.c +++ b/drivers/leds/leds-lp3952.c @@ -255,15 +255,13 @@ static int lp3952_probe(struct i2c_client *client, return 0; } -static int lp3952_remove(struct i2c_client *client) +static void lp3952_remove(struct i2c_client *client) { struct lp3952_led_array *priv; priv = i2c_get_clientdata(client); lp3952_on_off(priv, LP3952_LED_ALL, false); gpiod_set_value(priv->enable_gpio, 0); - - return 0; } static const struct i2c_device_id lp3952_id[] = { diff --git a/drivers/leds/leds-lp50xx.c b/drivers/leds/leds-lp50xx.c index e129dcc656b8..28d6b39fa72d 100644 --- a/drivers/leds/leds-lp50xx.c +++ b/drivers/leds/leds-lp50xx.c @@ -563,7 +563,7 @@ static int lp50xx_probe(struct i2c_client *client) return lp50xx_probe_dt(led); } -static int lp50xx_remove(struct i2c_client *client) +static void lp50xx_remove(struct i2c_client *client) { struct lp50xx *led = i2c_get_clientdata(client); int ret; @@ -579,8 +579,6 @@ static int lp50xx_remove(struct i2c_client *client) } mutex_destroy(&led->lock); - - return 0; } static const struct i2c_device_id lp50xx_id[] = { diff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c index a9e7507c998c..7ff20c260504 100644 --- a/drivers/leds/leds-lp5521.c +++ b/drivers/leds/leds-lp5521.c @@ -579,7 +579,7 @@ err_init: return ret; } -static int lp5521_remove(struct i2c_client *client) +static void lp5521_remove(struct i2c_client *client) { struct lp55xx_led *led = i2c_get_clientdata(client); struct lp55xx_chip *chip = led->chip; @@ -587,8 +587,6 @@ static int lp5521_remove(struct i2c_client *client) lp5521_stop_all_engines(chip); lp55xx_unregister_sysfs(chip); lp55xx_deinit_device(chip); - - return 0; } static const struct i2c_device_id lp5521_id[] = { diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c index b1590cb4a188..369d40b0b65b 100644 --- a/drivers/leds/leds-lp5523.c +++ b/drivers/leds/leds-lp5523.c @@ -947,7 +947,7 @@ err_init: return ret; } -static int lp5523_remove(struct i2c_client *client) +static void lp5523_remove(struct i2c_client *client) { struct lp55xx_led *led = i2c_get_clientdata(client); struct lp55xx_chip *chip = led->chip; @@ -955,8 +955,6 @@ static int lp5523_remove(struct i2c_client *client) lp5523_stop_all_engines(chip); lp55xx_unregister_sysfs(chip); lp55xx_deinit_device(chip); - - return 0; } static const struct i2c_device_id lp5523_id[] = { diff --git a/drivers/leds/leds-lp5562.c b/drivers/leds/leds-lp5562.c index 31c14016d289..0e490085ff35 100644 --- a/drivers/leds/leds-lp5562.c +++ b/drivers/leds/leds-lp5562.c @@ -573,7 +573,7 @@ err_init: return ret; } -static int lp5562_remove(struct i2c_client *client) +static void lp5562_remove(struct i2c_client *client) { struct lp55xx_led *led = i2c_get_clientdata(client); struct lp55xx_chip *chip = led->chip; @@ -582,8 +582,6 @@ static int lp5562_remove(struct i2c_client *client) lp55xx_unregister_sysfs(chip); lp55xx_deinit_device(chip); - - return 0; } static const struct i2c_device_id lp5562_id[] = { diff --git a/drivers/leds/leds-lp8501.c b/drivers/leds/leds-lp8501.c index 2d2fda2ab104..ae11a02c0ab2 100644 --- a/drivers/leds/leds-lp8501.c +++ b/drivers/leds/leds-lp8501.c @@ -362,7 +362,7 @@ err_init: return ret; } -static int lp8501_remove(struct i2c_client *client) +static void lp8501_remove(struct i2c_client *client) { struct lp55xx_led *led = i2c_get_clientdata(client); struct lp55xx_chip *chip = led->chip; @@ -370,8 +370,6 @@ static int lp8501_remove(struct i2c_client *client) lp8501_stop_engine(chip); lp55xx_unregister_sysfs(chip); lp55xx_deinit_device(chip); - - return 0; } static const struct i2c_device_id lp8501_id[] = { diff --git a/drivers/leds/leds-lp8860.c b/drivers/leds/leds-lp8860.c index 3c693d5e3b44..e2b36d3187eb 100644 --- a/drivers/leds/leds-lp8860.c +++ b/drivers/leds/leds-lp8860.c @@ -445,7 +445,7 @@ static int lp8860_probe(struct i2c_client *client, return 0; } -static int lp8860_remove(struct i2c_client *client) +static void lp8860_remove(struct i2c_client *client) { struct lp8860_led *led = i2c_get_clientdata(client); int ret; @@ -461,8 +461,6 @@ static int lp8860_remove(struct i2c_client *client) } mutex_destroy(&led->lock); - - return 0; } static const struct i2c_device_id lp8860_id[] = { diff --git a/drivers/leds/leds-pca9532.c b/drivers/leds/leds-pca9532.c index f72b5d1be3a6..df83d97cb479 100644 --- a/drivers/leds/leds-pca9532.c +++ b/drivers/leds/leds-pca9532.c @@ -52,7 +52,7 @@ struct pca9532_data { static int pca9532_probe(struct i2c_client *client, const struct i2c_device_id *id); -static int pca9532_remove(struct i2c_client *client); +static void pca9532_remove(struct i2c_client *client); enum { pca9530, @@ -546,13 +546,11 @@ static int pca9532_probe(struct i2c_client *client, return pca9532_configure(client, data, pca9532_pdata); } -static int pca9532_remove(struct i2c_client *client) +static void pca9532_remove(struct i2c_client *client) { struct pca9532_data *data = i2c_get_clientdata(client); pca9532_destroy_devices(data, data->chip_info->num_leds); - - return 0; } module_i2c_driver(pca9532_driver); diff --git a/drivers/leds/leds-tca6507.c b/drivers/leds/leds-tca6507.c index 1473ced8664c..161bef65c6b7 100644 --- a/drivers/leds/leds-tca6507.c +++ b/drivers/leds/leds-tca6507.c @@ -790,7 +790,7 @@ exit: return err; } -static int tca6507_remove(struct i2c_client *client) +static void tca6507_remove(struct i2c_client *client) { int i; struct tca6507_chip *tca = i2c_get_clientdata(client); @@ -802,8 +802,6 @@ static int tca6507_remove(struct i2c_client *client) } tca6507_remove_gpio(tca); cancel_work_sync(&tca->work); - - return 0; } static struct i2c_driver tca6507_driver = { diff --git a/drivers/leds/leds-turris-omnia.c b/drivers/leds/leds-turris-omnia.c index eac6f4a573b2..c7c9851c894a 100644 --- a/drivers/leds/leds-turris-omnia.c +++ b/drivers/leds/leds-turris-omnia.c @@ -242,7 +242,7 @@ static int omnia_leds_probe(struct i2c_client *client, return 0; } -static int omnia_leds_remove(struct i2c_client *client) +static void omnia_leds_remove(struct i2c_client *client) { u8 buf[5]; @@ -258,8 +258,6 @@ static int omnia_leds_remove(struct i2c_client *client) buf[4] = 255; i2c_master_send(client, buf, 5); - - return 0; } static const struct of_device_id of_omnia_leds_match[] = { diff --git a/drivers/macintosh/ams/ams-i2c.c b/drivers/macintosh/ams/ams-i2c.c index d2f0cde6f9c7..3ded340699fb 100644 --- a/drivers/macintosh/ams/ams-i2c.c +++ b/drivers/macintosh/ams/ams-i2c.c @@ -58,7 +58,7 @@ enum ams_i2c_cmd { static int ams_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id); -static int ams_i2c_remove(struct i2c_client *client); +static void ams_i2c_remove(struct i2c_client *client); static const struct i2c_device_id ams_id[] = { { "MAC,accelerometer_1", 0 }, @@ -230,7 +230,7 @@ static int ams_i2c_probe(struct i2c_client *client, return 0; } -static int ams_i2c_remove(struct i2c_client *client) +static void ams_i2c_remove(struct i2c_client *client) { if (ams_info.has_device) { ams_sensor_detach(); @@ -245,8 +245,6 @@ static int ams_i2c_remove(struct i2c_client *client) ams_info.has_device = 0; } - - return 0; } static void ams_i2c_exit(void) diff --git a/drivers/macintosh/therm_adt746x.c b/drivers/macintosh/therm_adt746x.c index e604cbc91763..b004ea2a1102 100644 --- a/drivers/macintosh/therm_adt746x.c +++ b/drivers/macintosh/therm_adt746x.c @@ -563,7 +563,7 @@ static int probe_thermostat(struct i2c_client *client, return 0; } -static int remove_thermostat(struct i2c_client *client) +static void remove_thermostat(struct i2c_client *client) { struct thermostat *th = i2c_get_clientdata(client); int i; @@ -585,8 +585,6 @@ static int remove_thermostat(struct i2c_client *client) write_both_fan_speed(th, -1); kfree(th); - - return 0; } static const struct i2c_device_id therm_adt746x_id[] = { diff --git a/drivers/macintosh/therm_windtunnel.c b/drivers/macintosh/therm_windtunnel.c index 9226b74fa08f..61fe2ab910b8 100644 --- a/drivers/macintosh/therm_windtunnel.c +++ b/drivers/macintosh/therm_windtunnel.c @@ -334,7 +334,7 @@ static void do_attach(struct i2c_adapter *adapter) } } -static int +static void do_remove(struct i2c_client *client) { if (x.running) { @@ -348,8 +348,6 @@ do_remove(struct i2c_client *client) x.fan = NULL; else printk(KERN_ERR "g4fan: bad client\n"); - - return 0; } static int diff --git a/drivers/macintosh/windfarm_ad7417_sensor.c b/drivers/macintosh/windfarm_ad7417_sensor.c index 6ad6441abcbc..c5c54a4ce91f 100644 --- a/drivers/macintosh/windfarm_ad7417_sensor.c +++ b/drivers/macintosh/windfarm_ad7417_sensor.c @@ -289,7 +289,7 @@ static int wf_ad7417_probe(struct i2c_client *client, return 0; } -static int wf_ad7417_remove(struct i2c_client *client) +static void wf_ad7417_remove(struct i2c_client *client) { struct wf_ad7417_priv *pv = dev_get_drvdata(&client->dev); int i; @@ -302,8 +302,6 @@ static int wf_ad7417_remove(struct i2c_client *client) wf_unregister_sensor(&pv->sensors[i]); kref_put(&pv->ref, wf_ad7417_release); - - return 0; } static const struct i2c_device_id wf_ad7417_id[] = { diff --git a/drivers/macintosh/windfarm_fcu_controls.c b/drivers/macintosh/windfarm_fcu_controls.c index 82e7b2005ae7..c5b1ca5bcd73 100644 --- a/drivers/macintosh/windfarm_fcu_controls.c +++ b/drivers/macintosh/windfarm_fcu_controls.c @@ -560,7 +560,7 @@ static int wf_fcu_probe(struct i2c_client *client, return 0; } -static int wf_fcu_remove(struct i2c_client *client) +static void wf_fcu_remove(struct i2c_client *client) { struct wf_fcu_priv *pv = dev_get_drvdata(&client->dev); struct wf_fcu_fan *fan; @@ -571,7 +571,6 @@ static int wf_fcu_remove(struct i2c_client *client) wf_unregister_control(&fan->ctrl); } kref_put(&pv->ref, wf_fcu_release); - return 0; } static const struct i2c_device_id wf_fcu_id[] = { diff --git a/drivers/macintosh/windfarm_lm75_sensor.c b/drivers/macintosh/windfarm_lm75_sensor.c index eb7e7f0bd219..204661c8e918 100644 --- a/drivers/macintosh/windfarm_lm75_sensor.c +++ b/drivers/macintosh/windfarm_lm75_sensor.c @@ -147,7 +147,7 @@ static int wf_lm75_probe(struct i2c_client *client, return rc; } -static int wf_lm75_remove(struct i2c_client *client) +static void wf_lm75_remove(struct i2c_client *client) { struct wf_lm75_sensor *lm = i2c_get_clientdata(client); @@ -156,8 +156,6 @@ static int wf_lm75_remove(struct i2c_client *client) /* release sensor */ wf_unregister_sensor(&lm->sens); - - return 0; } static const struct i2c_device_id wf_lm75_id[] = { diff --git a/drivers/macintosh/windfarm_lm87_sensor.c b/drivers/macintosh/windfarm_lm87_sensor.c index 807efdde86bc..40d25463346e 100644 --- a/drivers/macintosh/windfarm_lm87_sensor.c +++ b/drivers/macintosh/windfarm_lm87_sensor.c @@ -145,7 +145,7 @@ static int wf_lm87_probe(struct i2c_client *client, return rc; } -static int wf_lm87_remove(struct i2c_client *client) +static void wf_lm87_remove(struct i2c_client *client) { struct wf_lm87_sensor *lm = i2c_get_clientdata(client); @@ -154,8 +154,6 @@ static int wf_lm87_remove(struct i2c_client *client) /* release sensor */ wf_unregister_sensor(&lm->sens); - - return 0; } static const struct i2c_device_id wf_lm87_id[] = { diff --git a/drivers/macintosh/windfarm_max6690_sensor.c b/drivers/macintosh/windfarm_max6690_sensor.c index 55ee417fb878..c0d404ebc792 100644 --- a/drivers/macintosh/windfarm_max6690_sensor.c +++ b/drivers/macintosh/windfarm_max6690_sensor.c @@ -104,14 +104,12 @@ static int wf_max6690_probe(struct i2c_client *client, return rc; } -static int wf_max6690_remove(struct i2c_client *client) +static void wf_max6690_remove(struct i2c_client *client) { struct wf_6690_sensor *max = i2c_get_clientdata(client); max->i2c = NULL; wf_unregister_sensor(&max->sens); - - return 0; } static const struct i2c_device_id wf_max6690_id[] = { diff --git a/drivers/macintosh/windfarm_smu_sat.c b/drivers/macintosh/windfarm_smu_sat.c index 5ade627eaa78..be5d4593db93 100644 --- a/drivers/macintosh/windfarm_smu_sat.c +++ b/drivers/macintosh/windfarm_smu_sat.c @@ -316,7 +316,7 @@ static int wf_sat_probe(struct i2c_client *client, return 0; } -static int wf_sat_remove(struct i2c_client *client) +static void wf_sat_remove(struct i2c_client *client) { struct wf_sat *sat = i2c_get_clientdata(client); struct wf_sat_sensor *sens; @@ -330,8 +330,6 @@ static int wf_sat_remove(struct i2c_client *client) } sat->i2c = NULL; kref_put(&sat->ref, wf_sat_release); - - return 0; } static const struct i2c_device_id wf_sat_id[] = { diff --git a/drivers/media/cec/i2c/ch7322.c b/drivers/media/cec/i2c/ch7322.c index 0814338c43e4..34fad7123704 100644 --- a/drivers/media/cec/i2c/ch7322.c +++ b/drivers/media/cec/i2c/ch7322.c @@ -565,7 +565,7 @@ err_mutex: return ret; } -static int ch7322_remove(struct i2c_client *client) +static void ch7322_remove(struct i2c_client *client) { struct ch7322 *ch7322 = i2c_get_clientdata(client); @@ -578,8 +578,6 @@ static int ch7322_remove(struct i2c_client *client) mutex_destroy(&ch7322->mutex); dev_info(&client->dev, "device unregistered\n"); - - return 0; } static const struct of_device_id ch7322_of_match[] = { diff --git a/drivers/media/dvb-frontends/a8293.c b/drivers/media/dvb-frontends/a8293.c index 57f52c004a23..ba38783b2b4f 100644 --- a/drivers/media/dvb-frontends/a8293.c +++ b/drivers/media/dvb-frontends/a8293.c @@ -98,14 +98,13 @@ err: return ret; } -static int a8293_remove(struct i2c_client *client) +static void a8293_remove(struct i2c_client *client) { struct a8293_dev *dev = i2c_get_clientdata(client); dev_dbg(&client->dev, "\n"); kfree(dev); - return 0; } static const struct i2c_device_id a8293_id_table[] = { diff --git a/drivers/media/dvb-frontends/af9013.c b/drivers/media/dvb-frontends/af9013.c index 7d7c341b2bd8..d85929582c3f 100644 --- a/drivers/media/dvb-frontends/af9013.c +++ b/drivers/media/dvb-frontends/af9013.c @@ -1540,7 +1540,7 @@ err: return ret; } -static int af9013_remove(struct i2c_client *client) +static void af9013_remove(struct i2c_client *client) { struct af9013_state *state = i2c_get_clientdata(client); @@ -1551,8 +1551,6 @@ static int af9013_remove(struct i2c_client *client) regmap_exit(state->regmap); kfree(state); - - return 0; } static const struct i2c_device_id af9013_id_table[] = { diff --git a/drivers/media/dvb-frontends/af9033.c b/drivers/media/dvb-frontends/af9033.c index 785c49b3d307..808da7a9ffe7 100644 --- a/drivers/media/dvb-frontends/af9033.c +++ b/drivers/media/dvb-frontends/af9033.c @@ -1163,7 +1163,7 @@ err: return ret; } -static int af9033_remove(struct i2c_client *client) +static void af9033_remove(struct i2c_client *client) { struct af9033_dev *dev = i2c_get_clientdata(client); @@ -1171,8 +1171,6 @@ static int af9033_remove(struct i2c_client *client) regmap_exit(dev->regmap); kfree(dev); - - return 0; } static const struct i2c_device_id af9033_id_table[] = { diff --git a/drivers/media/dvb-frontends/au8522_decoder.c b/drivers/media/dvb-frontends/au8522_decoder.c index 8cdca051e51b..e4f99bd468cb 100644 --- a/drivers/media/dvb-frontends/au8522_decoder.c +++ b/drivers/media/dvb-frontends/au8522_decoder.c @@ -758,13 +758,12 @@ static int au8522_probe(struct i2c_client *client, return 0; } -static int au8522_remove(struct i2c_client *client) +static void au8522_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(sd->ctrl_handler); au8522_release_state(to_state(sd)); - return 0; } static const struct i2c_device_id au8522_id[] = { diff --git a/drivers/media/dvb-frontends/cxd2099.c b/drivers/media/dvb-frontends/cxd2099.c index 1c8207ab8988..fbc666fa04ec 100644 --- a/drivers/media/dvb-frontends/cxd2099.c +++ b/drivers/media/dvb-frontends/cxd2099.c @@ -664,14 +664,12 @@ err: return ret; } -static int cxd2099_remove(struct i2c_client *client) +static void cxd2099_remove(struct i2c_client *client) { struct cxd *ci = i2c_get_clientdata(client); regmap_exit(ci->regmap); kfree(ci); - - return 0; } static const struct i2c_device_id cxd2099_id[] = { diff --git a/drivers/media/dvb-frontends/cxd2820r_core.c b/drivers/media/dvb-frontends/cxd2820r_core.c index b1618339eec0..5d98222f9df0 100644 --- a/drivers/media/dvb-frontends/cxd2820r_core.c +++ b/drivers/media/dvb-frontends/cxd2820r_core.c @@ -705,7 +705,7 @@ err: return ret; } -static int cxd2820r_remove(struct i2c_client *client) +static void cxd2820r_remove(struct i2c_client *client) { struct cxd2820r_priv *priv = i2c_get_clientdata(client); @@ -721,8 +721,6 @@ static int cxd2820r_remove(struct i2c_client *client) regmap_exit(priv->regmap[0]); kfree(priv); - - return 0; } static const struct i2c_device_id cxd2820r_id_table[] = { diff --git a/drivers/media/dvb-frontends/dvb-pll.c b/drivers/media/dvb-frontends/dvb-pll.c index d45b4ddc8f91..baf2a378e565 100644 --- a/drivers/media/dvb-frontends/dvb-pll.c +++ b/drivers/media/dvb-frontends/dvb-pll.c @@ -899,14 +899,13 @@ dvb_pll_probe(struct i2c_client *client, const struct i2c_device_id *id) return 0; } -static int dvb_pll_remove(struct i2c_client *client) +static void dvb_pll_remove(struct i2c_client *client) { struct dvb_frontend *fe = i2c_get_clientdata(client); struct dvb_pll_priv *priv = fe->tuner_priv; ida_simple_remove(&pll_ida, priv->nr); dvb_pll_release(fe); - return 0; } diff --git a/drivers/media/dvb-frontends/lgdt3306a.c b/drivers/media/dvb-frontends/lgdt3306a.c index 136b76cb4807..424311afb2bf 100644 --- a/drivers/media/dvb-frontends/lgdt3306a.c +++ b/drivers/media/dvb-frontends/lgdt3306a.c @@ -2226,7 +2226,7 @@ fail: return ret; } -static int lgdt3306a_remove(struct i2c_client *client) +static void lgdt3306a_remove(struct i2c_client *client) { struct lgdt3306a_state *state = i2c_get_clientdata(client); @@ -2237,8 +2237,6 @@ static int lgdt3306a_remove(struct i2c_client *client) kfree(state->cfg); kfree(state); - - return 0; } static const struct i2c_device_id lgdt3306a_id_table[] = { diff --git a/drivers/media/dvb-frontends/lgdt330x.c b/drivers/media/dvb-frontends/lgdt330x.c index da3a8c5e18d8..ea9ae22fd201 100644 --- a/drivers/media/dvb-frontends/lgdt330x.c +++ b/drivers/media/dvb-frontends/lgdt330x.c @@ -974,15 +974,13 @@ static const struct dvb_frontend_ops lgdt3303_ops = { .release = lgdt330x_release, }; -static int lgdt330x_remove(struct i2c_client *client) +static void lgdt330x_remove(struct i2c_client *client) { struct lgdt330x_state *state = i2c_get_clientdata(client); dev_dbg(&client->dev, "\n"); kfree(state); - - return 0; } static const struct i2c_device_id lgdt330x_id_table[] = { diff --git a/drivers/media/dvb-frontends/m88ds3103.c b/drivers/media/dvb-frontends/m88ds3103.c index bce0f42f3d19..4e844b2ef597 100644 --- a/drivers/media/dvb-frontends/m88ds3103.c +++ b/drivers/media/dvb-frontends/m88ds3103.c @@ -1914,7 +1914,7 @@ err: return ret; } -static int m88ds3103_remove(struct i2c_client *client) +static void m88ds3103_remove(struct i2c_client *client) { struct m88ds3103_dev *dev = i2c_get_clientdata(client); @@ -1926,7 +1926,6 @@ static int m88ds3103_remove(struct i2c_client *client) i2c_mux_del_adapters(dev->muxc); kfree(dev); - return 0; } static const struct i2c_device_id m88ds3103_id_table[] = { diff --git a/drivers/media/dvb-frontends/mn88443x.c b/drivers/media/dvb-frontends/mn88443x.c index fff212c0bf3b..452571b380b7 100644 --- a/drivers/media/dvb-frontends/mn88443x.c +++ b/drivers/media/dvb-frontends/mn88443x.c @@ -762,15 +762,13 @@ err_i2c_t: return ret; } -static int mn88443x_remove(struct i2c_client *client) +static void mn88443x_remove(struct i2c_client *client) { struct mn88443x_priv *chip = i2c_get_clientdata(client); mn88443x_cmn_power_off(chip); i2c_unregister_device(chip->client_t); - - return 0; } static const struct mn88443x_spec mn88443x_spec_pri = { diff --git a/drivers/media/dvb-frontends/mn88472.c b/drivers/media/dvb-frontends/mn88472.c index 73922fc8f39c..2b01cc678f7e 100644 --- a/drivers/media/dvb-frontends/mn88472.c +++ b/drivers/media/dvb-frontends/mn88472.c @@ -691,7 +691,7 @@ err: return ret; } -static int mn88472_remove(struct i2c_client *client) +static void mn88472_remove(struct i2c_client *client) { struct mn88472_dev *dev = i2c_get_clientdata(client); @@ -706,8 +706,6 @@ static int mn88472_remove(struct i2c_client *client) regmap_exit(dev->regmap[0]); kfree(dev); - - return 0; } static const struct i2c_device_id mn88472_id_table[] = { diff --git a/drivers/media/dvb-frontends/mn88473.c b/drivers/media/dvb-frontends/mn88473.c index 4838969ef735..f0ecf5910c02 100644 --- a/drivers/media/dvb-frontends/mn88473.c +++ b/drivers/media/dvb-frontends/mn88473.c @@ -726,7 +726,7 @@ err: return ret; } -static int mn88473_remove(struct i2c_client *client) +static void mn88473_remove(struct i2c_client *client) { struct mn88473_dev *dev = i2c_get_clientdata(client); @@ -741,8 +741,6 @@ static int mn88473_remove(struct i2c_client *client) regmap_exit(dev->regmap[0]); kfree(dev); - - return 0; } static const struct i2c_device_id mn88473_id_table[] = { diff --git a/drivers/media/dvb-frontends/mxl692.c b/drivers/media/dvb-frontends/mxl692.c index dd7954e8f553..129630cbffff 100644 --- a/drivers/media/dvb-frontends/mxl692.c +++ b/drivers/media/dvb-frontends/mxl692.c @@ -1337,15 +1337,13 @@ err: return -ENODEV; } -static int mxl692_remove(struct i2c_client *client) +static void mxl692_remove(struct i2c_client *client) { struct mxl692_dev *dev = i2c_get_clientdata(client); dev->fe.demodulator_priv = NULL; i2c_set_clientdata(client, NULL); kfree(dev); - - return 0; } static const struct i2c_device_id mxl692_id_table[] = { diff --git a/drivers/media/dvb-frontends/rtl2830.c b/drivers/media/dvb-frontends/rtl2830.c index e6b8367c8cce..e0fbf41316ae 100644 --- a/drivers/media/dvb-frontends/rtl2830.c +++ b/drivers/media/dvb-frontends/rtl2830.c @@ -865,7 +865,7 @@ err: return ret; } -static int rtl2830_remove(struct i2c_client *client) +static void rtl2830_remove(struct i2c_client *client) { struct rtl2830_dev *dev = i2c_get_clientdata(client); @@ -874,8 +874,6 @@ static int rtl2830_remove(struct i2c_client *client) i2c_mux_del_adapters(dev->muxc); regmap_exit(dev->regmap); kfree(dev); - - return 0; } static const struct i2c_device_id rtl2830_id_table[] = { diff --git a/drivers/media/dvb-frontends/rtl2832.c b/drivers/media/dvb-frontends/rtl2832.c index dcbeb9f5e12a..4fa884eda5d5 100644 --- a/drivers/media/dvb-frontends/rtl2832.c +++ b/drivers/media/dvb-frontends/rtl2832.c @@ -1110,7 +1110,7 @@ err: return ret; } -static int rtl2832_remove(struct i2c_client *client) +static void rtl2832_remove(struct i2c_client *client) { struct rtl2832_dev *dev = i2c_get_clientdata(client); @@ -1123,8 +1123,6 @@ static int rtl2832_remove(struct i2c_client *client) regmap_exit(dev->regmap); kfree(dev); - - return 0; } static const struct i2c_device_id rtl2832_id_table[] = { diff --git a/drivers/media/dvb-frontends/si2165.c b/drivers/media/dvb-frontends/si2165.c index ebee230afb7b..86b0d59169dd 100644 --- a/drivers/media/dvb-frontends/si2165.c +++ b/drivers/media/dvb-frontends/si2165.c @@ -1274,14 +1274,13 @@ error: return ret; } -static int si2165_remove(struct i2c_client *client) +static void si2165_remove(struct i2c_client *client) { struct si2165_state *state = i2c_get_clientdata(client); dev_dbg(&client->dev, "\n"); kfree(state); - return 0; } static const struct i2c_device_id si2165_id_table[] = { diff --git a/drivers/media/dvb-frontends/si2168.c b/drivers/media/dvb-frontends/si2168.c index 196e028a6617..8157df4570d1 100644 --- a/drivers/media/dvb-frontends/si2168.c +++ b/drivers/media/dvb-frontends/si2168.c @@ -774,7 +774,7 @@ err: return ret; } -static int si2168_remove(struct i2c_client *client) +static void si2168_remove(struct i2c_client *client) { struct si2168_dev *dev = i2c_get_clientdata(client); @@ -786,8 +786,6 @@ static int si2168_remove(struct i2c_client *client) dev->fe.demodulator_priv = NULL; kfree(dev); - - return 0; } static const struct i2c_device_id si2168_id_table[] = { diff --git a/drivers/media/dvb-frontends/sp2.c b/drivers/media/dvb-frontends/sp2.c index 992f22167fbe..27e7037e130e 100644 --- a/drivers/media/dvb-frontends/sp2.c +++ b/drivers/media/dvb-frontends/sp2.c @@ -398,14 +398,13 @@ err: return ret; } -static int sp2_remove(struct i2c_client *client) +static void sp2_remove(struct i2c_client *client) { struct sp2 *s = i2c_get_clientdata(client); dev_dbg(&client->dev, "\n"); sp2_exit(client); kfree(s); - return 0; } static const struct i2c_device_id sp2_id[] = { diff --git a/drivers/media/dvb-frontends/stv090x.c b/drivers/media/dvb-frontends/stv090x.c index 90d24131d335..0a600c1d7d1b 100644 --- a/drivers/media/dvb-frontends/stv090x.c +++ b/drivers/media/dvb-frontends/stv090x.c @@ -5032,12 +5032,11 @@ error: return ret; } -static int stv090x_remove(struct i2c_client *client) +static void stv090x_remove(struct i2c_client *client) { struct stv090x_state *state = i2c_get_clientdata(client); stv090x_release(&state->frontend); - return 0; } struct dvb_frontend *stv090x_attach(struct stv090x_config *config, diff --git a/drivers/media/dvb-frontends/stv6110x.c b/drivers/media/dvb-frontends/stv6110x.c index 5012d0231652..fbc4dbd62151 100644 --- a/drivers/media/dvb-frontends/stv6110x.c +++ b/drivers/media/dvb-frontends/stv6110x.c @@ -436,12 +436,11 @@ static int stv6110x_probe(struct i2c_client *client, return 0; } -static int stv6110x_remove(struct i2c_client *client) +static void stv6110x_remove(struct i2c_client *client) { struct stv6110x_state *stv6110x = i2c_get_clientdata(client); stv6110x_release(stv6110x->frontend); - return 0; } const struct stv6110x_devctl *stv6110x_attach(struct dvb_frontend *fe, diff --git a/drivers/media/dvb-frontends/tc90522.c b/drivers/media/dvb-frontends/tc90522.c index e83836b29715..c22d2a2b2a45 100644 --- a/drivers/media/dvb-frontends/tc90522.c +++ b/drivers/media/dvb-frontends/tc90522.c @@ -819,14 +819,13 @@ free_state: return ret; } -static int tc90522_remove(struct i2c_client *client) +static void tc90522_remove(struct i2c_client *client) { struct tc90522_state *state; state = cfg_to_state(i2c_get_clientdata(client)); i2c_del_adapter(&state->tuner_i2c); kfree(state); - return 0; } diff --git a/drivers/media/dvb-frontends/tda10071.c b/drivers/media/dvb-frontends/tda10071.c index 685c0ac71819..d1098ef20a8b 100644 --- a/drivers/media/dvb-frontends/tda10071.c +++ b/drivers/media/dvb-frontends/tda10071.c @@ -1221,14 +1221,13 @@ err: return ret; } -static int tda10071_remove(struct i2c_client *client) +static void tda10071_remove(struct i2c_client *client) { struct tda10071_dev *dev = i2c_get_clientdata(client); dev_dbg(&client->dev, "\n"); kfree(dev); - return 0; } static const struct i2c_device_id tda10071_id_table[] = { diff --git a/drivers/media/dvb-frontends/ts2020.c b/drivers/media/dvb-frontends/ts2020.c index 3e383912bcfd..02338256b974 100644 --- a/drivers/media/dvb-frontends/ts2020.c +++ b/drivers/media/dvb-frontends/ts2020.c @@ -696,7 +696,7 @@ err: return ret; } -static int ts2020_remove(struct i2c_client *client) +static void ts2020_remove(struct i2c_client *client) { struct ts2020_priv *dev = i2c_get_clientdata(client); @@ -708,7 +708,6 @@ static int ts2020_remove(struct i2c_client *client) regmap_exit(dev->regmap); kfree(dev); - return 0; } static const struct i2c_device_id ts2020_id_table[] = { diff --git a/drivers/media/i2c/ad5820.c b/drivers/media/i2c/ad5820.c index 2958a4694461..516de278cc49 100644 --- a/drivers/media/i2c/ad5820.c +++ b/drivers/media/i2c/ad5820.c @@ -342,7 +342,7 @@ cleanup: return ret; } -static int ad5820_remove(struct i2c_client *client) +static void ad5820_remove(struct i2c_client *client) { struct v4l2_subdev *subdev = i2c_get_clientdata(client); struct ad5820_device *coil = to_ad5820_device(subdev); @@ -351,7 +351,6 @@ static int ad5820_remove(struct i2c_client *client) v4l2_ctrl_handler_free(&coil->ctrls); media_entity_cleanup(&coil->subdev.entity); mutex_destroy(&coil->power_lock); - return 0; } static const struct i2c_device_id ad5820_id_table[] = { diff --git a/drivers/media/i2c/ad9389b.c b/drivers/media/i2c/ad9389b.c index 8679a44e6413..4a255a492918 100644 --- a/drivers/media/i2c/ad9389b.c +++ b/drivers/media/i2c/ad9389b.c @@ -1174,7 +1174,7 @@ err_hdl: /* ----------------------------------------------------------------------- */ -static int ad9389b_remove(struct i2c_client *client) +static void ad9389b_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct ad9389b_state *state = get_ad9389b_state(sd); @@ -1192,7 +1192,6 @@ static int ad9389b_remove(struct i2c_client *client) v4l2_device_unregister_subdev(sd); media_entity_cleanup(&sd->entity); v4l2_ctrl_handler_free(sd->ctrl_handler); - return 0; } /* ----------------------------------------------------------------------- */ diff --git a/drivers/media/i2c/adp1653.c b/drivers/media/i2c/adp1653.c index 522a0b10e415..1f353157df07 100644 --- a/drivers/media/i2c/adp1653.c +++ b/drivers/media/i2c/adp1653.c @@ -510,7 +510,7 @@ free_and_quit: return ret; } -static int adp1653_remove(struct i2c_client *client) +static void adp1653_remove(struct i2c_client *client) { struct v4l2_subdev *subdev = i2c_get_clientdata(client); struct adp1653_flash *flash = to_adp1653_flash(subdev); @@ -518,8 +518,6 @@ static int adp1653_remove(struct i2c_client *client) v4l2_device_unregister_subdev(&flash->subdev); v4l2_ctrl_handler_free(&flash->ctrls); media_entity_cleanup(&flash->subdev.entity); - - return 0; } static const struct i2c_device_id adp1653_id_table[] = { diff --git a/drivers/media/i2c/adv7170.c b/drivers/media/i2c/adv7170.c index 714e31f993e1..61a2f87d3c62 100644 --- a/drivers/media/i2c/adv7170.c +++ b/drivers/media/i2c/adv7170.c @@ -368,12 +368,11 @@ static int adv7170_probe(struct i2c_client *client, return 0; } -static int adv7170_remove(struct i2c_client *client) +static void adv7170_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); - return 0; } /* ----------------------------------------------------------------------- */ diff --git a/drivers/media/i2c/adv7175.c b/drivers/media/i2c/adv7175.c index 1813f67f0fe1..b58689728243 100644 --- a/drivers/media/i2c/adv7175.c +++ b/drivers/media/i2c/adv7175.c @@ -423,12 +423,11 @@ static int adv7175_probe(struct i2c_client *client, return 0; } -static int adv7175_remove(struct i2c_client *client) +static void adv7175_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); - return 0; } /* ----------------------------------------------------------------------- */ diff --git a/drivers/media/i2c/adv7180.c b/drivers/media/i2c/adv7180.c index 5fde5243722d..216fe396973f 100644 --- a/drivers/media/i2c/adv7180.c +++ b/drivers/media/i2c/adv7180.c @@ -1514,7 +1514,7 @@ err_unregister_csi_client: return ret; } -static int adv7180_remove(struct i2c_client *client) +static void adv7180_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct adv7180_state *state = to_state(sd); @@ -1534,8 +1534,6 @@ static int adv7180_remove(struct i2c_client *client) adv7180_set_power_pin(state, false); mutex_destroy(&state->mutex); - - return 0; } static const struct i2c_device_id adv7180_id[] = { diff --git a/drivers/media/i2c/adv7183.c b/drivers/media/i2c/adv7183.c index ba746a19fd39..313c706e8335 100644 --- a/drivers/media/i2c/adv7183.c +++ b/drivers/media/i2c/adv7183.c @@ -613,13 +613,12 @@ static int adv7183_probe(struct i2c_client *client, return 0; } -static int adv7183_remove(struct i2c_client *client) +static void adv7183_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(sd->ctrl_handler); - return 0; } static const struct i2c_device_id adv7183_id[] = { diff --git a/drivers/media/i2c/adv7343.c b/drivers/media/i2c/adv7343.c index 63e94dfcb5d3..7e84869d2434 100644 --- a/drivers/media/i2c/adv7343.c +++ b/drivers/media/i2c/adv7343.c @@ -492,15 +492,13 @@ done: return err; } -static int adv7343_remove(struct i2c_client *client) +static void adv7343_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct adv7343_state *state = to_state(sd); v4l2_async_unregister_subdev(&state->sd); v4l2_ctrl_handler_free(&state->hdl); - - return 0; } static const struct i2c_device_id adv7343_id[] = { diff --git a/drivers/media/i2c/adv7393.c b/drivers/media/i2c/adv7393.c index b6234c8231c9..fb5fefa83b18 100644 --- a/drivers/media/i2c/adv7393.c +++ b/drivers/media/i2c/adv7393.c @@ -437,15 +437,13 @@ static int adv7393_probe(struct i2c_client *client, return err; } -static int adv7393_remove(struct i2c_client *client) +static void adv7393_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct adv7393_state *state = to_state(sd); v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(&state->hdl); - - return 0; } static const struct i2c_device_id adv7393_id[] = { diff --git a/drivers/media/i2c/adv748x/adv748x-core.c b/drivers/media/i2c/adv748x/adv748x-core.c index 4e54148147b9..4498d78a2357 100644 --- a/drivers/media/i2c/adv748x/adv748x-core.c +++ b/drivers/media/i2c/adv748x/adv748x-core.c @@ -815,7 +815,7 @@ err_free_mutex: return ret; } -static int adv748x_remove(struct i2c_client *client) +static void adv748x_remove(struct i2c_client *client) { struct adv748x_state *state = i2c_get_clientdata(client); @@ -828,8 +828,6 @@ static int adv748x_remove(struct i2c_client *client) adv748x_unregister_clients(state); adv748x_dt_cleanup(state); mutex_destroy(&state->mutex); - - return 0; } static const struct of_device_id adv748x_of_table[] = { diff --git a/drivers/media/i2c/adv7511-v4l2.c b/drivers/media/i2c/adv7511-v4l2.c index 202e0cd83f90..49aca579576a 100644 --- a/drivers/media/i2c/adv7511-v4l2.c +++ b/drivers/media/i2c/adv7511-v4l2.c @@ -1923,7 +1923,7 @@ err_hdl: /* ----------------------------------------------------------------------- */ -static int adv7511_remove(struct i2c_client *client) +static void adv7511_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct adv7511_state *state = get_adv7511_state(sd); @@ -1943,7 +1943,6 @@ static int adv7511_remove(struct i2c_client *client) v4l2_device_unregister_subdev(sd); media_entity_cleanup(&sd->entity); v4l2_ctrl_handler_free(sd->ctrl_handler); - return 0; } /* ----------------------------------------------------------------------- */ diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c index 497419a5cfdd..5988a4fa0c46 100644 --- a/drivers/media/i2c/adv7604.c +++ b/drivers/media/i2c/adv7604.c @@ -3660,7 +3660,7 @@ err_hdl: /* ----------------------------------------------------------------------- */ -static int adv76xx_remove(struct i2c_client *client) +static void adv76xx_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct adv76xx_state *state = to_state(sd); @@ -3677,7 +3677,6 @@ static int adv76xx_remove(struct i2c_client *client) media_entity_cleanup(&sd->entity); adv76xx_unregister_clients(to_state(sd)); v4l2_ctrl_handler_free(sd->ctrl_handler); - return 0; } /* ----------------------------------------------------------------------- */ diff --git a/drivers/media/i2c/adv7842.c b/drivers/media/i2c/adv7842.c index 22caa070273b..a8dd92948df0 100644 --- a/drivers/media/i2c/adv7842.c +++ b/drivers/media/i2c/adv7842.c @@ -3593,7 +3593,7 @@ err_hdl: /* ----------------------------------------------------------------------- */ -static int adv7842_remove(struct i2c_client *client) +static void adv7842_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct adv7842_state *state = to_state(sd); @@ -3604,7 +3604,6 @@ static int adv7842_remove(struct i2c_client *client) media_entity_cleanup(&sd->entity); adv7842_unregister_clients(sd); v4l2_ctrl_handler_free(sd->ctrl_handler); - return 0; } /* ----------------------------------------------------------------------- */ diff --git a/drivers/media/i2c/ak7375.c b/drivers/media/i2c/ak7375.c index 40b1a4aa846c..1af9f698eecf 100644 --- a/drivers/media/i2c/ak7375.c +++ b/drivers/media/i2c/ak7375.c @@ -169,7 +169,7 @@ err_cleanup: return ret; } -static int ak7375_remove(struct i2c_client *client) +static void ak7375_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct ak7375_device *ak7375_dev = sd_to_ak7375_vcm(sd); @@ -177,8 +177,6 @@ static int ak7375_remove(struct i2c_client *client) ak7375_subdev_cleanup(ak7375_dev); pm_runtime_disable(&client->dev); pm_runtime_set_suspended(&client->dev); - - return 0; } /* diff --git a/drivers/media/i2c/ak881x.c b/drivers/media/i2c/ak881x.c index dc569d5a4d9d..0370ad6b6811 100644 --- a/drivers/media/i2c/ak881x.c +++ b/drivers/media/i2c/ak881x.c @@ -297,13 +297,11 @@ static int ak881x_probe(struct i2c_client *client, return 0; } -static int ak881x_remove(struct i2c_client *client) +static void ak881x_remove(struct i2c_client *client) { struct ak881x *ak881x = to_ak881x(client); v4l2_device_unregister_subdev(&ak881x->subdev); - - return 0; } static const struct i2c_device_id ak881x_id[] = { diff --git a/drivers/media/i2c/ar0521.c b/drivers/media/i2c/ar0521.c index c7bdfc69b9be..c6ab531532be 100644 --- a/drivers/media/i2c/ar0521.c +++ b/drivers/media/i2c/ar0521.c @@ -1018,7 +1018,7 @@ entity_cleanup: return ret; } -static int ar0521_remove(struct i2c_client *client) +static void ar0521_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct ar0521_dev *sensor = to_ar0521_dev(sd); @@ -1031,7 +1031,6 @@ static int ar0521_remove(struct i2c_client *client) ar0521_power_off(&client->dev); pm_runtime_set_suspended(&client->dev); mutex_destroy(&sensor->lock); - return 0; } static const struct dev_pm_ops ar0521_pm_ops = { diff --git a/drivers/media/i2c/bt819.c b/drivers/media/i2c/bt819.c index 73bc50c919d7..4d9bb6eb7d65 100644 --- a/drivers/media/i2c/bt819.c +++ b/drivers/media/i2c/bt819.c @@ -446,14 +446,13 @@ static int bt819_probe(struct i2c_client *client, return 0; } -static int bt819_remove(struct i2c_client *client) +static void bt819_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct bt819 *decoder = to_bt819(sd); v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(&decoder->hdl); - return 0; } /* ----------------------------------------------------------------------- */ diff --git a/drivers/media/i2c/bt856.c b/drivers/media/i2c/bt856.c index c134fda270a1..70443ef1ac46 100644 --- a/drivers/media/i2c/bt856.c +++ b/drivers/media/i2c/bt856.c @@ -223,12 +223,11 @@ static int bt856_probe(struct i2c_client *client, return 0; } -static int bt856_remove(struct i2c_client *client) +static void bt856_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); - return 0; } static const struct i2c_device_id bt856_id[] = { diff --git a/drivers/media/i2c/bt866.c b/drivers/media/i2c/bt866.c index 1a8df9f18ffb..c2508cbafd02 100644 --- a/drivers/media/i2c/bt866.c +++ b/drivers/media/i2c/bt866.c @@ -190,12 +190,11 @@ static int bt866_probe(struct i2c_client *client, return 0; } -static int bt866_remove(struct i2c_client *client) +static void bt866_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); - return 0; } static const struct i2c_device_id bt866_id[] = { diff --git a/drivers/media/i2c/ccs/ccs-core.c b/drivers/media/i2c/ccs/ccs-core.c index 7609add2aff4..4a14d7e5d9f2 100644 --- a/drivers/media/i2c/ccs/ccs-core.c +++ b/drivers/media/i2c/ccs/ccs-core.c @@ -3665,7 +3665,7 @@ out_power_off: return rval; } -static int ccs_remove(struct i2c_client *client) +static void ccs_remove(struct i2c_client *client) { struct v4l2_subdev *subdev = i2c_get_clientdata(client); struct ccs_sensor *sensor = to_ccs_sensor(subdev); @@ -3687,8 +3687,6 @@ static int ccs_remove(struct i2c_client *client) kfree(sensor->ccs_limits); kvfree(sensor->sdata.backing); kvfree(sensor->mdata.backing); - - return 0; } static const struct ccs_device smia_device = { diff --git a/drivers/media/i2c/cs3308.c b/drivers/media/i2c/cs3308.c index ebe55e261bff..d901a59883a9 100644 --- a/drivers/media/i2c/cs3308.c +++ b/drivers/media/i2c/cs3308.c @@ -99,13 +99,12 @@ static int cs3308_probe(struct i2c_client *client, /* ----------------------------------------------------------------------- */ -static int cs3308_remove(struct i2c_client *client) +static void cs3308_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); kfree(sd); - return 0; } /* ----------------------------------------------------------------------- */ diff --git a/drivers/media/i2c/cs5345.c b/drivers/media/i2c/cs5345.c index f6dd5edf77dd..591b1e7b24ee 100644 --- a/drivers/media/i2c/cs5345.c +++ b/drivers/media/i2c/cs5345.c @@ -178,14 +178,13 @@ static int cs5345_probe(struct i2c_client *client, /* ----------------------------------------------------------------------- */ -static int cs5345_remove(struct i2c_client *client) +static void cs5345_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct cs5345_state *state = to_state(sd); v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(&state->hdl); - return 0; } /* ----------------------------------------------------------------------- */ diff --git a/drivers/media/i2c/cs53l32a.c b/drivers/media/i2c/cs53l32a.c index 9a411106cfb3..9461589aea30 100644 --- a/drivers/media/i2c/cs53l32a.c +++ b/drivers/media/i2c/cs53l32a.c @@ -190,14 +190,13 @@ static int cs53l32a_probe(struct i2c_client *client, return 0; } -static int cs53l32a_remove(struct i2c_client *client) +static void cs53l32a_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct cs53l32a_state *state = to_state(sd); v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(&state->hdl); - return 0; } static const struct i2c_device_id cs53l32a_id[] = { diff --git a/drivers/media/i2c/cx25840/cx25840-core.c b/drivers/media/i2c/cx25840/cx25840-core.c index dc31944c7d5b..f1a978af82ef 100644 --- a/drivers/media/i2c/cx25840/cx25840-core.c +++ b/drivers/media/i2c/cx25840/cx25840-core.c @@ -6026,7 +6026,7 @@ static int cx25840_probe(struct i2c_client *client, return 0; } -static int cx25840_remove(struct i2c_client *client) +static void cx25840_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct cx25840_state *state = to_state(sd); @@ -6034,7 +6034,6 @@ static int cx25840_remove(struct i2c_client *client) cx25840_ir_remove(sd); v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(&state->hdl); - return 0; } static const struct i2c_device_id cx25840_id[] = { diff --git a/drivers/media/i2c/dw9714.c b/drivers/media/i2c/dw9714.c index 206d74338b9c..af59687383aa 100644 --- a/drivers/media/i2c/dw9714.c +++ b/drivers/media/i2c/dw9714.c @@ -190,7 +190,7 @@ err_cleanup: return rval; } -static int dw9714_remove(struct i2c_client *client) +static void dw9714_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct dw9714_device *dw9714_dev = sd_to_dw9714_vcm(sd); @@ -206,8 +206,6 @@ static int dw9714_remove(struct i2c_client *client) } pm_runtime_set_suspended(&client->dev); dw9714_subdev_cleanup(dw9714_dev); - - return 0; } /* diff --git a/drivers/media/i2c/dw9768.c b/drivers/media/i2c/dw9768.c index c086580efac7..0f47ef015a1d 100644 --- a/drivers/media/i2c/dw9768.c +++ b/drivers/media/i2c/dw9768.c @@ -499,7 +499,7 @@ err_free_handler: return ret; } -static int dw9768_remove(struct i2c_client *client) +static void dw9768_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct dw9768 *dw9768 = sd_to_dw9768(sd); @@ -511,8 +511,6 @@ static int dw9768_remove(struct i2c_client *client) if (!pm_runtime_status_suspended(&client->dev)) dw9768_runtime_suspend(&client->dev); pm_runtime_set_suspended(&client->dev); - - return 0; } static const struct of_device_id dw9768_of_table[] = { diff --git a/drivers/media/i2c/dw9807-vcm.c b/drivers/media/i2c/dw9807-vcm.c index 01c372925a80..3599720db7e9 100644 --- a/drivers/media/i2c/dw9807-vcm.c +++ b/drivers/media/i2c/dw9807-vcm.c @@ -216,7 +216,7 @@ err_cleanup: return rval; } -static int dw9807_remove(struct i2c_client *client) +static void dw9807_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct dw9807_device *dw9807_dev = sd_to_dw9807_vcm(sd); @@ -224,8 +224,6 @@ static int dw9807_remove(struct i2c_client *client) pm_runtime_disable(&client->dev); dw9807_subdev_cleanup(dw9807_dev); - - return 0; } /* diff --git a/drivers/media/i2c/et8ek8/et8ek8_driver.c b/drivers/media/i2c/et8ek8/et8ek8_driver.c index 873d614339bb..ff9bb9fc97dd 100644 --- a/drivers/media/i2c/et8ek8/et8ek8_driver.c +++ b/drivers/media/i2c/et8ek8/et8ek8_driver.c @@ -1460,7 +1460,7 @@ err_mutex: return ret; } -static int __exit et8ek8_remove(struct i2c_client *client) +static void __exit et8ek8_remove(struct i2c_client *client) { struct v4l2_subdev *subdev = i2c_get_clientdata(client); struct et8ek8_sensor *sensor = to_et8ek8_sensor(subdev); @@ -1477,8 +1477,6 @@ static int __exit et8ek8_remove(struct i2c_client *client) v4l2_async_unregister_subdev(&sensor->subdev); media_entity_cleanup(&sensor->subdev.entity); mutex_destroy(&sensor->power_lock); - - return 0; } static const struct of_device_id et8ek8_of_table[] = { diff --git a/drivers/media/i2c/hi556.c b/drivers/media/i2c/hi556.c index 055d1aa8410e..e422ac7609b5 100644 --- a/drivers/media/i2c/hi556.c +++ b/drivers/media/i2c/hi556.c @@ -1101,7 +1101,7 @@ check_hwcfg_error: return ret; } -static int hi556_remove(struct i2c_client *client) +static void hi556_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct hi556 *hi556 = to_hi556(sd); @@ -1111,8 +1111,6 @@ static int hi556_remove(struct i2c_client *client) v4l2_ctrl_handler_free(sd->ctrl_handler); pm_runtime_disable(&client->dev); mutex_destroy(&hi556->mutex); - - return 0; } static int hi556_probe(struct i2c_client *client) diff --git a/drivers/media/i2c/hi846.c b/drivers/media/i2c/hi846.c index ad35c3ff3611..c5b69823f257 100644 --- a/drivers/media/i2c/hi846.c +++ b/drivers/media/i2c/hi846.c @@ -2143,7 +2143,7 @@ err_mutex: return ret; } -static int hi846_remove(struct i2c_client *client) +static void hi846_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct hi846 *hi846 = to_hi846(sd); @@ -2158,8 +2158,6 @@ static int hi846_remove(struct i2c_client *client) pm_runtime_set_suspended(&client->dev); mutex_destroy(&hi846->mutex); - - return 0; } static const struct dev_pm_ops hi846_pm_ops = { diff --git a/drivers/media/i2c/hi847.c b/drivers/media/i2c/hi847.c index 7e85349e1852..5a82b15a9513 100644 --- a/drivers/media/i2c/hi847.c +++ b/drivers/media/i2c/hi847.c @@ -2903,7 +2903,7 @@ check_hwcfg_error: return ret; } -static int hi847_remove(struct i2c_client *client) +static void hi847_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct hi847 *hi847 = to_hi847(sd); @@ -2913,8 +2913,6 @@ static int hi847_remove(struct i2c_client *client) v4l2_ctrl_handler_free(sd->ctrl_handler); pm_runtime_disable(&client->dev); mutex_destroy(&hi847->mutex); - - return 0; } static int hi847_probe(struct i2c_client *client) diff --git a/drivers/media/i2c/imx208.c b/drivers/media/i2c/imx208.c index b9516b2f1c15..a0e17bb9d4ca 100644 --- a/drivers/media/i2c/imx208.c +++ b/drivers/media/i2c/imx208.c @@ -1061,7 +1061,7 @@ error_probe: return ret; } -static int imx208_remove(struct i2c_client *client) +static void imx208_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct imx208 *imx208 = to_imx208(sd); @@ -1075,8 +1075,6 @@ static int imx208_remove(struct i2c_client *client) pm_runtime_set_suspended(&client->dev); mutex_destroy(&imx208->imx208_mx); - - return 0; } static const struct dev_pm_ops imx208_pm_ops = { diff --git a/drivers/media/i2c/imx214.c b/drivers/media/i2c/imx214.c index 83c1737abeec..710c9fb515fd 100644 --- a/drivers/media/i2c/imx214.c +++ b/drivers/media/i2c/imx214.c @@ -1080,7 +1080,7 @@ free_ctrl: return ret; } -static int imx214_remove(struct i2c_client *client) +static void imx214_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct imx214 *imx214 = to_imx214(sd); @@ -1093,8 +1093,6 @@ static int imx214_remove(struct i2c_client *client) pm_runtime_set_suspended(&client->dev); mutex_destroy(&imx214->mutex); - - return 0; } static const struct of_device_id imx214_of_match[] = { diff --git a/drivers/media/i2c/imx219.c b/drivers/media/i2c/imx219.c index e10af3f74b38..77bd79a5954e 100644 --- a/drivers/media/i2c/imx219.c +++ b/drivers/media/i2c/imx219.c @@ -1562,7 +1562,7 @@ error_power_off: return ret; } -static int imx219_remove(struct i2c_client *client) +static void imx219_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct imx219 *imx219 = to_imx219(sd); @@ -1575,8 +1575,6 @@ static int imx219_remove(struct i2c_client *client) if (!pm_runtime_status_suspended(&client->dev)) imx219_power_off(&client->dev); pm_runtime_set_suspended(&client->dev); - - return 0; } static const struct of_device_id imx219_dt_ids[] = { diff --git a/drivers/media/i2c/imx258.c b/drivers/media/i2c/imx258.c index c249507aa2db..eab5fc1ee2f7 100644 --- a/drivers/media/i2c/imx258.c +++ b/drivers/media/i2c/imx258.c @@ -1338,7 +1338,7 @@ error_identify: return ret; } -static int imx258_remove(struct i2c_client *client) +static void imx258_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct imx258 *imx258 = to_imx258(sd); @@ -1351,8 +1351,6 @@ static int imx258_remove(struct i2c_client *client) if (!pm_runtime_status_suspended(&client->dev)) imx258_power_off(&client->dev); pm_runtime_set_suspended(&client->dev); - - return 0; } static const struct dev_pm_ops imx258_pm_ops = { diff --git a/drivers/media/i2c/imx274.c b/drivers/media/i2c/imx274.c index 7de1f2948e53..a00761b1e18c 100644 --- a/drivers/media/i2c/imx274.c +++ b/drivers/media/i2c/imx274.c @@ -2142,7 +2142,7 @@ err_regmap: return ret; } -static int imx274_remove(struct i2c_client *client) +static void imx274_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct stimx274 *imx274 = to_imx274(sd); @@ -2157,7 +2157,6 @@ static int imx274_remove(struct i2c_client *client) media_entity_cleanup(&sd->entity); mutex_destroy(&imx274->lock); - return 0; } static const struct dev_pm_ops imx274_pm_ops = { diff --git a/drivers/media/i2c/imx290.c b/drivers/media/i2c/imx290.c index 99f2a50d39a4..1ce64dcdf7f0 100644 --- a/drivers/media/i2c/imx290.c +++ b/drivers/media/i2c/imx290.c @@ -1119,7 +1119,7 @@ free_err: return ret; } -static int imx290_remove(struct i2c_client *client) +static void imx290_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct imx290 *imx290 = to_imx290(sd); @@ -1134,8 +1134,6 @@ static int imx290_remove(struct i2c_client *client) if (!pm_runtime_status_suspended(imx290->dev)) imx290_power_off(imx290->dev); pm_runtime_set_suspended(imx290->dev); - - return 0; } static const struct of_device_id imx290_of_match[] = { diff --git a/drivers/media/i2c/imx319.c b/drivers/media/i2c/imx319.c index a2b5a34de76b..245a18fb40ad 100644 --- a/drivers/media/i2c/imx319.c +++ b/drivers/media/i2c/imx319.c @@ -2523,7 +2523,7 @@ error_probe: return ret; } -static int imx319_remove(struct i2c_client *client) +static void imx319_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct imx319 *imx319 = to_imx319(sd); @@ -2536,8 +2536,6 @@ static int imx319_remove(struct i2c_client *client) pm_runtime_set_suspended(&client->dev); mutex_destroy(&imx319->mutex); - - return 0; } static const struct dev_pm_ops imx319_pm_ops = { diff --git a/drivers/media/i2c/imx334.c b/drivers/media/i2c/imx334.c index 062125501788..7b0a9086447d 100644 --- a/drivers/media/i2c/imx334.c +++ b/drivers/media/i2c/imx334.c @@ -1089,7 +1089,7 @@ error_mutex_destroy: * * Return: 0 if successful, error code otherwise. */ -static int imx334_remove(struct i2c_client *client) +static void imx334_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct imx334 *imx334 = to_imx334(sd); @@ -1102,8 +1102,6 @@ static int imx334_remove(struct i2c_client *client) pm_runtime_suspended(&client->dev); mutex_destroy(&imx334->mutex); - - return 0; } static const struct dev_pm_ops imx334_pm_ops = { diff --git a/drivers/media/i2c/imx335.c b/drivers/media/i2c/imx335.c index 410d6b86feb5..078ede2b7a00 100644 --- a/drivers/media/i2c/imx335.c +++ b/drivers/media/i2c/imx335.c @@ -1083,7 +1083,7 @@ error_mutex_destroy: * * Return: 0 if successful, error code otherwise. */ -static int imx335_remove(struct i2c_client *client) +static void imx335_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct imx335 *imx335 = to_imx335(sd); @@ -1098,8 +1098,6 @@ static int imx335_remove(struct i2c_client *client) pm_runtime_set_suspended(&client->dev); mutex_destroy(&imx335->mutex); - - return 0; } static const struct dev_pm_ops imx335_pm_ops = { diff --git a/drivers/media/i2c/imx355.c b/drivers/media/i2c/imx355.c index 3922b9305978..b46178681c05 100644 --- a/drivers/media/i2c/imx355.c +++ b/drivers/media/i2c/imx355.c @@ -1810,7 +1810,7 @@ error_probe: return ret; } -static int imx355_remove(struct i2c_client *client) +static void imx355_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct imx355 *imx355 = to_imx355(sd); @@ -1823,8 +1823,6 @@ static int imx355_remove(struct i2c_client *client) pm_runtime_set_suspended(&client->dev); mutex_destroy(&imx355->mutex); - - return 0; } static const struct dev_pm_ops imx355_pm_ops = { diff --git a/drivers/media/i2c/imx412.c b/drivers/media/i2c/imx412.c index a1394d6c1432..7f6d29e0e7c4 100644 --- a/drivers/media/i2c/imx412.c +++ b/drivers/media/i2c/imx412.c @@ -1257,7 +1257,7 @@ error_mutex_destroy: * * Return: 0 if successful, error code otherwise. */ -static int imx412_remove(struct i2c_client *client) +static void imx412_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct imx412 *imx412 = to_imx412(sd); @@ -1272,8 +1272,6 @@ static int imx412_remove(struct i2c_client *client) pm_runtime_set_suspended(&client->dev); mutex_destroy(&imx412->mutex); - - return 0; } static const struct dev_pm_ops imx412_pm_ops = { diff --git a/drivers/media/i2c/ir-kbd-i2c.c b/drivers/media/i2c/ir-kbd-i2c.c index 56674173524f..ee6bbbb977f7 100644 --- a/drivers/media/i2c/ir-kbd-i2c.c +++ b/drivers/media/i2c/ir-kbd-i2c.c @@ -915,7 +915,7 @@ static int ir_probe(struct i2c_client *client, const struct i2c_device_id *id) return err; } -static int ir_remove(struct i2c_client *client) +static void ir_remove(struct i2c_client *client) { struct IR_i2c *ir = i2c_get_clientdata(client); @@ -924,8 +924,6 @@ static int ir_remove(struct i2c_client *client) i2c_unregister_device(ir->tx_c); rc_unregister_device(ir->rc); - - return 0; } static const struct i2c_device_id ir_kbd_id[] = { diff --git a/drivers/media/i2c/isl7998x.c b/drivers/media/i2c/isl7998x.c index dc3068549dfa..246d8d182a8e 100644 --- a/drivers/media/i2c/isl7998x.c +++ b/drivers/media/i2c/isl7998x.c @@ -1544,7 +1544,7 @@ err_entity_cleanup: return ret; } -static int isl7998x_remove(struct i2c_client *client) +static void isl7998x_remove(struct i2c_client *client) { struct isl7998x *isl7998x = i2c_to_isl7998x(client); @@ -1552,8 +1552,6 @@ static int isl7998x_remove(struct i2c_client *client) v4l2_async_unregister_subdev(&isl7998x->subdev); isl7998x_remove_controls(isl7998x); media_entity_cleanup(&isl7998x->subdev.entity); - - return 0; } static const struct of_device_id isl7998x_of_match[] = { diff --git a/drivers/media/i2c/ks0127.c b/drivers/media/i2c/ks0127.c index c077f53b9c30..215d9a43b0b9 100644 --- a/drivers/media/i2c/ks0127.c +++ b/drivers/media/i2c/ks0127.c @@ -675,14 +675,13 @@ static int ks0127_probe(struct i2c_client *client, const struct i2c_device_id *i return 0; } -static int ks0127_remove(struct i2c_client *client) +static void ks0127_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); ks0127_write(sd, KS_OFMTA, 0x20); /* tristate */ ks0127_write(sd, KS_CMDA, 0x2c | 0x80); /* power down */ - return 0; } static const struct i2c_device_id ks0127_id[] = { diff --git a/drivers/media/i2c/lm3560.c b/drivers/media/i2c/lm3560.c index 9e34ccce4fc3..edad3138cb07 100644 --- a/drivers/media/i2c/lm3560.c +++ b/drivers/media/i2c/lm3560.c @@ -443,7 +443,7 @@ static int lm3560_probe(struct i2c_client *client, return 0; } -static int lm3560_remove(struct i2c_client *client) +static void lm3560_remove(struct i2c_client *client) { struct lm3560_flash *flash = i2c_get_clientdata(client); unsigned int i; @@ -453,8 +453,6 @@ static int lm3560_remove(struct i2c_client *client) v4l2_ctrl_handler_free(&flash->ctrls_led[i]); media_entity_cleanup(&flash->subdev_led[i].entity); } - - return 0; } static const struct i2c_device_id lm3560_id_table[] = { diff --git a/drivers/media/i2c/lm3646.c b/drivers/media/i2c/lm3646.c index c76ccf67a909..0aaa963917d8 100644 --- a/drivers/media/i2c/lm3646.c +++ b/drivers/media/i2c/lm3646.c @@ -377,15 +377,13 @@ static int lm3646_probe(struct i2c_client *client, return 0; } -static int lm3646_remove(struct i2c_client *client) +static void lm3646_remove(struct i2c_client *client) { struct lm3646_flash *flash = i2c_get_clientdata(client); v4l2_device_unregister_subdev(&flash->subdev_led); v4l2_ctrl_handler_free(&flash->ctrls_led); media_entity_cleanup(&flash->subdev_led.entity); - - return 0; } static const struct i2c_device_id lm3646_id_table[] = { diff --git a/drivers/media/i2c/m52790.c b/drivers/media/i2c/m52790.c index 0a1efc1417bc..2ab91b993c33 100644 --- a/drivers/media/i2c/m52790.c +++ b/drivers/media/i2c/m52790.c @@ -154,12 +154,11 @@ static int m52790_probe(struct i2c_client *client, return 0; } -static int m52790_remove(struct i2c_client *client) +static void m52790_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); - return 0; } /* ----------------------------------------------------------------------- */ diff --git a/drivers/media/i2c/m5mols/m5mols_core.c b/drivers/media/i2c/m5mols/m5mols_core.c index c19590389bfe..2201d2a26353 100644 --- a/drivers/media/i2c/m5mols/m5mols_core.c +++ b/drivers/media/i2c/m5mols/m5mols_core.c @@ -1020,15 +1020,13 @@ error: return ret; } -static int m5mols_remove(struct i2c_client *client) +static void m5mols_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(sd->ctrl_handler); media_entity_cleanup(&sd->entity); - - return 0; } static const struct i2c_device_id m5mols_id[] = { diff --git a/drivers/media/i2c/max2175.c b/drivers/media/i2c/max2175.c index 0eea200124d2..1019020f3a37 100644 --- a/drivers/media/i2c/max2175.c +++ b/drivers/media/i2c/max2175.c @@ -1403,15 +1403,13 @@ err_reg: return ret; } -static int max2175_remove(struct i2c_client *client) +static void max2175_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct max2175 *ctx = max2175_from_sd(sd); v4l2_ctrl_handler_free(&ctx->ctrl_hdl); v4l2_async_unregister_subdev(sd); - - return 0; } static const struct i2c_device_id max2175_id[] = { diff --git a/drivers/media/i2c/max9286.c b/drivers/media/i2c/max9286.c index 3684faa72253..9c083cf14231 100644 --- a/drivers/media/i2c/max9286.c +++ b/drivers/media/i2c/max9286.c @@ -1378,7 +1378,7 @@ err_powerdown: return ret; } -static int max9286_remove(struct i2c_client *client) +static void max9286_remove(struct i2c_client *client) { struct max9286_priv *priv = sd_to_max9286(i2c_get_clientdata(client)); @@ -1391,8 +1391,6 @@ static int max9286_remove(struct i2c_client *client) gpiod_set_value_cansleep(priv->gpiod_pwdn, 0); max9286_cleanup_dt(priv); - - return 0; } static const struct of_device_id max9286_dt_ids[] = { diff --git a/drivers/media/i2c/ml86v7667.c b/drivers/media/i2c/ml86v7667.c index 48cc0b0922f4..49ec59b0ca43 100644 --- a/drivers/media/i2c/ml86v7667.c +++ b/drivers/media/i2c/ml86v7667.c @@ -415,15 +415,13 @@ cleanup: return ret; } -static int ml86v7667_remove(struct i2c_client *client) +static void ml86v7667_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct ml86v7667_priv *priv = to_ml86v7667(sd); v4l2_ctrl_handler_free(&priv->hdl); v4l2_device_unregister_subdev(&priv->sd); - - return 0; } static const struct i2c_device_id ml86v7667_id[] = { diff --git a/drivers/media/i2c/msp3400-driver.c b/drivers/media/i2c/msp3400-driver.c index 39530d43590e..4ce7a15a9884 100644 --- a/drivers/media/i2c/msp3400-driver.c +++ b/drivers/media/i2c/msp3400-driver.c @@ -859,7 +859,7 @@ static int msp_probe(struct i2c_client *client, const struct i2c_device_id *id) return 0; } -static int msp_remove(struct i2c_client *client) +static void msp_remove(struct i2c_client *client) { struct msp_state *state = to_state(i2c_get_clientdata(client)); @@ -872,7 +872,6 @@ static int msp_remove(struct i2c_client *client) msp_reset(client); v4l2_ctrl_handler_free(&state->hdl); - return 0; } /* ----------------------------------------------------------------------- */ diff --git a/drivers/media/i2c/mt9m001.c b/drivers/media/i2c/mt9m001.c index ad13b0c890c0..ebf9cf1e1bce 100644 --- a/drivers/media/i2c/mt9m001.c +++ b/drivers/media/i2c/mt9m001.c @@ -833,7 +833,7 @@ error_hdl_free: return ret; } -static int mt9m001_remove(struct i2c_client *client) +static void mt9m001_remove(struct i2c_client *client) { struct mt9m001 *mt9m001 = to_mt9m001(client); @@ -853,8 +853,6 @@ static int mt9m001_remove(struct i2c_client *client) v4l2_ctrl_handler_free(&mt9m001->hdl); mutex_destroy(&mt9m001->mutex); - - return 0; } static const struct i2c_device_id mt9m001_id[] = { diff --git a/drivers/media/i2c/mt9m032.c b/drivers/media/i2c/mt9m032.c index ba0c0ea91c95..76b8c9c08c82 100644 --- a/drivers/media/i2c/mt9m032.c +++ b/drivers/media/i2c/mt9m032.c @@ -858,7 +858,7 @@ error_sensor: return ret; } -static int mt9m032_remove(struct i2c_client *client) +static void mt9m032_remove(struct i2c_client *client) { struct v4l2_subdev *subdev = i2c_get_clientdata(client); struct mt9m032 *sensor = to_mt9m032(subdev); @@ -867,7 +867,6 @@ static int mt9m032_remove(struct i2c_client *client) v4l2_ctrl_handler_free(&sensor->ctrls); media_entity_cleanup(&subdev->entity); mutex_destroy(&sensor->lock); - return 0; } static const struct i2c_device_id mt9m032_id_table[] = { diff --git a/drivers/media/i2c/mt9m111.c b/drivers/media/i2c/mt9m111.c index afc86efa9e3e..f5fe272d1205 100644 --- a/drivers/media/i2c/mt9m111.c +++ b/drivers/media/i2c/mt9m111.c @@ -1359,15 +1359,13 @@ out_hdlfree: return ret; } -static int mt9m111_remove(struct i2c_client *client) +static void mt9m111_remove(struct i2c_client *client) { struct mt9m111 *mt9m111 = to_mt9m111(client); v4l2_async_unregister_subdev(&mt9m111->subdev); media_entity_cleanup(&mt9m111->subdev.entity); v4l2_ctrl_handler_free(&mt9m111->hdl); - - return 0; } static const struct of_device_id mt9m111_of_match[] = { { .compatible = "micron,mt9m111", }, diff --git a/drivers/media/i2c/mt9p031.c b/drivers/media/i2c/mt9p031.c index 1fd4dc6e4726..45f7b5e52bc3 100644 --- a/drivers/media/i2c/mt9p031.c +++ b/drivers/media/i2c/mt9p031.c @@ -1209,7 +1209,7 @@ done: return ret; } -static int mt9p031_remove(struct i2c_client *client) +static void mt9p031_remove(struct i2c_client *client) { struct v4l2_subdev *subdev = i2c_get_clientdata(client); struct mt9p031 *mt9p031 = to_mt9p031(subdev); @@ -1218,8 +1218,6 @@ static int mt9p031_remove(struct i2c_client *client) v4l2_async_unregister_subdev(subdev); media_entity_cleanup(&subdev->entity); mutex_destroy(&mt9p031->power_lock); - - return 0; } static const struct i2c_device_id mt9p031_id[] = { diff --git a/drivers/media/i2c/mt9t001.c b/drivers/media/i2c/mt9t001.c index b651ee4a26e8..d5abe4a7ef07 100644 --- a/drivers/media/i2c/mt9t001.c +++ b/drivers/media/i2c/mt9t001.c @@ -961,7 +961,7 @@ done: return ret; } -static int mt9t001_remove(struct i2c_client *client) +static void mt9t001_remove(struct i2c_client *client) { struct v4l2_subdev *subdev = i2c_get_clientdata(client); struct mt9t001 *mt9t001 = to_mt9t001(subdev); @@ -969,7 +969,6 @@ static int mt9t001_remove(struct i2c_client *client) v4l2_ctrl_handler_free(&mt9t001->ctrls); v4l2_device_unregister_subdev(subdev); media_entity_cleanup(&subdev->entity); - return 0; } static const struct i2c_device_id mt9t001_id[] = { diff --git a/drivers/media/i2c/mt9t112.c b/drivers/media/i2c/mt9t112.c index 8d2e3caa9b28..ad564095d0cf 100644 --- a/drivers/media/i2c/mt9t112.c +++ b/drivers/media/i2c/mt9t112.c @@ -1102,14 +1102,12 @@ static int mt9t112_probe(struct i2c_client *client, return v4l2_async_register_subdev(&priv->subdev); } -static int mt9t112_remove(struct i2c_client *client) +static void mt9t112_remove(struct i2c_client *client) { struct mt9t112_priv *priv = to_mt9t112(client); clk_disable_unprepare(priv->clk); v4l2_async_unregister_subdev(&priv->subdev); - - return 0; } static const struct i2c_device_id mt9t112_id[] = { diff --git a/drivers/media/i2c/mt9v011.c b/drivers/media/i2c/mt9v011.c index 7699e64e1127..9952ce06ebb2 100644 --- a/drivers/media/i2c/mt9v011.c +++ b/drivers/media/i2c/mt9v011.c @@ -561,7 +561,7 @@ static int mt9v011_probe(struct i2c_client *c, return 0; } -static int mt9v011_remove(struct i2c_client *c) +static void mt9v011_remove(struct i2c_client *c) { struct v4l2_subdev *sd = i2c_get_clientdata(c); struct mt9v011 *core = to_mt9v011(sd); @@ -572,8 +572,6 @@ static int mt9v011_remove(struct i2c_client *c) v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(&core->ctrls); - - return 0; } /* ----------------------------------------------------------------------- */ diff --git a/drivers/media/i2c/mt9v032.c b/drivers/media/i2c/mt9v032.c index 4cfdd3dfbd42..bc4388ccc2a8 100644 --- a/drivers/media/i2c/mt9v032.c +++ b/drivers/media/i2c/mt9v032.c @@ -1192,7 +1192,7 @@ err: return ret; } -static int mt9v032_remove(struct i2c_client *client) +static void mt9v032_remove(struct i2c_client *client) { struct v4l2_subdev *subdev = i2c_get_clientdata(client); struct mt9v032 *mt9v032 = to_mt9v032(subdev); @@ -1200,8 +1200,6 @@ static int mt9v032_remove(struct i2c_client *client) v4l2_async_unregister_subdev(subdev); v4l2_ctrl_handler_free(&mt9v032->ctrls); media_entity_cleanup(&subdev->entity); - - return 0; } static const struct mt9v032_model_data mt9v032_model_data[] = { diff --git a/drivers/media/i2c/mt9v111.c b/drivers/media/i2c/mt9v111.c index 2dc4a0f24ce8..fe18e5258d7a 100644 --- a/drivers/media/i2c/mt9v111.c +++ b/drivers/media/i2c/mt9v111.c @@ -1238,7 +1238,7 @@ error_free_ctrls: return ret; } -static int mt9v111_remove(struct i2c_client *client) +static void mt9v111_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct mt9v111_dev *mt9v111 = sd_to_mt9v111(sd); @@ -1253,8 +1253,6 @@ static int mt9v111_remove(struct i2c_client *client) mutex_destroy(&mt9v111->pwr_mutex); mutex_destroy(&mt9v111->stream_mutex); - - return 0; } static const struct of_device_id mt9v111_of_match[] = { diff --git a/drivers/media/i2c/noon010pc30.c b/drivers/media/i2c/noon010pc30.c index bc5187f46365..ecaf5e9057f1 100644 --- a/drivers/media/i2c/noon010pc30.c +++ b/drivers/media/i2c/noon010pc30.c @@ -789,7 +789,7 @@ np_err: return ret; } -static int noon010_remove(struct i2c_client *client) +static void noon010_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct noon010_info *info = to_noon010(sd); @@ -797,8 +797,6 @@ static int noon010_remove(struct i2c_client *client) v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(&info->hdl); media_entity_cleanup(&sd->entity); - - return 0; } static const struct i2c_device_id noon010_id[] = { diff --git a/drivers/media/i2c/og01a1b.c b/drivers/media/i2c/og01a1b.c index 87179fc04e00..35663c10fcd9 100644 --- a/drivers/media/i2c/og01a1b.c +++ b/drivers/media/i2c/og01a1b.c @@ -1015,7 +1015,7 @@ check_hwcfg_error: return ret; } -static int og01a1b_remove(struct i2c_client *client) +static void og01a1b_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct og01a1b *og01a1b = to_og01a1b(sd); @@ -1025,8 +1025,6 @@ static int og01a1b_remove(struct i2c_client *client) v4l2_ctrl_handler_free(sd->ctrl_handler); pm_runtime_disable(&client->dev); mutex_destroy(&og01a1b->mutex); - - return 0; } static int og01a1b_probe(struct i2c_client *client) diff --git a/drivers/media/i2c/ov02a10.c b/drivers/media/i2c/ov02a10.c index 0f08c05333ea..2c1eb724d8e5 100644 --- a/drivers/media/i2c/ov02a10.c +++ b/drivers/media/i2c/ov02a10.c @@ -975,7 +975,7 @@ err_destroy_mutex: return ret; } -static int ov02a10_remove(struct i2c_client *client) +static void ov02a10_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct ov02a10 *ov02a10 = to_ov02a10(sd); @@ -988,8 +988,6 @@ static int ov02a10_remove(struct i2c_client *client) ov02a10_power_off(&client->dev); pm_runtime_set_suspended(&client->dev); mutex_destroy(&ov02a10->mutex); - - return 0; } static const struct of_device_id ov02a10_of_match[] = { diff --git a/drivers/media/i2c/ov08d10.c b/drivers/media/i2c/ov08d10.c index e5ef6466a3ec..c1703596c3dc 100644 --- a/drivers/media/i2c/ov08d10.c +++ b/drivers/media/i2c/ov08d10.c @@ -1415,7 +1415,7 @@ check_hwcfg_error: return ret; } -static int ov08d10_remove(struct i2c_client *client) +static void ov08d10_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct ov08d10 *ov08d10 = to_ov08d10(sd); @@ -1425,8 +1425,6 @@ static int ov08d10_remove(struct i2c_client *client) v4l2_ctrl_handler_free(sd->ctrl_handler); pm_runtime_disable(&client->dev); mutex_destroy(&ov08d10->mutex); - - return 0; } static int ov08d10_probe(struct i2c_client *client) diff --git a/drivers/media/i2c/ov13858.c b/drivers/media/i2c/ov13858.c index d5fe67c763f7..e618b613e078 100644 --- a/drivers/media/i2c/ov13858.c +++ b/drivers/media/i2c/ov13858.c @@ -1769,7 +1769,7 @@ error_handler_free: return ret; } -static int ov13858_remove(struct i2c_client *client) +static void ov13858_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct ov13858 *ov13858 = to_ov13858(sd); @@ -1779,8 +1779,6 @@ static int ov13858_remove(struct i2c_client *client) ov13858_free_controls(ov13858); pm_runtime_disable(&client->dev); - - return 0; } static const struct i2c_device_id ov13858_id_table[] = { diff --git a/drivers/media/i2c/ov13b10.c b/drivers/media/i2c/ov13b10.c index 7caeae641051..549e5d93e568 100644 --- a/drivers/media/i2c/ov13b10.c +++ b/drivers/media/i2c/ov13b10.c @@ -1447,7 +1447,7 @@ error_handler_free: return ret; } -static int ov13b10_remove(struct i2c_client *client) +static void ov13b10_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct ov13b10 *ov13b = to_ov13b10(sd); @@ -1457,8 +1457,6 @@ static int ov13b10_remove(struct i2c_client *client) ov13b10_free_controls(ov13b); pm_runtime_disable(&client->dev); - - return 0; } static const struct dev_pm_ops ov13b10_pm_ops = { diff --git a/drivers/media/i2c/ov2640.c b/drivers/media/i2c/ov2640.c index 4b75da55b260..29ed0ef8c033 100644 --- a/drivers/media/i2c/ov2640.c +++ b/drivers/media/i2c/ov2640.c @@ -1271,7 +1271,7 @@ err_clk: return ret; } -static int ov2640_remove(struct i2c_client *client) +static void ov2640_remove(struct i2c_client *client) { struct ov2640_priv *priv = to_ov2640(client); @@ -1281,7 +1281,6 @@ static int ov2640_remove(struct i2c_client *client) media_entity_cleanup(&priv->subdev.entity); v4l2_device_unregister_subdev(&priv->subdev); clk_disable_unprepare(priv->clk); - return 0; } static const struct i2c_device_id ov2640_id[] = { diff --git a/drivers/media/i2c/ov2659.c b/drivers/media/i2c/ov2659.c index 13ded5b2aa66..42fc64ada08c 100644 --- a/drivers/media/i2c/ov2659.c +++ b/drivers/media/i2c/ov2659.c @@ -1544,7 +1544,7 @@ error: return ret; } -static int ov2659_remove(struct i2c_client *client) +static void ov2659_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct ov2659 *ov2659 = to_ov2659(sd); @@ -1558,8 +1558,6 @@ static int ov2659_remove(struct i2c_client *client) if (!pm_runtime_status_suspended(&client->dev)) ov2659_power_off(&client->dev); pm_runtime_set_suspended(&client->dev); - - return 0; } static const struct dev_pm_ops ov2659_pm_ops = { diff --git a/drivers/media/i2c/ov2680.c b/drivers/media/i2c/ov2680.c index 906c711f6821..de66d3395a4d 100644 --- a/drivers/media/i2c/ov2680.c +++ b/drivers/media/i2c/ov2680.c @@ -1097,7 +1097,7 @@ lock_destroy: return ret; } -static int ov2680_remove(struct i2c_client *client) +static void ov2680_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct ov2680_dev *sensor = to_ov2680_dev(sd); @@ -1106,8 +1106,6 @@ static int ov2680_remove(struct i2c_client *client) mutex_destroy(&sensor->lock); media_entity_cleanup(&sensor->sd.entity); v4l2_ctrl_handler_free(&sensor->ctrls.handler); - - return 0; } static int __maybe_unused ov2680_suspend(struct device *dev) diff --git a/drivers/media/i2c/ov2685.c b/drivers/media/i2c/ov2685.c index b6e010ea3249..a3b524f15d89 100644 --- a/drivers/media/i2c/ov2685.c +++ b/drivers/media/i2c/ov2685.c @@ -798,7 +798,7 @@ err_destroy_mutex: return ret; } -static int ov2685_remove(struct i2c_client *client) +static void ov2685_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct ov2685 *ov2685 = to_ov2685(sd); @@ -814,8 +814,6 @@ static int ov2685_remove(struct i2c_client *client) if (!pm_runtime_status_suspended(&client->dev)) __ov2685_power_off(ov2685); pm_runtime_set_suspended(&client->dev); - - return 0; } #if IS_ENABLED(CONFIG_OF) diff --git a/drivers/media/i2c/ov2740.c b/drivers/media/i2c/ov2740.c index d5f0eabf20c6..5d74ad479214 100644 --- a/drivers/media/i2c/ov2740.c +++ b/drivers/media/i2c/ov2740.c @@ -1053,7 +1053,7 @@ check_hwcfg_error: return ret; } -static int ov2740_remove(struct i2c_client *client) +static void ov2740_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct ov2740 *ov2740 = to_ov2740(sd); @@ -1063,8 +1063,6 @@ static int ov2740_remove(struct i2c_client *client) v4l2_ctrl_handler_free(sd->ctrl_handler); pm_runtime_disable(&client->dev); mutex_destroy(&ov2740->mutex); - - return 0; } static int ov2740_nvmem_read(void *priv, unsigned int off, void *val, diff --git a/drivers/media/i2c/ov5640.c b/drivers/media/i2c/ov5640.c index 502f0b62e950..1852e1cfc7df 100644 --- a/drivers/media/i2c/ov5640.c +++ b/drivers/media/i2c/ov5640.c @@ -3906,7 +3906,7 @@ entity_cleanup: return ret; } -static int ov5640_remove(struct i2c_client *client) +static void ov5640_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct ov5640_dev *sensor = to_ov5640_dev(sd); @@ -3915,8 +3915,6 @@ static int ov5640_remove(struct i2c_client *client) media_entity_cleanup(&sensor->sd.entity); v4l2_ctrl_handler_free(&sensor->ctrls.handler); mutex_destroy(&sensor->lock); - - return 0; } static const struct i2c_device_id ov5640_id[] = { diff --git a/drivers/media/i2c/ov5645.c b/drivers/media/i2c/ov5645.c index 562c62f192c4..81e4e87e1821 100644 --- a/drivers/media/i2c/ov5645.c +++ b/drivers/media/i2c/ov5645.c @@ -1256,7 +1256,7 @@ free_ctrl: return ret; } -static int ov5645_remove(struct i2c_client *client) +static void ov5645_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct ov5645 *ov5645 = to_ov5645(sd); @@ -1265,8 +1265,6 @@ static int ov5645_remove(struct i2c_client *client) media_entity_cleanup(&ov5645->sd.entity); v4l2_ctrl_handler_free(&ov5645->ctrls); mutex_destroy(&ov5645->power_lock); - - return 0; } static const struct i2c_device_id ov5645_id[] = { diff --git a/drivers/media/i2c/ov5647.c b/drivers/media/i2c/ov5647.c index d346d18ce629..847a7bbb69c5 100644 --- a/drivers/media/i2c/ov5647.c +++ b/drivers/media/i2c/ov5647.c @@ -1448,7 +1448,7 @@ mutex_destroy: return ret; } -static int ov5647_remove(struct i2c_client *client) +static void ov5647_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct ov5647 *sensor = to_sensor(sd); @@ -1459,8 +1459,6 @@ static int ov5647_remove(struct i2c_client *client) v4l2_device_unregister_subdev(sd); pm_runtime_disable(&client->dev); mutex_destroy(&sensor->lock); - - return 0; } static const struct dev_pm_ops ov5647_pm_ops = { diff --git a/drivers/media/i2c/ov5648.c b/drivers/media/i2c/ov5648.c index dfcd33e9ee13..84604ea7bdf9 100644 --- a/drivers/media/i2c/ov5648.c +++ b/drivers/media/i2c/ov5648.c @@ -2587,7 +2587,7 @@ error_endpoint: return ret; } -static int ov5648_remove(struct i2c_client *client) +static void ov5648_remove(struct i2c_client *client) { struct v4l2_subdev *subdev = i2c_get_clientdata(client); struct ov5648_sensor *sensor = ov5648_subdev_sensor(subdev); @@ -2597,8 +2597,6 @@ static int ov5648_remove(struct i2c_client *client) v4l2_ctrl_handler_free(&sensor->ctrls.handler); mutex_destroy(&sensor->mutex); media_entity_cleanup(&subdev->entity); - - return 0; } static const struct dev_pm_ops ov5648_pm_ops = { diff --git a/drivers/media/i2c/ov5670.c b/drivers/media/i2c/ov5670.c index 02f75c18e480..bc9fc3bc90c2 100644 --- a/drivers/media/i2c/ov5670.c +++ b/drivers/media/i2c/ov5670.c @@ -2557,7 +2557,7 @@ error_print: return ret; } -static int ov5670_remove(struct i2c_client *client) +static void ov5670_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct ov5670 *ov5670 = to_ov5670(sd); @@ -2568,8 +2568,6 @@ static int ov5670_remove(struct i2c_client *client) mutex_destroy(&ov5670->mutex); pm_runtime_disable(&client->dev); - - return 0; } static const struct dev_pm_ops ov5670_pm_ops = { diff --git a/drivers/media/i2c/ov5675.c b/drivers/media/i2c/ov5675.c index 82ba9f56baec..94dc8cb7a7c0 100644 --- a/drivers/media/i2c/ov5675.c +++ b/drivers/media/i2c/ov5675.c @@ -1175,7 +1175,7 @@ check_hwcfg_error: return ret; } -static int ov5675_remove(struct i2c_client *client) +static void ov5675_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct ov5675 *ov5675 = to_ov5675(sd); @@ -1185,8 +1185,6 @@ static int ov5675_remove(struct i2c_client *client) v4l2_ctrl_handler_free(sd->ctrl_handler); pm_runtime_disable(&client->dev); mutex_destroy(&ov5675->mutex); - - return 0; } static int ov5675_probe(struct i2c_client *client) diff --git a/drivers/media/i2c/ov5693.c b/drivers/media/i2c/ov5693.c index 82a9b2de7735..a97ec132ba3a 100644 --- a/drivers/media/i2c/ov5693.c +++ b/drivers/media/i2c/ov5693.c @@ -1501,7 +1501,7 @@ err_ctrl_handler_free: return ret; } -static int ov5693_remove(struct i2c_client *client) +static void ov5693_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct ov5693_device *ov5693 = to_ov5693_sensor(sd); @@ -1519,8 +1519,6 @@ static int ov5693_remove(struct i2c_client *client) if (!pm_runtime_status_suspended(&client->dev)) ov5693_sensor_powerdown(ov5693); pm_runtime_set_suspended(&client->dev); - - return 0; } static const struct dev_pm_ops ov5693_pm_ops = { diff --git a/drivers/media/i2c/ov5695.c b/drivers/media/i2c/ov5695.c index 910309783885..61906fc54e37 100644 --- a/drivers/media/i2c/ov5695.c +++ b/drivers/media/i2c/ov5695.c @@ -1361,7 +1361,7 @@ err_destroy_mutex: return ret; } -static int ov5695_remove(struct i2c_client *client) +static void ov5695_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct ov5695 *ov5695 = to_ov5695(sd); @@ -1377,8 +1377,6 @@ static int ov5695_remove(struct i2c_client *client) if (!pm_runtime_status_suspended(&client->dev)) __ov5695_power_off(ov5695); pm_runtime_set_suspended(&client->dev); - - return 0; } #if IS_ENABLED(CONFIG_OF) diff --git a/drivers/media/i2c/ov6650.c b/drivers/media/i2c/ov6650.c index 6458e96d9091..18f041e985b7 100644 --- a/drivers/media/i2c/ov6650.c +++ b/drivers/media/i2c/ov6650.c @@ -1096,13 +1096,12 @@ ectlhdlfree: return ret; } -static int ov6650_remove(struct i2c_client *client) +static void ov6650_remove(struct i2c_client *client) { struct ov6650 *priv = to_ov6650(client); v4l2_async_unregister_subdev(&priv->subdev); v4l2_ctrl_handler_free(&priv->hdl); - return 0; } static const struct i2c_device_id ov6650_id[] = { diff --git a/drivers/media/i2c/ov7251.c b/drivers/media/i2c/ov7251.c index 1bd797c7926b..88e987435285 100644 --- a/drivers/media/i2c/ov7251.c +++ b/drivers/media/i2c/ov7251.c @@ -1767,7 +1767,7 @@ destroy_mutex: return ret; } -static int ov7251_remove(struct i2c_client *client) +static void ov7251_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct ov7251 *ov7251 = to_ov7251(sd); @@ -1781,8 +1781,6 @@ static int ov7251_remove(struct i2c_client *client) if (!pm_runtime_status_suspended(ov7251->dev)) ov7251_set_power_off(ov7251->dev); pm_runtime_set_suspended(ov7251->dev); - - return 0; } static const struct dev_pm_ops ov7251_pm_ops = { diff --git a/drivers/media/i2c/ov7640.c b/drivers/media/i2c/ov7640.c index 977cd2d8ad33..5e2d67f0f9f2 100644 --- a/drivers/media/i2c/ov7640.c +++ b/drivers/media/i2c/ov7640.c @@ -70,13 +70,11 @@ static int ov7640_probe(struct i2c_client *client, } -static int ov7640_remove(struct i2c_client *client) +static void ov7640_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); - - return 0; } static const struct i2c_device_id ov7640_id[] = { diff --git a/drivers/media/i2c/ov7670.c b/drivers/media/i2c/ov7670.c index 1be2c0e5bdc1..4b9b156b53c7 100644 --- a/drivers/media/i2c/ov7670.c +++ b/drivers/media/i2c/ov7670.c @@ -2009,7 +2009,7 @@ power_off: return ret; } -static int ov7670_remove(struct i2c_client *client) +static void ov7670_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct ov7670_info *info = to_state(sd); @@ -2017,7 +2017,6 @@ static int ov7670_remove(struct i2c_client *client) v4l2_async_unregister_subdev(sd); v4l2_ctrl_handler_free(&info->hdl); media_entity_cleanup(&info->sd.entity); - return 0; } static const struct i2c_device_id ov7670_id[] = { diff --git a/drivers/media/i2c/ov772x.c b/drivers/media/i2c/ov772x.c index 78602a2f70b0..4189e3fc3d53 100644 --- a/drivers/media/i2c/ov772x.c +++ b/drivers/media/i2c/ov772x.c @@ -1521,7 +1521,7 @@ error_mutex_destroy: return ret; } -static int ov772x_remove(struct i2c_client *client) +static void ov772x_remove(struct i2c_client *client) { struct ov772x_priv *priv = to_ov772x(i2c_get_clientdata(client)); @@ -1532,8 +1532,6 @@ static int ov772x_remove(struct i2c_client *client) v4l2_async_unregister_subdev(&priv->subdev); v4l2_ctrl_handler_free(&priv->hdl); mutex_destroy(&priv->lock); - - return 0; } static const struct i2c_device_id ov772x_id[] = { diff --git a/drivers/media/i2c/ov7740.c b/drivers/media/i2c/ov7740.c index 2539cfee85c8..c9fd9b0bc54a 100644 --- a/drivers/media/i2c/ov7740.c +++ b/drivers/media/i2c/ov7740.c @@ -1153,7 +1153,7 @@ error_detect: return ret; } -static int ov7740_remove(struct i2c_client *client) +static void ov7740_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct ov7740 *ov7740 = container_of(sd, struct ov7740, subdev); @@ -1170,7 +1170,6 @@ static int ov7740_remove(struct i2c_client *client) pm_runtime_put_noidle(&client->dev); ov7740_set_power(ov7740, 0); - return 0; } static int __maybe_unused ov7740_runtime_suspend(struct device *dev) diff --git a/drivers/media/i2c/ov8856.c b/drivers/media/i2c/ov8856.c index a9728afc81d4..efa18d026ac3 100644 --- a/drivers/media/i2c/ov8856.c +++ b/drivers/media/i2c/ov8856.c @@ -2440,7 +2440,7 @@ check_hwcfg_error: return ret; } -static int ov8856_remove(struct i2c_client *client) +static void ov8856_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct ov8856 *ov8856 = to_ov8856(sd); @@ -2452,8 +2452,6 @@ static int ov8856_remove(struct i2c_client *client) mutex_destroy(&ov8856->mutex); __ov8856_power_off(ov8856); - - return 0; } static int ov8856_probe(struct i2c_client *client) diff --git a/drivers/media/i2c/ov8865.c b/drivers/media/i2c/ov8865.c index b8f4f0d3e33d..a233c34b168e 100644 --- a/drivers/media/i2c/ov8865.c +++ b/drivers/media/i2c/ov8865.c @@ -3119,7 +3119,7 @@ error_endpoint: return ret; } -static int ov8865_remove(struct i2c_client *client) +static void ov8865_remove(struct i2c_client *client) { struct v4l2_subdev *subdev = i2c_get_clientdata(client); struct ov8865_sensor *sensor = ov8865_subdev_sensor(subdev); @@ -3131,8 +3131,6 @@ static int ov8865_remove(struct i2c_client *client) media_entity_cleanup(&subdev->entity); v4l2_fwnode_endpoint_free(&sensor->endpoint); - - return 0; } static const struct dev_pm_ops ov8865_pm_ops = { diff --git a/drivers/media/i2c/ov9282.c b/drivers/media/i2c/ov9282.c index 2e0b315801e5..df144a2f6eda 100644 --- a/drivers/media/i2c/ov9282.c +++ b/drivers/media/i2c/ov9282.c @@ -1091,7 +1091,7 @@ error_mutex_destroy: * * Return: 0 if successful, error code otherwise. */ -static int ov9282_remove(struct i2c_client *client) +static void ov9282_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct ov9282 *ov9282 = to_ov9282(sd); @@ -1106,8 +1106,6 @@ static int ov9282_remove(struct i2c_client *client) pm_runtime_set_suspended(&client->dev); mutex_destroy(&ov9282->mutex); - - return 0; } static const struct dev_pm_ops ov9282_pm_ops = { diff --git a/drivers/media/i2c/ov9640.c b/drivers/media/i2c/ov9640.c index 9f44ed52d164..8b80be33c5f4 100644 --- a/drivers/media/i2c/ov9640.c +++ b/drivers/media/i2c/ov9640.c @@ -744,15 +744,13 @@ ectrlinit: return ret; } -static int ov9640_remove(struct i2c_client *client) +static void ov9640_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct ov9640_priv *priv = to_ov9640_sensor(sd); v4l2_async_unregister_subdev(&priv->subdev); v4l2_ctrl_handler_free(&priv->hdl); - - return 0; } static const struct i2c_device_id ov9640_id[] = { diff --git a/drivers/media/i2c/ov9650.c b/drivers/media/i2c/ov9650.c index c313e11a9754..4d458993e6d6 100644 --- a/drivers/media/i2c/ov9650.c +++ b/drivers/media/i2c/ov9650.c @@ -1584,7 +1584,7 @@ err_mutex: return ret; } -static int ov965x_remove(struct i2c_client *client) +static void ov965x_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct ov965x *ov965x = to_ov965x(sd); @@ -1593,8 +1593,6 @@ static int ov965x_remove(struct i2c_client *client) v4l2_ctrl_handler_free(sd->ctrl_handler); media_entity_cleanup(&sd->entity); mutex_destroy(&ov965x->lock); - - return 0; } static const struct i2c_device_id ov965x_id[] = { diff --git a/drivers/media/i2c/ov9734.c b/drivers/media/i2c/ov9734.c index df538ceb71c3..8b0a158cb297 100644 --- a/drivers/media/i2c/ov9734.c +++ b/drivers/media/i2c/ov9734.c @@ -930,7 +930,7 @@ check_hwcfg_error: return ret; } -static int ov9734_remove(struct i2c_client *client) +static void ov9734_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct ov9734 *ov9734 = to_ov9734(sd); @@ -940,8 +940,6 @@ static int ov9734_remove(struct i2c_client *client) v4l2_ctrl_handler_free(sd->ctrl_handler); pm_runtime_disable(&client->dev); mutex_destroy(&ov9734->mutex); - - return 0; } static int ov9734_probe(struct i2c_client *client) diff --git a/drivers/media/i2c/rdacm20.c b/drivers/media/i2c/rdacm20.c index 2615ad154f49..a2263fa825b5 100644 --- a/drivers/media/i2c/rdacm20.c +++ b/drivers/media/i2c/rdacm20.c @@ -646,7 +646,7 @@ error: return ret; } -static int rdacm20_remove(struct i2c_client *client) +static void rdacm20_remove(struct i2c_client *client) { struct rdacm20_device *dev = i2c_to_rdacm20(client); @@ -655,8 +655,6 @@ static int rdacm20_remove(struct i2c_client *client) v4l2_ctrl_handler_free(&dev->ctrls); media_entity_cleanup(&dev->sd.entity); i2c_unregister_device(dev->sensor); - - return 0; } static void rdacm20_shutdown(struct i2c_client *client) diff --git a/drivers/media/i2c/rdacm21.c b/drivers/media/i2c/rdacm21.c index ef31cf5f23ca..9ccc56c30d3b 100644 --- a/drivers/media/i2c/rdacm21.c +++ b/drivers/media/i2c/rdacm21.c @@ -614,7 +614,7 @@ error: return ret; } -static int rdacm21_remove(struct i2c_client *client) +static void rdacm21_remove(struct i2c_client *client) { struct rdacm21_device *dev = sd_to_rdacm21(i2c_get_clientdata(client)); @@ -622,8 +622,6 @@ static int rdacm21_remove(struct i2c_client *client) v4l2_ctrl_handler_free(&dev->ctrls); i2c_unregister_device(dev->isp); fwnode_handle_put(dev->sd.fwnode); - - return 0; } static const struct of_device_id rdacm21_of_ids[] = { diff --git a/drivers/media/i2c/rj54n1cb0c.c b/drivers/media/i2c/rj54n1cb0c.c index 2e4018c26912..1c3502f34cd3 100644 --- a/drivers/media/i2c/rj54n1cb0c.c +++ b/drivers/media/i2c/rj54n1cb0c.c @@ -1398,7 +1398,7 @@ err_free_ctrl: return ret; } -static int rj54n1_remove(struct i2c_client *client) +static void rj54n1_remove(struct i2c_client *client) { struct rj54n1 *rj54n1 = to_rj54n1(client); @@ -1410,8 +1410,6 @@ static int rj54n1_remove(struct i2c_client *client) clk_put(rj54n1->clk); v4l2_ctrl_handler_free(&rj54n1->hdl); v4l2_async_unregister_subdev(&rj54n1->subdev); - - return 0; } static const struct i2c_device_id rj54n1_id[] = { diff --git a/drivers/media/i2c/s5c73m3/s5c73m3-core.c b/drivers/media/i2c/s5c73m3/s5c73m3-core.c index e2b88c5e4f98..d96ba58ce1e5 100644 --- a/drivers/media/i2c/s5c73m3/s5c73m3-core.c +++ b/drivers/media/i2c/s5c73m3/s5c73m3-core.c @@ -1770,7 +1770,7 @@ out_err: return ret; } -static int s5c73m3_remove(struct i2c_client *client) +static void s5c73m3_remove(struct i2c_client *client) { struct v4l2_subdev *oif_sd = i2c_get_clientdata(client); struct s5c73m3 *state = oif_sd_to_s5c73m3(oif_sd); @@ -1785,8 +1785,6 @@ static int s5c73m3_remove(struct i2c_client *client) media_entity_cleanup(&sensor_sd->entity); s5c73m3_unregister_spi_driver(state); - - return 0; } static const struct i2c_device_id s5c73m3_id[] = { diff --git a/drivers/media/i2c/s5k4ecgx.c b/drivers/media/i2c/s5k4ecgx.c index af9a305242cd..3dddcd9dd351 100644 --- a/drivers/media/i2c/s5k4ecgx.c +++ b/drivers/media/i2c/s5k4ecgx.c @@ -996,7 +996,7 @@ out_err1: return ret; } -static int s5k4ecgx_remove(struct i2c_client *client) +static void s5k4ecgx_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct s5k4ecgx *priv = to_s5k4ecgx(sd); @@ -1006,8 +1006,6 @@ static int s5k4ecgx_remove(struct i2c_client *client) v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(&priv->handler); media_entity_cleanup(&sd->entity); - - return 0; } static const struct i2c_device_id s5k4ecgx_id[] = { diff --git a/drivers/media/i2c/s5k5baf.c b/drivers/media/i2c/s5k5baf.c index 6a5dceb699a8..5c2253ab3b6f 100644 --- a/drivers/media/i2c/s5k5baf.c +++ b/drivers/media/i2c/s5k5baf.c @@ -2018,7 +2018,7 @@ err_me: return ret; } -static int s5k5baf_remove(struct i2c_client *c) +static void s5k5baf_remove(struct i2c_client *c) { struct v4l2_subdev *sd = i2c_get_clientdata(c); struct s5k5baf *state = to_s5k5baf(sd); @@ -2030,8 +2030,6 @@ static int s5k5baf_remove(struct i2c_client *c) sd = &state->cis_sd; v4l2_device_unregister_subdev(sd); media_entity_cleanup(&sd->entity); - - return 0; } static const struct i2c_device_id s5k5baf_id[] = { diff --git a/drivers/media/i2c/s5k6a3.c b/drivers/media/i2c/s5k6a3.c index f6ecf6f92bb2..a4efd6d10b43 100644 --- a/drivers/media/i2c/s5k6a3.c +++ b/drivers/media/i2c/s5k6a3.c @@ -354,14 +354,13 @@ static int s5k6a3_probe(struct i2c_client *client) return ret; } -static int s5k6a3_remove(struct i2c_client *client) +static void s5k6a3_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); pm_runtime_disable(&client->dev); v4l2_async_unregister_subdev(sd); media_entity_cleanup(&sd->entity); - return 0; } static const struct i2c_device_id s5k6a3_ids[] = { diff --git a/drivers/media/i2c/s5k6aa.c b/drivers/media/i2c/s5k6aa.c index 105a4b7d8354..059211788a65 100644 --- a/drivers/media/i2c/s5k6aa.c +++ b/drivers/media/i2c/s5k6aa.c @@ -1621,15 +1621,13 @@ out_err: return ret; } -static int s5k6aa_remove(struct i2c_client *client) +static void s5k6aa_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(sd->ctrl_handler); media_entity_cleanup(&sd->entity); - - return 0; } static const struct i2c_device_id s5k6aa_id[] = { diff --git a/drivers/media/i2c/saa6588.c b/drivers/media/i2c/saa6588.c index d1e0716bdfff..d6a51beabd02 100644 --- a/drivers/media/i2c/saa6588.c +++ b/drivers/media/i2c/saa6588.c @@ -484,7 +484,7 @@ static int saa6588_probe(struct i2c_client *client, return 0; } -static int saa6588_remove(struct i2c_client *client) +static void saa6588_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct saa6588 *s = to_saa6588(sd); @@ -492,8 +492,6 @@ static int saa6588_remove(struct i2c_client *client) v4l2_device_unregister_subdev(sd); cancel_delayed_work_sync(&s->work); - - return 0; } /* ----------------------------------------------------------------------- */ diff --git a/drivers/media/i2c/saa6752hs.c b/drivers/media/i2c/saa6752hs.c index a7f043cad149..5928cc6f4595 100644 --- a/drivers/media/i2c/saa6752hs.c +++ b/drivers/media/i2c/saa6752hs.c @@ -764,13 +764,12 @@ static int saa6752hs_probe(struct i2c_client *client, return 0; } -static int saa6752hs_remove(struct i2c_client *client) +static void saa6752hs_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(&to_state(sd)->hdl); - return 0; } static const struct i2c_device_id saa6752hs_id[] = { diff --git a/drivers/media/i2c/saa7110.c b/drivers/media/i2c/saa7110.c index 0c7a9ce0a693..5067525d8b11 100644 --- a/drivers/media/i2c/saa7110.c +++ b/drivers/media/i2c/saa7110.c @@ -428,14 +428,13 @@ static int saa7110_probe(struct i2c_client *client, return 0; } -static int saa7110_remove(struct i2c_client *client) +static void saa7110_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct saa7110 *decoder = to_saa7110(sd); v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(&decoder->hdl); - return 0; } /* ----------------------------------------------------------------------- */ diff --git a/drivers/media/i2c/saa7115.c b/drivers/media/i2c/saa7115.c index 15ff80e6301e..86e70a980218 100644 --- a/drivers/media/i2c/saa7115.c +++ b/drivers/media/i2c/saa7115.c @@ -1927,13 +1927,12 @@ static int saa711x_probe(struct i2c_client *client, /* ----------------------------------------------------------------------- */ -static int saa711x_remove(struct i2c_client *client) +static void saa711x_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(sd->ctrl_handler); - return 0; } static const struct i2c_device_id saa711x_id[] = { diff --git a/drivers/media/i2c/saa7127.c b/drivers/media/i2c/saa7127.c index 891192f6412a..78c9388c2ea1 100644 --- a/drivers/media/i2c/saa7127.c +++ b/drivers/media/i2c/saa7127.c @@ -785,14 +785,13 @@ static int saa7127_probe(struct i2c_client *client, /* ----------------------------------------------------------------------- */ -static int saa7127_remove(struct i2c_client *client) +static void saa7127_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); /* Turn off TV output */ saa7127_set_video_enable(sd, 0); - return 0; } /* ----------------------------------------------------------------------- */ diff --git a/drivers/media/i2c/saa717x.c b/drivers/media/i2c/saa717x.c index adf905360171..4f3d1b432a4e 100644 --- a/drivers/media/i2c/saa717x.c +++ b/drivers/media/i2c/saa717x.c @@ -1324,13 +1324,12 @@ static int saa717x_probe(struct i2c_client *client, return 0; } -static int saa717x_remove(struct i2c_client *client) +static void saa717x_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(sd->ctrl_handler); - return 0; } /* ----------------------------------------------------------------------- */ diff --git a/drivers/media/i2c/saa7185.c b/drivers/media/i2c/saa7185.c index 7a04422df8c8..266462325d30 100644 --- a/drivers/media/i2c/saa7185.c +++ b/drivers/media/i2c/saa7185.c @@ -322,7 +322,7 @@ static int saa7185_probe(struct i2c_client *client, return 0; } -static int saa7185_remove(struct i2c_client *client) +static void saa7185_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct saa7185 *encoder = to_saa7185(sd); @@ -330,7 +330,6 @@ static int saa7185_remove(struct i2c_client *client) v4l2_device_unregister_subdev(sd); /* SW: output off is active */ saa7185_write(sd, 0x61, (encoder->reg[0x61]) | 0x40); - return 0; } /* ----------------------------------------------------------------------- */ diff --git a/drivers/media/i2c/sony-btf-mpx.c b/drivers/media/i2c/sony-btf-mpx.c index ad239280c42e..927a9ec41463 100644 --- a/drivers/media/i2c/sony-btf-mpx.c +++ b/drivers/media/i2c/sony-btf-mpx.c @@ -357,13 +357,11 @@ static int sony_btf_mpx_probe(struct i2c_client *client, return 0; } -static int sony_btf_mpx_remove(struct i2c_client *client) +static void sony_btf_mpx_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); - - return 0; } /* ----------------------------------------------------------------------- */ diff --git a/drivers/media/i2c/sr030pc30.c b/drivers/media/i2c/sr030pc30.c index 19c0252df2f1..ff18693beb5c 100644 --- a/drivers/media/i2c/sr030pc30.c +++ b/drivers/media/i2c/sr030pc30.c @@ -732,13 +732,12 @@ static int sr030pc30_probe(struct i2c_client *client, return 0; } -static int sr030pc30_remove(struct i2c_client *client) +static void sr030pc30_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(sd->ctrl_handler); - return 0; } static const struct i2c_device_id sr030pc30_id[] = { diff --git a/drivers/media/i2c/st-mipid02.c b/drivers/media/i2c/st-mipid02.c index 16cc547976dd..31b89aff0e86 100644 --- a/drivers/media/i2c/st-mipid02.c +++ b/drivers/media/i2c/st-mipid02.c @@ -1067,7 +1067,7 @@ mutex_cleanup: return ret; } -static int mipid02_remove(struct i2c_client *client) +static void mipid02_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct mipid02_dev *bridge = to_mipid02_dev(sd); @@ -1078,8 +1078,6 @@ static int mipid02_remove(struct i2c_client *client) mipid02_set_power_off(bridge); media_entity_cleanup(&bridge->sd.entity); mutex_destroy(&bridge->lock); - - return 0; } static const struct of_device_id mipid02_dt_ids[] = { diff --git a/drivers/media/i2c/tc358743.c b/drivers/media/i2c/tc358743.c index e18b8947ad7e..d99eedbdf011 100644 --- a/drivers/media/i2c/tc358743.c +++ b/drivers/media/i2c/tc358743.c @@ -2169,7 +2169,7 @@ err_hdl: return err; } -static int tc358743_remove(struct i2c_client *client) +static void tc358743_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct tc358743_state *state = to_state(sd); @@ -2185,8 +2185,6 @@ static int tc358743_remove(struct i2c_client *client) mutex_destroy(&state->confctl_mutex); media_entity_cleanup(&sd->entity); v4l2_ctrl_handler_free(&state->hdl); - - return 0; } static const struct i2c_device_id tc358743_id[] = { diff --git a/drivers/media/i2c/tda1997x.c b/drivers/media/i2c/tda1997x.c index f66ac14cffad..83931826cf6f 100644 --- a/drivers/media/i2c/tda1997x.c +++ b/drivers/media/i2c/tda1997x.c @@ -2805,7 +2805,7 @@ err_free_state: return ret; } -static int tda1997x_remove(struct i2c_client *client) +static void tda1997x_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct tda1997x_state *state = to_state(sd); @@ -2827,8 +2827,6 @@ static int tda1997x_remove(struct i2c_client *client) mutex_destroy(&state->lock); kfree(state); - - return 0; } static struct i2c_driver tda1997x_i2c_driver = { diff --git a/drivers/media/i2c/tda7432.c b/drivers/media/i2c/tda7432.c index cbdc9be0a597..11e918311b13 100644 --- a/drivers/media/i2c/tda7432.c +++ b/drivers/media/i2c/tda7432.c @@ -390,7 +390,7 @@ static int tda7432_probe(struct i2c_client *client, return 0; } -static int tda7432_remove(struct i2c_client *client) +static void tda7432_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct tda7432 *t = to_state(sd); @@ -398,7 +398,6 @@ static int tda7432_remove(struct i2c_client *client) tda7432_set(sd); v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(&t->hdl); - return 0; } static const struct i2c_device_id tda7432_id[] = { diff --git a/drivers/media/i2c/tda9840.c b/drivers/media/i2c/tda9840.c index 8c6dfe746b20..aaa74944fc7c 100644 --- a/drivers/media/i2c/tda9840.c +++ b/drivers/media/i2c/tda9840.c @@ -175,12 +175,11 @@ static int tda9840_probe(struct i2c_client *client, return 0; } -static int tda9840_remove(struct i2c_client *client) +static void tda9840_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); - return 0; } static const struct i2c_device_id tda9840_id[] = { diff --git a/drivers/media/i2c/tea6415c.c b/drivers/media/i2c/tea6415c.c index 67378dbcc74b..50e74314f315 100644 --- a/drivers/media/i2c/tea6415c.c +++ b/drivers/media/i2c/tea6415c.c @@ -134,12 +134,11 @@ static int tea6415c_probe(struct i2c_client *client, return 0; } -static int tea6415c_remove(struct i2c_client *client) +static void tea6415c_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); - return 0; } static const struct i2c_device_id tea6415c_id[] = { diff --git a/drivers/media/i2c/tea6420.c b/drivers/media/i2c/tea6420.c index 712141b261ed..246f2b10ccc7 100644 --- a/drivers/media/i2c/tea6420.c +++ b/drivers/media/i2c/tea6420.c @@ -116,12 +116,11 @@ static int tea6420_probe(struct i2c_client *client, return 0; } -static int tea6420_remove(struct i2c_client *client) +static void tea6420_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); - return 0; } static const struct i2c_device_id tea6420_id[] = { diff --git a/drivers/media/i2c/ths7303.c b/drivers/media/i2c/ths7303.c index 8206bf7a5a8f..2a0f9a3d1a66 100644 --- a/drivers/media/i2c/ths7303.c +++ b/drivers/media/i2c/ths7303.c @@ -358,13 +358,11 @@ static int ths7303_probe(struct i2c_client *client, return 0; } -static int ths7303_remove(struct i2c_client *client) +static void ths7303_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); - - return 0; } static const struct i2c_device_id ths7303_id[] = { diff --git a/drivers/media/i2c/ths8200.c b/drivers/media/i2c/ths8200.c index c52fe84cba1b..081ef5a4b950 100644 --- a/drivers/media/i2c/ths8200.c +++ b/drivers/media/i2c/ths8200.c @@ -468,7 +468,7 @@ static int ths8200_probe(struct i2c_client *client) return 0; } -static int ths8200_remove(struct i2c_client *client) +static void ths8200_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct ths8200_state *decoder = to_state(sd); @@ -478,8 +478,6 @@ static int ths8200_remove(struct i2c_client *client) ths8200_s_power(sd, false); v4l2_async_unregister_subdev(&decoder->sd); - - return 0; } static const struct i2c_device_id ths8200_id[] = { diff --git a/drivers/media/i2c/tlv320aic23b.c b/drivers/media/i2c/tlv320aic23b.c index e4c21990fea9..937fa1dbaecb 100644 --- a/drivers/media/i2c/tlv320aic23b.c +++ b/drivers/media/i2c/tlv320aic23b.c @@ -177,14 +177,13 @@ static int tlv320aic23b_probe(struct i2c_client *client, return 0; } -static int tlv320aic23b_remove(struct i2c_client *client) +static void tlv320aic23b_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct tlv320aic23b_state *state = to_state(sd); v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(&state->hdl); - return 0; } /* ----------------------------------------------------------------------- */ diff --git a/drivers/media/i2c/tvaudio.c b/drivers/media/i2c/tvaudio.c index e6796e94dadf..9f1ed078b661 100644 --- a/drivers/media/i2c/tvaudio.c +++ b/drivers/media/i2c/tvaudio.c @@ -2065,7 +2065,7 @@ static int tvaudio_probe(struct i2c_client *client, const struct i2c_device_id * return 0; } -static int tvaudio_remove(struct i2c_client *client) +static void tvaudio_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct CHIPSTATE *chip = to_state(sd); @@ -2079,7 +2079,6 @@ static int tvaudio_remove(struct i2c_client *client) v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(&chip->hdl); - return 0; } /* This driver supports many devices and the idea is to let the driver diff --git a/drivers/media/i2c/tvp514x.c b/drivers/media/i2c/tvp514x.c index cee60f945036..a746d96875f9 100644 --- a/drivers/media/i2c/tvp514x.c +++ b/drivers/media/i2c/tvp514x.c @@ -1121,7 +1121,7 @@ done: * Unregister decoder as an i2c client device and V4L2 * device. Complement of tvp514x_probe(). */ -static int tvp514x_remove(struct i2c_client *client) +static void tvp514x_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct tvp514x_decoder *decoder = to_decoder(sd); @@ -1129,7 +1129,6 @@ static int tvp514x_remove(struct i2c_client *client) v4l2_async_unregister_subdev(&decoder->sd); media_entity_cleanup(&decoder->sd.entity); v4l2_ctrl_handler_free(&decoder->hdl); - return 0; } /* TVP5146 Init/Power on Sequence */ static const struct tvp514x_reg tvp5146_init_reg_seq[] = { diff --git a/drivers/media/i2c/tvp5150.c b/drivers/media/i2c/tvp5150.c index 93a980c4e899..859f1cb2fa74 100644 --- a/drivers/media/i2c/tvp5150.c +++ b/drivers/media/i2c/tvp5150.c @@ -2230,7 +2230,7 @@ err: return res; } -static int tvp5150_remove(struct i2c_client *c) +static void tvp5150_remove(struct i2c_client *c) { struct v4l2_subdev *sd = i2c_get_clientdata(c); struct tvp5150 *decoder = to_tvp5150(sd); @@ -2250,8 +2250,6 @@ static int tvp5150_remove(struct i2c_client *c) v4l2_ctrl_handler_free(&decoder->hdl); pm_runtime_disable(&c->dev); pm_runtime_set_suspended(&c->dev); - - return 0; } /* ----------------------------------------------------------------------- */ diff --git a/drivers/media/i2c/tvp7002.c b/drivers/media/i2c/tvp7002.c index 2de18833b07b..4ccd218f5584 100644 --- a/drivers/media/i2c/tvp7002.c +++ b/drivers/media/i2c/tvp7002.c @@ -1044,7 +1044,7 @@ error: * Reset the TVP7002 device * Returns zero. */ -static int tvp7002_remove(struct i2c_client *c) +static void tvp7002_remove(struct i2c_client *c) { struct v4l2_subdev *sd = i2c_get_clientdata(c); struct tvp7002 *device = to_tvp7002(sd); @@ -1056,7 +1056,6 @@ static int tvp7002_remove(struct i2c_client *c) media_entity_cleanup(&device->sd.entity); #endif v4l2_ctrl_handler_free(&device->hdl); - return 0; } /* I2C Device ID table */ diff --git a/drivers/media/i2c/tw2804.c b/drivers/media/i2c/tw2804.c index cd05f1ff504d..c7c8dfe8a8a8 100644 --- a/drivers/media/i2c/tw2804.c +++ b/drivers/media/i2c/tw2804.c @@ -405,14 +405,13 @@ static int tw2804_probe(struct i2c_client *client, return 0; } -static int tw2804_remove(struct i2c_client *client) +static void tw2804_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct tw2804 *state = to_state(sd); v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(&state->hdl); - return 0; } static const struct i2c_device_id tw2804_id[] = { diff --git a/drivers/media/i2c/tw9903.c b/drivers/media/i2c/tw9903.c index f8e3ab4909d8..d7eef7986b75 100644 --- a/drivers/media/i2c/tw9903.c +++ b/drivers/media/i2c/tw9903.c @@ -235,13 +235,12 @@ static int tw9903_probe(struct i2c_client *client, return 0; } -static int tw9903_remove(struct i2c_client *client) +static void tw9903_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(&to_state(sd)->hdl); - return 0; } /* ----------------------------------------------------------------------- */ diff --git a/drivers/media/i2c/tw9906.c b/drivers/media/i2c/tw9906.c index c528eb01fed0..549ad8f72f12 100644 --- a/drivers/media/i2c/tw9906.c +++ b/drivers/media/i2c/tw9906.c @@ -203,13 +203,12 @@ static int tw9906_probe(struct i2c_client *client, return 0; } -static int tw9906_remove(struct i2c_client *client) +static void tw9906_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(&to_state(sd)->hdl); - return 0; } /* ----------------------------------------------------------------------- */ diff --git a/drivers/media/i2c/tw9910.c b/drivers/media/i2c/tw9910.c index 09f5b3986928..853b5acead32 100644 --- a/drivers/media/i2c/tw9910.c +++ b/drivers/media/i2c/tw9910.c @@ -993,7 +993,7 @@ error_clk_put: return ret; } -static int tw9910_remove(struct i2c_client *client) +static void tw9910_remove(struct i2c_client *client) { struct tw9910_priv *priv = to_tw9910(client); @@ -1001,8 +1001,6 @@ static int tw9910_remove(struct i2c_client *client) gpiod_put(priv->pdn_gpio); clk_put(priv->clk); v4l2_async_unregister_subdev(&priv->subdev); - - return 0; } static const struct i2c_device_id tw9910_id[] = { diff --git a/drivers/media/i2c/uda1342.c b/drivers/media/i2c/uda1342.c index b0a9c6d7163f..d0659c4392f2 100644 --- a/drivers/media/i2c/uda1342.c +++ b/drivers/media/i2c/uda1342.c @@ -72,12 +72,11 @@ static int uda1342_probe(struct i2c_client *client, return 0; } -static int uda1342_remove(struct i2c_client *client) +static void uda1342_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); - return 0; } static const struct i2c_device_id uda1342_id[] = { diff --git a/drivers/media/i2c/upd64031a.c b/drivers/media/i2c/upd64031a.c index ef35c6574785..4de26ed2ba00 100644 --- a/drivers/media/i2c/upd64031a.c +++ b/drivers/media/i2c/upd64031a.c @@ -210,12 +210,11 @@ static int upd64031a_probe(struct i2c_client *client, return 0; } -static int upd64031a_remove(struct i2c_client *client) +static void upd64031a_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); - return 0; } /* ----------------------------------------------------------------------- */ diff --git a/drivers/media/i2c/upd64083.c b/drivers/media/i2c/upd64083.c index d6a1698caa2a..2bfd5443d406 100644 --- a/drivers/media/i2c/upd64083.c +++ b/drivers/media/i2c/upd64083.c @@ -181,12 +181,11 @@ static int upd64083_probe(struct i2c_client *client, return 0; } -static int upd64083_remove(struct i2c_client *client) +static void upd64083_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); - return 0; } /* ----------------------------------------------------------------------- */ diff --git a/drivers/media/i2c/video-i2c.c b/drivers/media/i2c/video-i2c.c index e08e3579c0a1..f15ef2d13059 100644 --- a/drivers/media/i2c/video-i2c.c +++ b/drivers/media/i2c/video-i2c.c @@ -895,7 +895,7 @@ error_free_device: return ret; } -static int video_i2c_remove(struct i2c_client *client) +static void video_i2c_remove(struct i2c_client *client) { struct video_i2c_data *data = i2c_get_clientdata(client); @@ -908,8 +908,6 @@ static int video_i2c_remove(struct i2c_client *client) data->chip->set_power(data, false); video_unregister_device(&data->vdev); - - return 0; } #ifdef CONFIG_PM diff --git a/drivers/media/i2c/vp27smpx.c b/drivers/media/i2c/vp27smpx.c index 492af8749fca..c832edad5fa7 100644 --- a/drivers/media/i2c/vp27smpx.c +++ b/drivers/media/i2c/vp27smpx.c @@ -163,12 +163,11 @@ static int vp27smpx_probe(struct i2c_client *client, return 0; } -static int vp27smpx_remove(struct i2c_client *client) +static void vp27smpx_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); - return 0; } /* ----------------------------------------------------------------------- */ diff --git a/drivers/media/i2c/vpx3220.c b/drivers/media/i2c/vpx3220.c index 8be03fe5928c..b481ec196b88 100644 --- a/drivers/media/i2c/vpx3220.c +++ b/drivers/media/i2c/vpx3220.c @@ -526,15 +526,13 @@ static int vpx3220_probe(struct i2c_client *client, return 0; } -static int vpx3220_remove(struct i2c_client *client) +static void vpx3220_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct vpx3220 *decoder = to_vpx3220(sd); v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(&decoder->hdl); - - return 0; } static const struct i2c_device_id vpx3220_id[] = { diff --git a/drivers/media/i2c/vs6624.c b/drivers/media/i2c/vs6624.c index 29003dec6f2d..d496bb45f201 100644 --- a/drivers/media/i2c/vs6624.c +++ b/drivers/media/i2c/vs6624.c @@ -824,13 +824,12 @@ static int vs6624_probe(struct i2c_client *client, return ret; } -static int vs6624_remove(struct i2c_client *client) +static void vs6624_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(sd->ctrl_handler); - return 0; } static const struct i2c_device_id vs6624_id[] = { diff --git a/drivers/media/i2c/wm8739.c b/drivers/media/i2c/wm8739.c index ed533834db54..180b35347521 100644 --- a/drivers/media/i2c/wm8739.c +++ b/drivers/media/i2c/wm8739.c @@ -234,14 +234,13 @@ static int wm8739_probe(struct i2c_client *client, return 0; } -static int wm8739_remove(struct i2c_client *client) +static void wm8739_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct wm8739_state *state = to_state(sd); v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(&state->hdl); - return 0; } static const struct i2c_device_id wm8739_id[] = { diff --git a/drivers/media/i2c/wm8775.c b/drivers/media/i2c/wm8775.c index d4c83c39892a..8ff97867d3cd 100644 --- a/drivers/media/i2c/wm8775.c +++ b/drivers/media/i2c/wm8775.c @@ -280,14 +280,13 @@ static int wm8775_probe(struct i2c_client *client, return 0; } -static int wm8775_remove(struct i2c_client *client) +static void wm8775_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct wm8775_state *state = to_state(sd); v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(&state->hdl); - return 0; } static const struct i2c_device_id wm8775_id[] = { diff --git a/drivers/media/radio/radio-tea5764.c b/drivers/media/radio/radio-tea5764.c index 877a24e5c577..abda40e81612 100644 --- a/drivers/media/radio/radio-tea5764.c +++ b/drivers/media/radio/radio-tea5764.c @@ -487,7 +487,7 @@ errfr: return ret; } -static int tea5764_i2c_remove(struct i2c_client *client) +static void tea5764_i2c_remove(struct i2c_client *client) { struct tea5764_device *radio = i2c_get_clientdata(client); @@ -499,7 +499,6 @@ static int tea5764_i2c_remove(struct i2c_client *client) v4l2_device_unregister(&radio->v4l2_dev); kfree(radio); } - return 0; } /* I2C subsystem interface */ diff --git a/drivers/media/radio/saa7706h.c b/drivers/media/radio/saa7706h.c index adb66f869dd2..f9e990a9c3ef 100644 --- a/drivers/media/radio/saa7706h.c +++ b/drivers/media/radio/saa7706h.c @@ -384,7 +384,7 @@ err: return err; } -static int saa7706h_remove(struct i2c_client *client) +static void saa7706h_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct saa7706h_state *state = to_state(sd); @@ -393,7 +393,6 @@ static int saa7706h_remove(struct i2c_client *client) v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(&state->hdl); kfree(to_state(sd)); - return 0; } static const struct i2c_device_id saa7706h_id[] = { diff --git a/drivers/media/radio/si470x/radio-si470x-i2c.c b/drivers/media/radio/si470x/radio-si470x-i2c.c index 59b3d77e282d..a6ad926c2b4e 100644 --- a/drivers/media/radio/si470x/radio-si470x-i2c.c +++ b/drivers/media/radio/si470x/radio-si470x-i2c.c @@ -461,7 +461,7 @@ err_initial: /* * si470x_i2c_remove - remove the device */ -static int si470x_i2c_remove(struct i2c_client *client) +static void si470x_i2c_remove(struct i2c_client *client) { struct si470x_device *radio = i2c_get_clientdata(client); @@ -472,7 +472,6 @@ static int si470x_i2c_remove(struct i2c_client *client) v4l2_ctrl_handler_free(&radio->hdl); v4l2_device_unregister(&radio->v4l2_dev); - return 0; } diff --git a/drivers/media/radio/si4713/si4713.c b/drivers/media/radio/si4713/si4713.c index adbf43ff6a21..2aec642133a1 100644 --- a/drivers/media/radio/si4713/si4713.c +++ b/drivers/media/radio/si4713/si4713.c @@ -1623,7 +1623,7 @@ exit: } /* si4713_remove - remove the device */ -static int si4713_remove(struct i2c_client *client) +static void si4713_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct si4713_device *sdev = to_si4713_device(sd); @@ -1635,8 +1635,6 @@ static int si4713_remove(struct i2c_client *client) v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(sd->ctrl_handler); - - return 0; } /* si4713_i2c_driver - i2c driver interface */ diff --git a/drivers/media/radio/tef6862.c b/drivers/media/radio/tef6862.c index d8810492db4f..7b0870a9785b 100644 --- a/drivers/media/radio/tef6862.c +++ b/drivers/media/radio/tef6862.c @@ -165,13 +165,12 @@ static int tef6862_probe(struct i2c_client *client, return 0; } -static int tef6862_remove(struct i2c_client *client) +static void tef6862_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); kfree(to_state(sd)); - return 0; } static const struct i2c_device_id tef6862_id[] = { diff --git a/drivers/media/test-drivers/vidtv/vidtv_demod.c b/drivers/media/test-drivers/vidtv/vidtv_demod.c index b7823d97b30d..e7959ab1add8 100644 --- a/drivers/media/test-drivers/vidtv/vidtv_demod.c +++ b/drivers/media/test-drivers/vidtv/vidtv_demod.c @@ -438,13 +438,11 @@ static int vidtv_demod_i2c_probe(struct i2c_client *client, return 0; } -static int vidtv_demod_i2c_remove(struct i2c_client *client) +static void vidtv_demod_i2c_remove(struct i2c_client *client) { struct vidtv_demod_state *state = i2c_get_clientdata(client); kfree(state); - - return 0; } static struct i2c_driver vidtv_demod_i2c_driver = { diff --git a/drivers/media/test-drivers/vidtv/vidtv_tuner.c b/drivers/media/test-drivers/vidtv/vidtv_tuner.c index 14b6bc902ee1..aabc97ed736b 100644 --- a/drivers/media/test-drivers/vidtv/vidtv_tuner.c +++ b/drivers/media/test-drivers/vidtv/vidtv_tuner.c @@ -414,13 +414,11 @@ static int vidtv_tuner_i2c_probe(struct i2c_client *client, return 0; } -static int vidtv_tuner_i2c_remove(struct i2c_client *client) +static void vidtv_tuner_i2c_remove(struct i2c_client *client) { struct vidtv_tuner_dev *tuner_dev = i2c_get_clientdata(client); kfree(tuner_dev); - - return 0; } static struct i2c_driver vidtv_tuner_i2c_driver = { diff --git a/drivers/media/tuners/e4000.c b/drivers/media/tuners/e4000.c index a3a8d051dc6c..61ae884ea59a 100644 --- a/drivers/media/tuners/e4000.c +++ b/drivers/media/tuners/e4000.c @@ -706,7 +706,7 @@ err: return ret; } -static int e4000_remove(struct i2c_client *client) +static void e4000_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct e4000_dev *dev = container_of(sd, struct e4000_dev, sd); @@ -717,8 +717,6 @@ static int e4000_remove(struct i2c_client *client) v4l2_ctrl_handler_free(&dev->hdl); #endif kfree(dev); - - return 0; } static const struct i2c_device_id e4000_id_table[] = { diff --git a/drivers/media/tuners/fc2580.c b/drivers/media/tuners/fc2580.c index 1b5961bdf2d5..f30932e1a0f3 100644 --- a/drivers/media/tuners/fc2580.c +++ b/drivers/media/tuners/fc2580.c @@ -588,7 +588,7 @@ err: return ret; } -static int fc2580_remove(struct i2c_client *client) +static void fc2580_remove(struct i2c_client *client) { struct fc2580_dev *dev = i2c_get_clientdata(client); @@ -598,7 +598,6 @@ static int fc2580_remove(struct i2c_client *client) v4l2_ctrl_handler_free(&dev->hdl); #endif kfree(dev); - return 0; } static const struct i2c_device_id fc2580_id_table[] = { diff --git a/drivers/media/tuners/m88rs6000t.c b/drivers/media/tuners/m88rs6000t.c index 8647c50b66e5..e32e3e9daa15 100644 --- a/drivers/media/tuners/m88rs6000t.c +++ b/drivers/media/tuners/m88rs6000t.c @@ -697,7 +697,7 @@ err: return ret; } -static int m88rs6000t_remove(struct i2c_client *client) +static void m88rs6000t_remove(struct i2c_client *client) { struct m88rs6000t_dev *dev = i2c_get_clientdata(client); struct dvb_frontend *fe = dev->cfg.fe; @@ -707,8 +707,6 @@ static int m88rs6000t_remove(struct i2c_client *client) memset(&fe->ops.tuner_ops, 0, sizeof(struct dvb_tuner_ops)); fe->tuner_priv = NULL; kfree(dev); - - return 0; } static const struct i2c_device_id m88rs6000t_id[] = { diff --git a/drivers/media/tuners/mt2060.c b/drivers/media/tuners/mt2060.c index 204e6186bf71..322c806228a5 100644 --- a/drivers/media/tuners/mt2060.c +++ b/drivers/media/tuners/mt2060.c @@ -509,11 +509,9 @@ err: return ret; } -static int mt2060_remove(struct i2c_client *client) +static void mt2060_remove(struct i2c_client *client) { dev_dbg(&client->dev, "\n"); - - return 0; } static const struct i2c_device_id mt2060_id_table[] = { diff --git a/drivers/media/tuners/mxl301rf.c b/drivers/media/tuners/mxl301rf.c index c628435a1b06..6422056185a9 100644 --- a/drivers/media/tuners/mxl301rf.c +++ b/drivers/media/tuners/mxl301rf.c @@ -307,14 +307,13 @@ static int mxl301rf_probe(struct i2c_client *client, return 0; } -static int mxl301rf_remove(struct i2c_client *client) +static void mxl301rf_remove(struct i2c_client *client) { struct mxl301rf_state *state; state = cfg_to_state(i2c_get_clientdata(client)); state->cfg.fe->tuner_priv = NULL; kfree(state); - return 0; } diff --git a/drivers/media/tuners/qm1d1b0004.c b/drivers/media/tuners/qm1d1b0004.c index 008ad870c00f..9cba0893207c 100644 --- a/drivers/media/tuners/qm1d1b0004.c +++ b/drivers/media/tuners/qm1d1b0004.c @@ -232,14 +232,13 @@ err_mem: return ret; } -static int qm1d1b0004_remove(struct i2c_client *client) +static void qm1d1b0004_remove(struct i2c_client *client) { struct dvb_frontend *fe; fe = i2c_get_clientdata(client); kfree(fe->tuner_priv); fe->tuner_priv = NULL; - return 0; } diff --git a/drivers/media/tuners/qm1d1c0042.c b/drivers/media/tuners/qm1d1c0042.c index 53aa2558f71e..2d60bf501fb5 100644 --- a/drivers/media/tuners/qm1d1c0042.c +++ b/drivers/media/tuners/qm1d1c0042.c @@ -424,14 +424,13 @@ static int qm1d1c0042_probe(struct i2c_client *client, return 0; } -static int qm1d1c0042_remove(struct i2c_client *client) +static void qm1d1c0042_remove(struct i2c_client *client) { struct qm1d1c0042_state *state; state = cfg_to_state(i2c_get_clientdata(client)); state->cfg.fe->tuner_priv = NULL; kfree(state); - return 0; } diff --git a/drivers/media/tuners/si2157.c b/drivers/media/tuners/si2157.c index 0de587b412d4..476b32c04c20 100644 --- a/drivers/media/tuners/si2157.c +++ b/drivers/media/tuners/si2157.c @@ -951,7 +951,7 @@ err: return ret; } -static int si2157_remove(struct i2c_client *client) +static void si2157_remove(struct i2c_client *client) { struct si2157_dev *dev = i2c_get_clientdata(client); struct dvb_frontend *fe = dev->fe; @@ -969,8 +969,6 @@ static int si2157_remove(struct i2c_client *client) memset(&fe->ops.tuner_ops, 0, sizeof(struct dvb_tuner_ops)); fe->tuner_priv = NULL; kfree(dev); - - return 0; } /* diff --git a/drivers/media/tuners/tda18212.c b/drivers/media/tuners/tda18212.c index bf48f1cd83d2..eb97711c9c68 100644 --- a/drivers/media/tuners/tda18212.c +++ b/drivers/media/tuners/tda18212.c @@ -242,7 +242,7 @@ err: return ret; } -static int tda18212_remove(struct i2c_client *client) +static void tda18212_remove(struct i2c_client *client) { struct tda18212_dev *dev = i2c_get_clientdata(client); struct dvb_frontend *fe = dev->cfg.fe; @@ -252,8 +252,6 @@ static int tda18212_remove(struct i2c_client *client) memset(&fe->ops.tuner_ops, 0, sizeof(struct dvb_tuner_ops)); fe->tuner_priv = NULL; kfree(dev); - - return 0; } static const struct i2c_device_id tda18212_id[] = { diff --git a/drivers/media/tuners/tda18250.c b/drivers/media/tuners/tda18250.c index 8a5781b966ee..e404a5afad4c 100644 --- a/drivers/media/tuners/tda18250.c +++ b/drivers/media/tuners/tda18250.c @@ -856,7 +856,7 @@ err: return ret; } -static int tda18250_remove(struct i2c_client *client) +static void tda18250_remove(struct i2c_client *client) { struct tda18250_dev *dev = i2c_get_clientdata(client); struct dvb_frontend *fe = dev->fe; @@ -866,8 +866,6 @@ static int tda18250_remove(struct i2c_client *client) memset(&fe->ops.tuner_ops, 0, sizeof(struct dvb_tuner_ops)); fe->tuner_priv = NULL; kfree(dev); - - return 0; } static const struct i2c_device_id tda18250_id_table[] = { diff --git a/drivers/media/tuners/tua9001.c b/drivers/media/tuners/tua9001.c index af7d5ea1f77e..d141d000b819 100644 --- a/drivers/media/tuners/tua9001.c +++ b/drivers/media/tuners/tua9001.c @@ -227,7 +227,7 @@ err: return ret; } -static int tua9001_remove(struct i2c_client *client) +static void tua9001_remove(struct i2c_client *client) { struct tua9001_dev *dev = i2c_get_clientdata(client); struct dvb_frontend *fe = dev->fe; @@ -243,7 +243,6 @@ static int tua9001_remove(struct i2c_client *client) dev_err(&client->dev, "Tuner disable failed (%pe)\n", ERR_PTR(ret)); } kfree(dev); - return 0; } static const struct i2c_device_id tua9001_id_table[] = { diff --git a/drivers/media/usb/go7007/s2250-board.c b/drivers/media/usb/go7007/s2250-board.c index 1fa6f10ee157..2f45188bf9d4 100644 --- a/drivers/media/usb/go7007/s2250-board.c +++ b/drivers/media/usb/go7007/s2250-board.c @@ -601,7 +601,7 @@ fail: return err; } -static int s2250_remove(struct i2c_client *client) +static void s2250_remove(struct i2c_client *client) { struct s2250 *state = to_state(i2c_get_clientdata(client)); @@ -609,7 +609,6 @@ static int s2250_remove(struct i2c_client *client) v4l2_device_unregister_subdev(&state->sd); v4l2_ctrl_handler_free(&state->hdl); kfree(state); - return 0; } static const struct i2c_device_id s2250_id[] = { diff --git a/drivers/media/v4l2-core/tuner-core.c b/drivers/media/v4l2-core/tuner-core.c index 2d47c10de062..33162dc1daf6 100644 --- a/drivers/media/v4l2-core/tuner-core.c +++ b/drivers/media/v4l2-core/tuner-core.c @@ -779,7 +779,7 @@ register_client: * @client: i2c_client descriptor */ -static int tuner_remove(struct i2c_client *client) +static void tuner_remove(struct i2c_client *client) { struct tuner *t = to_tuner(i2c_get_clientdata(client)); @@ -789,7 +789,6 @@ static int tuner_remove(struct i2c_client *client) list_del(&t->list); kfree(t); - return 0; } /* diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c index eaf9845633b4..a30e47b74327 100644 --- a/drivers/mfd/88pm800.c +++ b/drivers/mfd/88pm800.c @@ -583,7 +583,7 @@ out_init: return ret; } -static int pm800_remove(struct i2c_client *client) +static void pm800_remove(struct i2c_client *client) { struct pm80x_chip *chip = i2c_get_clientdata(client); @@ -592,8 +592,6 @@ static int pm800_remove(struct i2c_client *client) pm800_pages_exit(chip); pm80x_deinit(); - - return 0; } static struct i2c_driver pm800_driver = { diff --git a/drivers/mfd/88pm805.c b/drivers/mfd/88pm805.c index ada6c513302b..10d3637840c8 100644 --- a/drivers/mfd/88pm805.c +++ b/drivers/mfd/88pm805.c @@ -239,7 +239,7 @@ out_init: return ret; } -static int pm805_remove(struct i2c_client *client) +static void pm805_remove(struct i2c_client *client) { struct pm80x_chip *chip = i2c_get_clientdata(client); @@ -247,8 +247,6 @@ static int pm805_remove(struct i2c_client *client) device_irq_exit_805(chip); pm80x_deinit(); - - return 0; } static struct i2c_driver pm805_driver = { diff --git a/drivers/mfd/88pm860x-core.c b/drivers/mfd/88pm860x-core.c index b1e829ea909b..5dc86dd66202 100644 --- a/drivers/mfd/88pm860x-core.c +++ b/drivers/mfd/88pm860x-core.c @@ -1201,7 +1201,7 @@ static int pm860x_probe(struct i2c_client *client) return 0; } -static int pm860x_remove(struct i2c_client *client) +static void pm860x_remove(struct i2c_client *client) { struct pm860x_chip *chip = i2c_get_clientdata(client); @@ -1210,7 +1210,6 @@ static int pm860x_remove(struct i2c_client *client) regmap_exit(chip->regmap_companion); i2c_unregister_device(chip->companion); } - return 0; } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/mfd/acer-ec-a500.c b/drivers/mfd/acer-ec-a500.c index 80c2fdd14fc4..7fd8b9988075 100644 --- a/drivers/mfd/acer-ec-a500.c +++ b/drivers/mfd/acer-ec-a500.c @@ -169,7 +169,7 @@ static int a500_ec_probe(struct i2c_client *client) return 0; } -static int a500_ec_remove(struct i2c_client *client) +static void a500_ec_remove(struct i2c_client *client) { if (of_device_is_system_power_controller(client->dev.of_node)) { if (pm_power_off == a500_ec_poweroff) @@ -177,8 +177,6 @@ static int a500_ec_remove(struct i2c_client *client) unregister_restart_handler(&a500_ec_restart_handler); } - - return 0; } static const struct of_device_id a500_ec_match[] = { diff --git a/drivers/mfd/arizona-i2c.c b/drivers/mfd/arizona-i2c.c index 6d83e6b9a692..bfc7cf56ff2c 100644 --- a/drivers/mfd/arizona-i2c.c +++ b/drivers/mfd/arizona-i2c.c @@ -84,13 +84,11 @@ static int arizona_i2c_probe(struct i2c_client *i2c, return arizona_dev_init(arizona); } -static int arizona_i2c_remove(struct i2c_client *i2c) +static void arizona_i2c_remove(struct i2c_client *i2c) { struct arizona *arizona = dev_get_drvdata(&i2c->dev); arizona_dev_exit(arizona); - - return 0; } static const struct i2c_device_id arizona_i2c_id[] = { diff --git a/drivers/mfd/axp20x-i2c.c b/drivers/mfd/axp20x-i2c.c index 00ab48018d8d..8fd6727dc30a 100644 --- a/drivers/mfd/axp20x-i2c.c +++ b/drivers/mfd/axp20x-i2c.c @@ -50,13 +50,11 @@ static int axp20x_i2c_probe(struct i2c_client *i2c, return axp20x_device_probe(axp20x); } -static int axp20x_i2c_remove(struct i2c_client *i2c) +static void axp20x_i2c_remove(struct i2c_client *i2c) { struct axp20x_dev *axp20x = i2c_get_clientdata(i2c); axp20x_device_remove(axp20x); - - return 0; } #ifdef CONFIG_OF diff --git a/drivers/mfd/da903x.c b/drivers/mfd/da903x.c index a818fbb55988..3f8f6ad3a98c 100644 --- a/drivers/mfd/da903x.c +++ b/drivers/mfd/da903x.c @@ -532,12 +532,11 @@ static int da903x_probe(struct i2c_client *client, return da903x_add_subdevs(chip, pdata); } -static int da903x_remove(struct i2c_client *client) +static void da903x_remove(struct i2c_client *client) { struct da903x_chip *chip = i2c_get_clientdata(client); da903x_remove_subdevs(chip); - return 0; } static struct i2c_driver da903x_driver = { diff --git a/drivers/mfd/da9052-i2c.c b/drivers/mfd/da9052-i2c.c index 8de93db35f3a..5a74696c8704 100644 --- a/drivers/mfd/da9052-i2c.c +++ b/drivers/mfd/da9052-i2c.c @@ -168,12 +168,11 @@ static int da9052_i2c_probe(struct i2c_client *client, return da9052_device_init(da9052, id->driver_data); } -static int da9052_i2c_remove(struct i2c_client *client) +static void da9052_i2c_remove(struct i2c_client *client) { struct da9052 *da9052 = i2c_get_clientdata(client); da9052_device_exit(da9052); - return 0; } static struct i2c_driver da9052_i2c_driver = { diff --git a/drivers/mfd/da9055-i2c.c b/drivers/mfd/da9055-i2c.c index bc60433b68db..276c7d1c509e 100644 --- a/drivers/mfd/da9055-i2c.c +++ b/drivers/mfd/da9055-i2c.c @@ -41,13 +41,11 @@ static int da9055_i2c_probe(struct i2c_client *i2c, return da9055_device_init(da9055); } -static int da9055_i2c_remove(struct i2c_client *i2c) +static void da9055_i2c_remove(struct i2c_client *i2c) { struct da9055 *da9055 = i2c_get_clientdata(i2c); da9055_device_exit(da9055); - - return 0; } /* diff --git a/drivers/mfd/da9062-core.c b/drivers/mfd/da9062-core.c index 2774b2cbaea6..0a80d82c6858 100644 --- a/drivers/mfd/da9062-core.c +++ b/drivers/mfd/da9062-core.c @@ -723,14 +723,12 @@ static int da9062_i2c_probe(struct i2c_client *i2c, return ret; } -static int da9062_i2c_remove(struct i2c_client *i2c) +static void da9062_i2c_remove(struct i2c_client *i2c) { struct da9062 *chip = i2c_get_clientdata(i2c); mfd_remove_devices(chip->dev); regmap_del_irq_chip(i2c->irq, chip->regmap_irq); - - return 0; } static const struct i2c_device_id da9062_i2c_id[] = { diff --git a/drivers/mfd/da9150-core.c b/drivers/mfd/da9150-core.c index 58009c8cb870..6ae56e46d24e 100644 --- a/drivers/mfd/da9150-core.c +++ b/drivers/mfd/da9150-core.c @@ -471,15 +471,13 @@ regmap_irq_fail: return ret; } -static int da9150_remove(struct i2c_client *client) +static void da9150_remove(struct i2c_client *client) { struct da9150 *da9150 = i2c_get_clientdata(client); regmap_del_irq_chip(da9150->irq, da9150->regmap_irq_data); mfd_remove_devices(da9150->dev); i2c_unregister_device(da9150->core_qif); - - return 0; } static void da9150_shutdown(struct i2c_client *client) diff --git a/drivers/mfd/dm355evm_msp.c b/drivers/mfd/dm355evm_msp.c index 54fb6cbd2aa0..759c59690680 100644 --- a/drivers/mfd/dm355evm_msp.c +++ b/drivers/mfd/dm355evm_msp.c @@ -375,11 +375,10 @@ static void dm355evm_power_off(void) dm355evm_command(MSP_COMMAND_POWEROFF); } -static int dm355evm_msp_remove(struct i2c_client *client) +static void dm355evm_msp_remove(struct i2c_client *client) { pm_power_off = NULL; msp430 = NULL; - return 0; } static int diff --git a/drivers/mfd/ene-kb3930.c b/drivers/mfd/ene-kb3930.c index 1b73318d1f1f..3eff98e26bea 100644 --- a/drivers/mfd/ene-kb3930.c +++ b/drivers/mfd/ene-kb3930.c @@ -177,7 +177,7 @@ static int kb3930_probe(struct i2c_client *client) return 0; } -static int kb3930_remove(struct i2c_client *client) +static void kb3930_remove(struct i2c_client *client) { struct kb3930 *ddata = i2c_get_clientdata(client); @@ -187,8 +187,6 @@ static int kb3930_remove(struct i2c_client *client) unregister_restart_handler(&kb3930_restart_nb); } kb3930_power_off = NULL; - - return 0; } static const struct of_device_id kb3930_dt_ids[] = { diff --git a/drivers/mfd/gateworks-gsc.c b/drivers/mfd/gateworks-gsc.c index d87876747b91..9d7d870c44a8 100644 --- a/drivers/mfd/gateworks-gsc.c +++ b/drivers/mfd/gateworks-gsc.c @@ -255,11 +255,9 @@ static int gsc_probe(struct i2c_client *client) return 0; } -static int gsc_remove(struct i2c_client *client) +static void gsc_remove(struct i2c_client *client) { sysfs_remove_group(&client->dev.kobj, &attr_group); - - return 0; } static struct i2c_driver gsc_driver = { diff --git a/drivers/mfd/intel_soc_pmic_core.c b/drivers/mfd/intel_soc_pmic_core.c index 5e8c94e008ed..b824e15f4d22 100644 --- a/drivers/mfd/intel_soc_pmic_core.c +++ b/drivers/mfd/intel_soc_pmic_core.c @@ -81,7 +81,7 @@ err_del_irq_chip: return ret; } -static int intel_soc_pmic_i2c_remove(struct i2c_client *i2c) +static void intel_soc_pmic_i2c_remove(struct i2c_client *i2c) { struct intel_soc_pmic *pmic = dev_get_drvdata(&i2c->dev); @@ -91,8 +91,6 @@ static int intel_soc_pmic_i2c_remove(struct i2c_client *i2c) pwm_remove_table(crc_pwm_lookup, ARRAY_SIZE(crc_pwm_lookup)); mfd_remove_devices(&i2c->dev); - - return 0; } static void intel_soc_pmic_shutdown(struct i2c_client *i2c) diff --git a/drivers/mfd/iqs62x.c b/drivers/mfd/iqs62x.c index 575ab67e243d..1895fce25b06 100644 --- a/drivers/mfd/iqs62x.c +++ b/drivers/mfd/iqs62x.c @@ -1008,13 +1008,11 @@ static int iqs62x_probe(struct i2c_client *client) return ret; } -static int iqs62x_remove(struct i2c_client *client) +static void iqs62x_remove(struct i2c_client *client) { struct iqs62x_core *iqs62x = i2c_get_clientdata(client); wait_for_completion(&iqs62x->fw_done); - - return 0; } static int __maybe_unused iqs62x_suspend(struct device *dev) diff --git a/drivers/mfd/lm3533-core.c b/drivers/mfd/lm3533-core.c index 5690768f3e63..be32ffc5af38 100644 --- a/drivers/mfd/lm3533-core.c +++ b/drivers/mfd/lm3533-core.c @@ -607,15 +607,13 @@ static int lm3533_i2c_probe(struct i2c_client *i2c, return lm3533_device_init(lm3533); } -static int lm3533_i2c_remove(struct i2c_client *i2c) +static void lm3533_i2c_remove(struct i2c_client *i2c) { struct lm3533 *lm3533 = i2c_get_clientdata(i2c); dev_dbg(&i2c->dev, "%s\n", __func__); lm3533_device_exit(lm3533); - - return 0; } static const struct i2c_device_id lm3533_i2c_ids[] = { diff --git a/drivers/mfd/lp8788.c b/drivers/mfd/lp8788.c index c223d2c6a363..e7c601bca9ef 100644 --- a/drivers/mfd/lp8788.c +++ b/drivers/mfd/lp8788.c @@ -199,13 +199,12 @@ static int lp8788_probe(struct i2c_client *cl, const struct i2c_device_id *id) ARRAY_SIZE(lp8788_devs), NULL, 0, NULL); } -static int lp8788_remove(struct i2c_client *cl) +static void lp8788_remove(struct i2c_client *cl) { struct lp8788 *lp = i2c_get_clientdata(cl); mfd_remove_devices(lp->dev); lp8788_irq_exit(lp); - return 0; } static const struct i2c_device_id lp8788_ids[] = { diff --git a/drivers/mfd/madera-i2c.c b/drivers/mfd/madera-i2c.c index 7df5b9ba5855..915d2f95bad3 100644 --- a/drivers/mfd/madera-i2c.c +++ b/drivers/mfd/madera-i2c.c @@ -112,13 +112,11 @@ static int madera_i2c_probe(struct i2c_client *i2c, return madera_dev_init(madera); } -static int madera_i2c_remove(struct i2c_client *i2c) +static void madera_i2c_remove(struct i2c_client *i2c) { struct madera *madera = dev_get_drvdata(&i2c->dev); madera_dev_exit(madera); - - return 0; } static const struct i2c_device_id madera_i2c_id[] = { diff --git a/drivers/mfd/max14577.c b/drivers/mfd/max14577.c index 6c487fa14e9c..d44ad6f33742 100644 --- a/drivers/mfd/max14577.c +++ b/drivers/mfd/max14577.c @@ -463,7 +463,7 @@ err_max77836: return ret; } -static int max14577_i2c_remove(struct i2c_client *i2c) +static void max14577_i2c_remove(struct i2c_client *i2c) { struct max14577 *max14577 = i2c_get_clientdata(i2c); @@ -471,8 +471,6 @@ static int max14577_i2c_remove(struct i2c_client *i2c) regmap_del_irq_chip(max14577->irq, max14577->irq_data); if (max14577->dev_type == MAXIM_DEVICE_TYPE_MAX77836) max77836_remove(max14577); - - return 0; } static const struct i2c_device_id max14577_i2c_id[] = { diff --git a/drivers/mfd/max77693.c b/drivers/mfd/max77693.c index 4e6244e17559..7088cb6f9174 100644 --- a/drivers/mfd/max77693.c +++ b/drivers/mfd/max77693.c @@ -294,7 +294,7 @@ err_i2c_haptic: return ret; } -static int max77693_i2c_remove(struct i2c_client *i2c) +static void max77693_i2c_remove(struct i2c_client *i2c) { struct max77693_dev *max77693 = i2c_get_clientdata(i2c); @@ -307,8 +307,6 @@ static int max77693_i2c_remove(struct i2c_client *i2c) i2c_unregister_device(max77693->i2c_muic); i2c_unregister_device(max77693->i2c_haptic); - - return 0; } static const struct i2c_device_id max77693_i2c_id[] = { diff --git a/drivers/mfd/max8907.c b/drivers/mfd/max8907.c index 41f566e6a096..c340080971ce 100644 --- a/drivers/mfd/max8907.c +++ b/drivers/mfd/max8907.c @@ -282,7 +282,7 @@ err_alloc_drvdata: return ret; } -static int max8907_i2c_remove(struct i2c_client *i2c) +static void max8907_i2c_remove(struct i2c_client *i2c) { struct max8907 *max8907 = i2c_get_clientdata(i2c); @@ -293,8 +293,6 @@ static int max8907_i2c_remove(struct i2c_client *i2c) regmap_del_irq_chip(max8907->i2c_gen->irq, max8907->irqc_chg); i2c_unregister_device(max8907->i2c_rtc); - - return 0; } #ifdef CONFIG_OF diff --git a/drivers/mfd/max8925-i2c.c b/drivers/mfd/max8925-i2c.c index 114e905bef25..04101da42bd3 100644 --- a/drivers/mfd/max8925-i2c.c +++ b/drivers/mfd/max8925-i2c.c @@ -198,14 +198,13 @@ static int max8925_probe(struct i2c_client *client, return 0; } -static int max8925_remove(struct i2c_client *client) +static void max8925_remove(struct i2c_client *client) { struct max8925_chip *chip = i2c_get_clientdata(client); max8925_device_exit(chip); i2c_unregister_device(chip->adc); i2c_unregister_device(chip->rtc); - return 0; } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/mfd/mc13xxx-i2c.c b/drivers/mfd/mc13xxx-i2c.c index fb937f66277e..eb94f3004cf3 100644 --- a/drivers/mfd/mc13xxx-i2c.c +++ b/drivers/mfd/mc13xxx-i2c.c @@ -85,10 +85,9 @@ static int mc13xxx_i2c_probe(struct i2c_client *client, return mc13xxx_common_init(&client->dev); } -static int mc13xxx_i2c_remove(struct i2c_client *client) +static void mc13xxx_i2c_remove(struct i2c_client *client) { mc13xxx_common_exit(&client->dev); - return 0; } static struct i2c_driver mc13xxx_i2c_driver = { diff --git a/drivers/mfd/menelaus.c b/drivers/mfd/menelaus.c index 07e0ca2e467c..eb08f69001f9 100644 --- a/drivers/mfd/menelaus.c +++ b/drivers/mfd/menelaus.c @@ -1222,14 +1222,13 @@ fail: return err; } -static int menelaus_remove(struct i2c_client *client) +static void menelaus_remove(struct i2c_client *client) { struct menelaus_chip *menelaus = i2c_get_clientdata(client); free_irq(client->irq, menelaus); flush_work(&menelaus->work); the_menelaus = NULL; - return 0; } static const struct i2c_device_id menelaus_id[] = { diff --git a/drivers/mfd/ntxec.c b/drivers/mfd/ntxec.c index b711e73eedcb..e16a7a82a929 100644 --- a/drivers/mfd/ntxec.c +++ b/drivers/mfd/ntxec.c @@ -239,15 +239,13 @@ static int ntxec_probe(struct i2c_client *client) return res; } -static int ntxec_remove(struct i2c_client *client) +static void ntxec_remove(struct i2c_client *client) { if (client == poweroff_restart_client) { poweroff_restart_client = NULL; pm_power_off = NULL; unregister_restart_handler(&ntxec_restart_handler); } - - return 0; } static const struct of_device_id of_ntxec_match_table[] = { diff --git a/drivers/mfd/palmas.c b/drivers/mfd/palmas.c index f5b3fa973b13..8b7429bd2e3e 100644 --- a/drivers/mfd/palmas.c +++ b/drivers/mfd/palmas.c @@ -700,7 +700,7 @@ err_i2c: return ret; } -static int palmas_i2c_remove(struct i2c_client *i2c) +static void palmas_i2c_remove(struct i2c_client *i2c) { struct palmas *palmas = i2c_get_clientdata(i2c); int i; @@ -716,8 +716,6 @@ static int palmas_i2c_remove(struct i2c_client *i2c) pm_power_off = NULL; palmas_dev = NULL; } - - return 0; } static const struct i2c_device_id palmas_i2c_id[] = { diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c index e9c565cf0f54..4ccc2c3e7681 100644 --- a/drivers/mfd/pcf50633-core.c +++ b/drivers/mfd/pcf50633-core.c @@ -273,7 +273,7 @@ err2: return ret; } -static int pcf50633_remove(struct i2c_client *client) +static void pcf50633_remove(struct i2c_client *client) { struct pcf50633 *pcf = i2c_get_clientdata(client); int i; @@ -289,8 +289,6 @@ static int pcf50633_remove(struct i2c_client *client) for (i = 0; i < PCF50633_NUM_REGULATORS; i++) platform_device_unregister(pcf->regulator_pdev[i]); - - return 0; } static const struct i2c_device_id pcf50633_id_table[] = { diff --git a/drivers/mfd/retu-mfd.c b/drivers/mfd/retu-mfd.c index c748fd29a220..3b5acf7ca39c 100644 --- a/drivers/mfd/retu-mfd.c +++ b/drivers/mfd/retu-mfd.c @@ -287,7 +287,7 @@ static int retu_probe(struct i2c_client *i2c, const struct i2c_device_id *id) return 0; } -static int retu_remove(struct i2c_client *i2c) +static void retu_remove(struct i2c_client *i2c) { struct retu_dev *rdev = i2c_get_clientdata(i2c); @@ -297,8 +297,6 @@ static int retu_remove(struct i2c_client *i2c) } mfd_remove_devices(rdev->dev); regmap_del_irq_chip(i2c->irq, rdev->irq_data); - - return 0; } static const struct i2c_device_id retu_id[] = { diff --git a/drivers/mfd/rk808.c b/drivers/mfd/rk808.c index 4142b638e5fa..d5d641efa077 100644 --- a/drivers/mfd/rk808.c +++ b/drivers/mfd/rk808.c @@ -778,7 +778,7 @@ err_irq: return ret; } -static int rk808_remove(struct i2c_client *client) +static void rk808_remove(struct i2c_client *client) { struct rk808 *rk808 = i2c_get_clientdata(client); @@ -792,8 +792,6 @@ static int rk808_remove(struct i2c_client *client) pm_power_off = NULL; unregister_restart_handler(&rk808_restart_handler); - - return 0; } static int __maybe_unused rk8xx_suspend(struct device *dev) diff --git a/drivers/mfd/rn5t618.c b/drivers/mfd/rn5t618.c index 384acb459427..eb8005b4e58d 100644 --- a/drivers/mfd/rn5t618.c +++ b/drivers/mfd/rn5t618.c @@ -241,7 +241,7 @@ static int rn5t618_i2c_probe(struct i2c_client *i2c) return rn5t618_irq_init(priv); } -static int rn5t618_i2c_remove(struct i2c_client *i2c) +static void rn5t618_i2c_remove(struct i2c_client *i2c) { if (i2c == rn5t618_pm_power_off) { rn5t618_pm_power_off = NULL; @@ -249,8 +249,6 @@ static int rn5t618_i2c_remove(struct i2c_client *i2c) } unregister_restart_handler(&rn5t618_restart_handler); - - return 0; } static int __maybe_unused rn5t618_i2c_suspend(struct device *dev) diff --git a/drivers/mfd/rsmu_i2c.c b/drivers/mfd/rsmu_i2c.c index dc001c9791c1..f716ab8039a0 100644 --- a/drivers/mfd/rsmu_i2c.c +++ b/drivers/mfd/rsmu_i2c.c @@ -146,13 +146,11 @@ static int rsmu_i2c_probe(struct i2c_client *client, return rsmu_core_init(rsmu); } -static int rsmu_i2c_remove(struct i2c_client *client) +static void rsmu_i2c_remove(struct i2c_client *client) { struct rsmu_ddata *rsmu = i2c_get_clientdata(client); rsmu_core_exit(rsmu); - - return 0; } static const struct i2c_device_id rsmu_i2c_id[] = { diff --git a/drivers/mfd/rt4831.c b/drivers/mfd/rt4831.c index fb3bd788a3eb..c6d34dc2b520 100644 --- a/drivers/mfd/rt4831.c +++ b/drivers/mfd/rt4831.c @@ -87,7 +87,7 @@ static int rt4831_probe(struct i2c_client *client) ARRAY_SIZE(rt4831_subdevs), NULL, 0, NULL); } -static int rt4831_remove(struct i2c_client *client) +static void rt4831_remove(struct i2c_client *client) { struct regmap *regmap = dev_get_regmap(&client->dev, NULL); int ret; @@ -96,8 +96,6 @@ static int rt4831_remove(struct i2c_client *client) ret = regmap_update_bits(regmap, RT4831_REG_ENABLE, RT4831_RESET_MASK, RT4831_RESET_MASK); if (ret) dev_warn(&client->dev, "Failed to disable outputs (%pe)\n", ERR_PTR(ret)); - - return 0; } static const struct of_device_id __maybe_unused rt4831_of_match[] = { diff --git a/drivers/mfd/si476x-i2c.c b/drivers/mfd/si476x-i2c.c index a2635c2d9d1a..8166949b725c 100644 --- a/drivers/mfd/si476x-i2c.c +++ b/drivers/mfd/si476x-i2c.c @@ -835,7 +835,7 @@ free_gpio: return rval; } -static int si476x_core_remove(struct i2c_client *client) +static void si476x_core_remove(struct i2c_client *client) { struct si476x_core *core = i2c_get_clientdata(client); @@ -851,8 +851,6 @@ static int si476x_core_remove(struct i2c_client *client) if (gpio_is_valid(core->gpio_reset)) gpio_free(core->gpio_reset); - - return 0; } diff --git a/drivers/mfd/stmfx.c b/drivers/mfd/stmfx.c index 122f96094410..5dd7d9688459 100644 --- a/drivers/mfd/stmfx.c +++ b/drivers/mfd/stmfx.c @@ -467,13 +467,11 @@ err_chip_exit: return ret; } -static int stmfx_remove(struct i2c_client *client) +static void stmfx_remove(struct i2c_client *client) { stmfx_irq_exit(client); stmfx_chip_exit(client); - - return 0; } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/mfd/stmpe-i2c.c b/drivers/mfd/stmpe-i2c.c index d3eedf3d607e..4d55494a97c4 100644 --- a/drivers/mfd/stmpe-i2c.c +++ b/drivers/mfd/stmpe-i2c.c @@ -91,13 +91,11 @@ stmpe_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) return stmpe_probe(&i2c_ci, partnum); } -static int stmpe_i2c_remove(struct i2c_client *i2c) +static void stmpe_i2c_remove(struct i2c_client *i2c) { struct stmpe *stmpe = dev_get_drvdata(&i2c->dev); stmpe_remove(stmpe); - - return 0; } static const struct i2c_device_id stmpe_i2c_id[] = { diff --git a/drivers/mfd/tc3589x.c b/drivers/mfd/tc3589x.c index 13583cdb93b6..d5d0ec117acb 100644 --- a/drivers/mfd/tc3589x.c +++ b/drivers/mfd/tc3589x.c @@ -429,13 +429,11 @@ static int tc3589x_probe(struct i2c_client *i2c, return 0; } -static int tc3589x_remove(struct i2c_client *client) +static void tc3589x_remove(struct i2c_client *client) { struct tc3589x *tc3589x = i2c_get_clientdata(client); mfd_remove_devices(tc3589x->dev); - - return 0; } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/mfd/tps6105x.c b/drivers/mfd/tps6105x.c index c906324d293e..b360568ea675 100644 --- a/drivers/mfd/tps6105x.c +++ b/drivers/mfd/tps6105x.c @@ -179,7 +179,7 @@ static int tps6105x_probe(struct i2c_client *client, return ret; } -static int tps6105x_remove(struct i2c_client *client) +static void tps6105x_remove(struct i2c_client *client) { struct tps6105x *tps6105x = i2c_get_clientdata(client); @@ -189,8 +189,6 @@ static int tps6105x_remove(struct i2c_client *client) regmap_update_bits(tps6105x->regmap, TPS6105X_REG_0, TPS6105X_REG0_MODE_MASK, TPS6105X_MODE_SHUTDOWN << TPS6105X_REG0_MODE_SHIFT); - - return 0; } static const struct i2c_device_id tps6105x_id[] = { diff --git a/drivers/mfd/tps65010.c b/drivers/mfd/tps65010.c index 7e7dbee58ca9..c2afa2e69f42 100644 --- a/drivers/mfd/tps65010.c +++ b/drivers/mfd/tps65010.c @@ -501,7 +501,7 @@ static int tps65010_gpio_get(struct gpio_chip *chip, unsigned offset) static struct tps65010 *the_tps; -static int tps65010_remove(struct i2c_client *client) +static void tps65010_remove(struct i2c_client *client) { struct tps65010 *tps = i2c_get_clientdata(client); struct tps65010_board *board = dev_get_platdata(&client->dev); @@ -517,7 +517,6 @@ static int tps65010_remove(struct i2c_client *client) cancel_delayed_work_sync(&tps->work); debugfs_remove(tps->file); the_tps = NULL; - return 0; } static int tps65010_probe(struct i2c_client *client, diff --git a/drivers/mfd/tps65086.c b/drivers/mfd/tps65086.c index cbae9777a24e..81a7360a87bb 100644 --- a/drivers/mfd/tps65086.c +++ b/drivers/mfd/tps65086.c @@ -111,14 +111,12 @@ static int tps65086_probe(struct i2c_client *client, return ret; } -static int tps65086_remove(struct i2c_client *client) +static void tps65086_remove(struct i2c_client *client) { struct tps65086 *tps = i2c_get_clientdata(client); if (tps->irq > 0) regmap_del_irq_chip(tps->irq, tps->irq_data); - - return 0; } static const struct i2c_device_id tps65086_id_table[] = { diff --git a/drivers/mfd/tps65217.c b/drivers/mfd/tps65217.c index 8e8da204a02e..eebd60601b01 100644 --- a/drivers/mfd/tps65217.c +++ b/drivers/mfd/tps65217.c @@ -374,7 +374,7 @@ static int tps65217_probe(struct i2c_client *client) return 0; } -static int tps65217_remove(struct i2c_client *client) +static void tps65217_remove(struct i2c_client *client) { struct tps65217 *tps = i2c_get_clientdata(client); unsigned int virq; @@ -388,8 +388,6 @@ static int tps65217_remove(struct i2c_client *client) irq_domain_remove(tps->irq_domain); tps->irq_domain = NULL; - - return 0; } static const struct i2c_device_id tps65217_id_table[] = { diff --git a/drivers/mfd/tps6586x.c b/drivers/mfd/tps6586x.c index c9303d3d6602..fb340da64bbc 100644 --- a/drivers/mfd/tps6586x.c +++ b/drivers/mfd/tps6586x.c @@ -579,7 +579,7 @@ err_mfd_add: return ret; } -static int tps6586x_i2c_remove(struct i2c_client *client) +static void tps6586x_i2c_remove(struct i2c_client *client) { struct tps6586x *tps6586x = i2c_get_clientdata(client); @@ -587,7 +587,6 @@ static int tps6586x_i2c_remove(struct i2c_client *client) mfd_remove_devices(tps6586x->dev); if (client->irq) free_irq(client->irq, tps6586x); - return 0; } static int __maybe_unused tps6586x_i2c_suspend(struct device *dev) diff --git a/drivers/mfd/tps65912-i2c.c b/drivers/mfd/tps65912-i2c.c index afb7f7d97dc0..7e2b19efe867 100644 --- a/drivers/mfd/tps65912-i2c.c +++ b/drivers/mfd/tps65912-i2c.c @@ -43,13 +43,11 @@ static int tps65912_i2c_probe(struct i2c_client *client, return tps65912_device_init(tps); } -static int tps65912_i2c_remove(struct i2c_client *client) +static void tps65912_i2c_remove(struct i2c_client *client) { struct tps65912 *tps = i2c_get_clientdata(client); tps65912_device_exit(tps); - - return 0; } static const struct i2c_device_id tps65912_i2c_id_table[] = { diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c index 2cb9326f3e61..2679c41232e6 100644 --- a/drivers/mfd/twl-core.c +++ b/drivers/mfd/twl-core.c @@ -727,7 +727,7 @@ static void clocks_init(struct device *dev) /*----------------------------------------------------------------------*/ -static int twl_remove(struct i2c_client *client) +static void twl_remove(struct i2c_client *client) { unsigned i, num_slaves; @@ -745,7 +745,6 @@ static int twl_remove(struct i2c_client *client) twl->client = NULL; } twl_priv->ready = false; - return 0; } static struct of_dev_auxdata twl_auxdata_lookup[] = { diff --git a/drivers/mfd/twl6040.c b/drivers/mfd/twl6040.c index b9c6d94b4002..f429b8f00db6 100644 --- a/drivers/mfd/twl6040.c +++ b/drivers/mfd/twl6040.c @@ -808,7 +808,7 @@ gpio_err: return ret; } -static int twl6040_remove(struct i2c_client *client) +static void twl6040_remove(struct i2c_client *client) { struct twl6040 *twl6040 = i2c_get_clientdata(client); @@ -820,8 +820,6 @@ static int twl6040_remove(struct i2c_client *client) mfd_remove_devices(&client->dev); regulator_bulk_disable(TWL6040_NUM_SUPPLIES, twl6040->supplies); - - return 0; } static const struct i2c_device_id twl6040_i2c_id[] = { diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c index 7b1d270722ba..7e88f5b0abe6 100644 --- a/drivers/mfd/wm8994-core.c +++ b/drivers/mfd/wm8994-core.c @@ -657,13 +657,11 @@ static int wm8994_i2c_probe(struct i2c_client *i2c, return wm8994_device_init(wm8994, i2c->irq); } -static int wm8994_i2c_remove(struct i2c_client *i2c) +static void wm8994_i2c_remove(struct i2c_client *i2c) { struct wm8994 *wm8994 = i2c_get_clientdata(i2c); wm8994_device_exit(wm8994); - - return 0; } static const struct i2c_device_id wm8994_i2c_id[] = { diff --git a/drivers/misc/ad525x_dpot-i2c.c b/drivers/misc/ad525x_dpot-i2c.c index 0ee0c6d808c3..28ffb4377d98 100644 --- a/drivers/misc/ad525x_dpot-i2c.c +++ b/drivers/misc/ad525x_dpot-i2c.c @@ -67,10 +67,9 @@ static int ad_dpot_i2c_probe(struct i2c_client *client, return ad_dpot_probe(&client->dev, &bdata, id->driver_data, id->name); } -static int ad_dpot_i2c_remove(struct i2c_client *client) +static void ad_dpot_i2c_remove(struct i2c_client *client) { ad_dpot_remove(&client->dev); - return 0; } static const struct i2c_device_id ad_dpot_id[] = { diff --git a/drivers/misc/apds9802als.c b/drivers/misc/apds9802als.c index 6fff44b952bd..a32431f4b370 100644 --- a/drivers/misc/apds9802als.c +++ b/drivers/misc/apds9802als.c @@ -242,7 +242,7 @@ als_error1: return res; } -static int apds9802als_remove(struct i2c_client *client) +static void apds9802als_remove(struct i2c_client *client) { struct als_data *data = i2c_get_clientdata(client); @@ -256,7 +256,6 @@ static int apds9802als_remove(struct i2c_client *client) pm_runtime_put_noidle(&client->dev); kfree(data); - return 0; } #ifdef CONFIG_PM diff --git a/drivers/misc/apds990x.c b/drivers/misc/apds990x.c index 45f5b997a0e1..e2100cc42ce8 100644 --- a/drivers/misc/apds990x.c +++ b/drivers/misc/apds990x.c @@ -1185,7 +1185,7 @@ fail1: return err; } -static int apds990x_remove(struct i2c_client *client) +static void apds990x_remove(struct i2c_client *client) { struct apds990x_chip *chip = i2c_get_clientdata(client); @@ -1205,7 +1205,6 @@ static int apds990x_remove(struct i2c_client *client) regulator_bulk_free(ARRAY_SIZE(chip->regs), chip->regs); kfree(chip); - return 0; } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/misc/bh1770glc.c b/drivers/misc/bh1770glc.c index 0581bb9cef2e..d0dfa674414c 100644 --- a/drivers/misc/bh1770glc.c +++ b/drivers/misc/bh1770glc.c @@ -1280,7 +1280,7 @@ fail0: return err; } -static int bh1770_remove(struct i2c_client *client) +static void bh1770_remove(struct i2c_client *client) { struct bh1770_chip *chip = i2c_get_clientdata(client); @@ -1299,8 +1299,6 @@ static int bh1770_remove(struct i2c_client *client) pm_runtime_disable(&client->dev); pm_runtime_set_suspended(&client->dev); - - return 0; } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/misc/ds1682.c b/drivers/misc/ds1682.c index 42f316c2d719..0698ddc5f4d5 100644 --- a/drivers/misc/ds1682.c +++ b/drivers/misc/ds1682.c @@ -228,11 +228,10 @@ static int ds1682_probe(struct i2c_client *client, return rc; } -static int ds1682_remove(struct i2c_client *client) +static void ds1682_remove(struct i2c_client *client) { sysfs_remove_bin_file(&client->dev.kobj, &ds1682_eeprom_attr); sysfs_remove_group(&client->dev.kobj, &ds1682_group); - return 0; } static const struct i2c_device_id ds1682_id[] = { diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c index 633e1cf08d6e..938c4f41b98c 100644 --- a/drivers/misc/eeprom/at24.c +++ b/drivers/misc/eeprom/at24.c @@ -791,7 +791,7 @@ static int at24_probe(struct i2c_client *client) return 0; } -static int at24_remove(struct i2c_client *client) +static void at24_remove(struct i2c_client *client) { struct at24_data *at24 = i2c_get_clientdata(client); @@ -801,8 +801,6 @@ static int at24_remove(struct i2c_client *client) regulator_disable(at24->vcc_reg); pm_runtime_set_suspended(&client->dev); } - - return 0; } static int __maybe_unused at24_suspend(struct device *dev) diff --git a/drivers/misc/eeprom/ee1004.c b/drivers/misc/eeprom/ee1004.c index 9fbfe784d710..c8c6deb7ed89 100644 --- a/drivers/misc/eeprom/ee1004.c +++ b/drivers/misc/eeprom/ee1004.c @@ -219,14 +219,12 @@ static int ee1004_probe(struct i2c_client *client) return err; } -static int ee1004_remove(struct i2c_client *client) +static void ee1004_remove(struct i2c_client *client) { /* Remove page select clients if this is the last device */ mutex_lock(&ee1004_bus_lock); ee1004_cleanup(EE1004_NUM_PAGES); mutex_unlock(&ee1004_bus_lock); - - return 0; } /*-------------------------------------------------------------------------*/ diff --git a/drivers/misc/eeprom/eeprom.c b/drivers/misc/eeprom/eeprom.c index 34fa385dfd4b..4a9445fea93d 100644 --- a/drivers/misc/eeprom/eeprom.c +++ b/drivers/misc/eeprom/eeprom.c @@ -183,11 +183,9 @@ static int eeprom_probe(struct i2c_client *client, return sysfs_create_bin_file(&client->dev.kobj, &eeprom_attr); } -static int eeprom_remove(struct i2c_client *client) +static void eeprom_remove(struct i2c_client *client) { sysfs_remove_bin_file(&client->dev.kobj, &eeprom_attr); - - return 0; } static const struct i2c_device_id eeprom_id[] = { diff --git a/drivers/misc/eeprom/idt_89hpesx.c b/drivers/misc/eeprom/idt_89hpesx.c index 9aec3338e37d..ada2a3af36d7 100644 --- a/drivers/misc/eeprom/idt_89hpesx.c +++ b/drivers/misc/eeprom/idt_89hpesx.c @@ -1405,7 +1405,7 @@ err_free_pdev: /* * idt_remove() - IDT 89HPESx driver remove() callback method */ -static int idt_remove(struct i2c_client *client) +static void idt_remove(struct i2c_client *client) { struct idt_89hpesx_dev *pdev = i2c_get_clientdata(client); @@ -1417,8 +1417,6 @@ static int idt_remove(struct i2c_client *client) /* Discard driver data structure */ idt_free_pdev(pdev); - - return 0; } /* diff --git a/drivers/misc/eeprom/max6875.c b/drivers/misc/eeprom/max6875.c index 9da81f6d4a1c..6bd4f4339af4 100644 --- a/drivers/misc/eeprom/max6875.c +++ b/drivers/misc/eeprom/max6875.c @@ -173,7 +173,7 @@ exit_kfree: return err; } -static int max6875_remove(struct i2c_client *client) +static void max6875_remove(struct i2c_client *client) { struct max6875_data *data = i2c_get_clientdata(client); @@ -181,8 +181,6 @@ static int max6875_remove(struct i2c_client *client) sysfs_remove_bin_file(&client->dev.kobj, &user_eeprom_attr); kfree(data); - - return 0; } static const struct i2c_device_id max6875_id[] = { diff --git a/drivers/misc/hmc6352.c b/drivers/misc/hmc6352.c index 572a2ff10f00..42b9adef28a3 100644 --- a/drivers/misc/hmc6352.c +++ b/drivers/misc/hmc6352.c @@ -116,10 +116,9 @@ static int hmc6352_probe(struct i2c_client *client, return 0; } -static int hmc6352_remove(struct i2c_client *client) +static void hmc6352_remove(struct i2c_client *client) { sysfs_remove_group(&client->dev.kobj, &m_compass_gr); - return 0; } static const struct i2c_device_id hmc6352_id[] = { diff --git a/drivers/misc/ics932s401.c b/drivers/misc/ics932s401.c index 0f9ea75b0b18..2c4bb6d6e1a0 100644 --- a/drivers/misc/ics932s401.c +++ b/drivers/misc/ics932s401.c @@ -93,7 +93,7 @@ static int ics932s401_probe(struct i2c_client *client, const struct i2c_device_id *id); static int ics932s401_detect(struct i2c_client *client, struct i2c_board_info *info); -static int ics932s401_remove(struct i2c_client *client); +static void ics932s401_remove(struct i2c_client *client); static const struct i2c_device_id ics932s401_id[] = { { "ics932s401", 0 }, @@ -460,13 +460,12 @@ exit: return err; } -static int ics932s401_remove(struct i2c_client *client) +static void ics932s401_remove(struct i2c_client *client) { struct ics932s401_data *data = i2c_get_clientdata(client); sysfs_remove_group(&client->dev.kobj, &data->attrs); kfree(data); - return 0; } module_i2c_driver(ics932s401_driver); diff --git a/drivers/misc/isl29003.c b/drivers/misc/isl29003.c index 703d20e83ebd..8ab61be79c76 100644 --- a/drivers/misc/isl29003.c +++ b/drivers/misc/isl29003.c @@ -410,12 +410,11 @@ exit_kfree: return err; } -static int isl29003_remove(struct i2c_client *client) +static void isl29003_remove(struct i2c_client *client) { sysfs_remove_group(&client->dev.kobj, &isl29003_attr_group); isl29003_set_power_state(client, 0); kfree(i2c_get_clientdata(client)); - return 0; } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/misc/isl29020.c b/drivers/misc/isl29020.c index fc5ff2805b94..c6f2a94f501a 100644 --- a/drivers/misc/isl29020.c +++ b/drivers/misc/isl29020.c @@ -171,11 +171,10 @@ static int isl29020_probe(struct i2c_client *client, return res; } -static int isl29020_remove(struct i2c_client *client) +static void isl29020_remove(struct i2c_client *client) { pm_runtime_disable(&client->dev); sysfs_remove_group(&client->dev.kobj, &m_als_gr); - return 0; } static const struct i2c_device_id isl29020_id[] = { diff --git a/drivers/misc/lis3lv02d/lis3lv02d_i2c.c b/drivers/misc/lis3lv02d/lis3lv02d_i2c.c index 52555d2e824b..d7daa01fe7ca 100644 --- a/drivers/misc/lis3lv02d/lis3lv02d_i2c.c +++ b/drivers/misc/lis3lv02d/lis3lv02d_i2c.c @@ -177,7 +177,7 @@ fail: return ret; } -static int lis3lv02d_i2c_remove(struct i2c_client *client) +static void lis3lv02d_i2c_remove(struct i2c_client *client) { struct lis3lv02d *lis3 = i2c_get_clientdata(client); struct lis3lv02d_platform_data *pdata = client->dev.platform_data; @@ -190,7 +190,6 @@ static int lis3lv02d_i2c_remove(struct i2c_client *client) regulator_bulk_free(ARRAY_SIZE(lis3->regulators), lis3_dev.regulators); - return 0; } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/misc/tsl2550.c b/drivers/misc/tsl2550.c index 6d71865c8042..1652fb9b3856 100644 --- a/drivers/misc/tsl2550.c +++ b/drivers/misc/tsl2550.c @@ -389,7 +389,7 @@ exit: return err; } -static int tsl2550_remove(struct i2c_client *client) +static void tsl2550_remove(struct i2c_client *client) { sysfs_remove_group(&client->dev.kobj, &tsl2550_attr_group); @@ -397,8 +397,6 @@ static int tsl2550_remove(struct i2c_client *client) tsl2550_set_power_state(client, 0); kfree(i2c_get_clientdata(client)); - - return 0; } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/mtd/maps/pismo.c b/drivers/mtd/maps/pismo.c index 946ba80f9758..5fcefcd0baca 100644 --- a/drivers/mtd/maps/pismo.c +++ b/drivers/mtd/maps/pismo.c @@ -195,7 +195,7 @@ static void pismo_add_one(struct pismo_data *pismo, int i, } } -static int pismo_remove(struct i2c_client *client) +static void pismo_remove(struct i2c_client *client) { struct pismo_data *pismo = i2c_get_clientdata(client); int i; @@ -204,8 +204,6 @@ static int pismo_remove(struct i2c_client *client) platform_device_unregister(pismo->dev[i]); kfree(pismo); - - return 0; } static int pismo_probe(struct i2c_client *client, diff --git a/drivers/net/dsa/lan9303_i2c.c b/drivers/net/dsa/lan9303_i2c.c index 79be5fc044bd..7d746cd9ca1b 100644 --- a/drivers/net/dsa/lan9303_i2c.c +++ b/drivers/net/dsa/lan9303_i2c.c @@ -65,16 +65,14 @@ static int lan9303_i2c_probe(struct i2c_client *client, return 0; } -static int lan9303_i2c_remove(struct i2c_client *client) +static void lan9303_i2c_remove(struct i2c_client *client) { struct lan9303_i2c *sw_dev = i2c_get_clientdata(client); if (!sw_dev) - return 0; + return; lan9303_remove(&sw_dev->chip); - - return 0; } static void lan9303_i2c_shutdown(struct i2c_client *client) diff --git a/drivers/net/dsa/microchip/ksz9477_i2c.c b/drivers/net/dsa/microchip/ksz9477_i2c.c index e111756f6473..3763930dc6fc 100644 --- a/drivers/net/dsa/microchip/ksz9477_i2c.c +++ b/drivers/net/dsa/microchip/ksz9477_i2c.c @@ -52,14 +52,12 @@ static int ksz9477_i2c_probe(struct i2c_client *i2c, return 0; } -static int ksz9477_i2c_remove(struct i2c_client *i2c) +static void ksz9477_i2c_remove(struct i2c_client *i2c) { struct ksz_device *dev = i2c_get_clientdata(i2c); if (dev) ksz_switch_remove(dev); - - return 0; } static void ksz9477_i2c_shutdown(struct i2c_client *i2c) diff --git a/drivers/net/dsa/xrs700x/xrs700x_i2c.c b/drivers/net/dsa/xrs700x/xrs700x_i2c.c index cd533b9e17ec..54065cdedd35 100644 --- a/drivers/net/dsa/xrs700x/xrs700x_i2c.c +++ b/drivers/net/dsa/xrs700x/xrs700x_i2c.c @@ -105,16 +105,14 @@ static int xrs700x_i2c_probe(struct i2c_client *i2c, return 0; } -static int xrs700x_i2c_remove(struct i2c_client *i2c) +static void xrs700x_i2c_remove(struct i2c_client *i2c) { struct xrs700x *priv = i2c_get_clientdata(i2c); if (!priv) - return 0; + return; xrs700x_switch_remove(priv); - - return 0; } static void xrs700x_i2c_shutdown(struct i2c_client *i2c) diff --git a/drivers/net/ethernet/mellanox/mlxsw/i2c.c b/drivers/net/ethernet/mellanox/mlxsw/i2c.c index 716c73e4fd59..f5f5f8dc3d19 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/i2c.c +++ b/drivers/net/ethernet/mellanox/mlxsw/i2c.c @@ -740,15 +740,13 @@ errout: return err; } -static int mlxsw_i2c_remove(struct i2c_client *client) +static void mlxsw_i2c_remove(struct i2c_client *client) { struct mlxsw_i2c *mlxsw_i2c = i2c_get_clientdata(client); mlxsw_core_bus_device_unregister(mlxsw_i2c->core, false); mlxsw_i2c_irq_fini(mlxsw_i2c); mutex_destroy(&mlxsw_i2c->cmd.lock); - - return 0; } int mlxsw_i2c_driver_register(struct i2c_driver *i2c_driver) diff --git a/drivers/net/mctp/mctp-i2c.c b/drivers/net/mctp/mctp-i2c.c index 53846c6b56ca..0762c735dd8a 100644 --- a/drivers/net/mctp/mctp-i2c.c +++ b/drivers/net/mctp/mctp-i2c.c @@ -986,7 +986,7 @@ out: return rc; } -static int mctp_i2c_remove(struct i2c_client *client) +static void mctp_i2c_remove(struct i2c_client *client) { struct mctp_i2c_client *mcli = i2c_get_clientdata(client); struct mctp_i2c_dev *midev = NULL, *tmp = NULL; @@ -999,8 +999,6 @@ static int mctp_i2c_remove(struct i2c_client *client) mctp_i2c_free_client(mcli); mutex_unlock(&driver_clients_lock); - /* Callers ignore return code */ - return 0; } /* We look for a 'mctp-controller' property on I2C busses as they are diff --git a/drivers/nfc/fdp/i2c.c b/drivers/nfc/fdp/i2c.c index 28a9e1eb9bcf..2d53e0f88d2f 100644 --- a/drivers/nfc/fdp/i2c.c +++ b/drivers/nfc/fdp/i2c.c @@ -336,14 +336,12 @@ static int fdp_nci_i2c_probe(struct i2c_client *client) return 0; } -static int fdp_nci_i2c_remove(struct i2c_client *client) +static void fdp_nci_i2c_remove(struct i2c_client *client) { struct fdp_i2c_phy *phy = i2c_get_clientdata(client); fdp_nci_remove(phy->ndev); fdp_nci_i2c_disable(phy); - - return 0; } static const struct acpi_device_id fdp_nci_i2c_acpi_match[] = { diff --git a/drivers/nfc/microread/i2c.c b/drivers/nfc/microread/i2c.c index 067295124eb9..5eaa18f81355 100644 --- a/drivers/nfc/microread/i2c.c +++ b/drivers/nfc/microread/i2c.c @@ -268,15 +268,13 @@ err_irq: return r; } -static int microread_i2c_remove(struct i2c_client *client) +static void microread_i2c_remove(struct i2c_client *client) { struct microread_i2c_phy *phy = i2c_get_clientdata(client); microread_remove(phy->hdev); free_irq(client->irq, phy); - - return 0; } static const struct i2c_device_id microread_i2c_id[] = { diff --git a/drivers/nfc/nfcmrvl/i2c.c b/drivers/nfc/nfcmrvl/i2c.c index 01329b91d59d..acef0cfd76af 100644 --- a/drivers/nfc/nfcmrvl/i2c.c +++ b/drivers/nfc/nfcmrvl/i2c.c @@ -231,13 +231,11 @@ static int nfcmrvl_i2c_probe(struct i2c_client *client, return 0; } -static int nfcmrvl_i2c_remove(struct i2c_client *client) +static void nfcmrvl_i2c_remove(struct i2c_client *client) { struct nfcmrvl_i2c_drv_data *drv_data = i2c_get_clientdata(client); nfcmrvl_nci_unregister_dev(drv_data->priv); - - return 0; } diff --git a/drivers/nfc/nxp-nci/i2c.c b/drivers/nfc/nxp-nci/i2c.c index ae2ba08d8ac3..ec6446511984 100644 --- a/drivers/nfc/nxp-nci/i2c.c +++ b/drivers/nfc/nxp-nci/i2c.c @@ -314,14 +314,12 @@ static int nxp_nci_i2c_probe(struct i2c_client *client, return r; } -static int nxp_nci_i2c_remove(struct i2c_client *client) +static void nxp_nci_i2c_remove(struct i2c_client *client) { struct nxp_nci_i2c_phy *phy = i2c_get_clientdata(client); nxp_nci_remove(phy->ndev); free_irq(client->irq, phy); - - return 0; } static const struct i2c_device_id nxp_nci_i2c_id_table[] = { diff --git a/drivers/nfc/pn533/i2c.c b/drivers/nfc/pn533/i2c.c index 673eb5e9b887..ddf3db286bad 100644 --- a/drivers/nfc/pn533/i2c.c +++ b/drivers/nfc/pn533/i2c.c @@ -227,7 +227,7 @@ nfc_alloc_err: return r; } -static int pn533_i2c_remove(struct i2c_client *client) +static void pn533_i2c_remove(struct i2c_client *client) { struct pn533_i2c_phy *phy = i2c_get_clientdata(client); @@ -235,8 +235,6 @@ static int pn533_i2c_remove(struct i2c_client *client) pn53x_unregister_nfc(phy->priv); pn53x_common_clean(phy->priv); - - return 0; } static const struct of_device_id of_pn533_i2c_match[] __maybe_unused = { diff --git a/drivers/nfc/pn544/i2c.c b/drivers/nfc/pn544/i2c.c index 62a0f1a010cb..9e754abcfa2a 100644 --- a/drivers/nfc/pn544/i2c.c +++ b/drivers/nfc/pn544/i2c.c @@ -928,7 +928,7 @@ static int pn544_hci_i2c_probe(struct i2c_client *client, return 0; } -static int pn544_hci_i2c_remove(struct i2c_client *client) +static void pn544_hci_i2c_remove(struct i2c_client *client) { struct pn544_i2c_phy *phy = i2c_get_clientdata(client); @@ -940,8 +940,6 @@ static int pn544_hci_i2c_remove(struct i2c_client *client) if (phy->powered) pn544_hci_i2c_disable(phy); - - return 0; } static const struct of_device_id of_pn544_i2c_match[] __maybe_unused = { diff --git a/drivers/nfc/s3fwrn5/i2c.c b/drivers/nfc/s3fwrn5/i2c.c index 4d1cf1bb55b0..f824dc7099ce 100644 --- a/drivers/nfc/s3fwrn5/i2c.c +++ b/drivers/nfc/s3fwrn5/i2c.c @@ -246,14 +246,12 @@ disable_clk: return ret; } -static int s3fwrn5_i2c_remove(struct i2c_client *client) +static void s3fwrn5_i2c_remove(struct i2c_client *client) { struct s3fwrn5_i2c_phy *phy = i2c_get_clientdata(client); s3fwrn5_remove(phy->common.ndev); clk_disable_unprepare(phy->clk); - - return 0; } static const struct i2c_device_id s3fwrn5_i2c_id_table[] = { diff --git a/drivers/nfc/st-nci/i2c.c b/drivers/nfc/st-nci/i2c.c index cbd968f013c7..89fa24d71bef 100644 --- a/drivers/nfc/st-nci/i2c.c +++ b/drivers/nfc/st-nci/i2c.c @@ -250,13 +250,11 @@ static int st_nci_i2c_probe(struct i2c_client *client, return r; } -static int st_nci_i2c_remove(struct i2c_client *client) +static void st_nci_i2c_remove(struct i2c_client *client) { struct st_nci_i2c_phy *phy = i2c_get_clientdata(client); ndlc_remove(phy->ndlc); - - return 0; } static const struct i2c_device_id st_nci_i2c_id_table[] = { diff --git a/drivers/nfc/st21nfca/i2c.c b/drivers/nfc/st21nfca/i2c.c index 42dc0e5eb161..76b55986bcf8 100644 --- a/drivers/nfc/st21nfca/i2c.c +++ b/drivers/nfc/st21nfca/i2c.c @@ -562,7 +562,7 @@ out_free: return r; } -static int st21nfca_hci_i2c_remove(struct i2c_client *client) +static void st21nfca_hci_i2c_remove(struct i2c_client *client) { struct st21nfca_i2c_phy *phy = i2c_get_clientdata(client); @@ -571,8 +571,6 @@ static int st21nfca_hci_i2c_remove(struct i2c_client *client) if (phy->powered) st21nfca_hci_i2c_disable(phy); kfree_skb(phy->pending_skb); - - return 0; } static const struct i2c_device_id st21nfca_hci_i2c_id_table[] = { diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c index eafa8ffefbd0..f9614552db82 100644 --- a/drivers/of/unittest.c +++ b/drivers/of/unittest.c @@ -2524,13 +2524,12 @@ static int unittest_i2c_dev_probe(struct i2c_client *client, return 0; }; -static int unittest_i2c_dev_remove(struct i2c_client *client) +static void unittest_i2c_dev_remove(struct i2c_client *client) { struct device *dev = &client->dev; struct device_node *np = client->dev.of_node; dev_dbg(dev, "%s for node @%pOF\n", __func__, np); - return 0; } static const struct i2c_device_id unittest_i2c_dev_id[] = { @@ -2601,7 +2600,7 @@ static int unittest_i2c_mux_probe(struct i2c_client *client, return 0; }; -static int unittest_i2c_mux_remove(struct i2c_client *client) +static void unittest_i2c_mux_remove(struct i2c_client *client) { struct device *dev = &client->dev; struct device_node *np = client->dev.of_node; @@ -2609,7 +2608,6 @@ static int unittest_i2c_mux_remove(struct i2c_client *client) dev_dbg(dev, "%s for node @%pOF\n", __func__, np); i2c_mux_del_adapters(muxc); - return 0; } static const struct i2c_device_id unittest_i2c_mux_id[] = { diff --git a/drivers/platform/chrome/cros_ec_i2c.c b/drivers/platform/chrome/cros_ec_i2c.c index 9f5b95763173..b6823c654c3f 100644 --- a/drivers/platform/chrome/cros_ec_i2c.c +++ b/drivers/platform/chrome/cros_ec_i2c.c @@ -317,13 +317,11 @@ static int cros_ec_i2c_probe(struct i2c_client *client, return 0; } -static int cros_ec_i2c_remove(struct i2c_client *client) +static void cros_ec_i2c_remove(struct i2c_client *client) { struct cros_ec_device *ec_dev = i2c_get_clientdata(client); cros_ec_unregister(ec_dev); - - return 0; } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/platform/surface/surface3_power.c b/drivers/platform/surface/surface3_power.c index 444ec81ba02d..3b20dddeb815 100644 --- a/drivers/platform/surface/surface3_power.c +++ b/drivers/platform/surface/surface3_power.c @@ -554,7 +554,7 @@ out_err: return error; } -static int mshw0011_remove(struct i2c_client *client) +static void mshw0011_remove(struct i2c_client *client) { struct mshw0011_data *cdata = i2c_get_clientdata(client); @@ -564,8 +564,6 @@ static int mshw0011_remove(struct i2c_client *client) kthread_stop(cdata->poll_task); i2c_unregister_device(cdata->bat0); - - return 0; } static const struct acpi_device_id mshw0011_acpi_match[] = { diff --git a/drivers/platform/x86/asus-tf103c-dock.c b/drivers/platform/x86/asus-tf103c-dock.c index 6fd0c9fea82d..62310e06282b 100644 --- a/drivers/platform/x86/asus-tf103c-dock.c +++ b/drivers/platform/x86/asus-tf103c-dock.c @@ -878,14 +878,12 @@ static int tf103c_dock_probe(struct i2c_client *client) return 0; } -static int tf103c_dock_remove(struct i2c_client *client) +static void tf103c_dock_remove(struct i2c_client *client) { struct tf103c_dock_data *dock = i2c_get_clientdata(client); tf103c_dock_stop_hpd(dock); tf103c_dock_disable(dock); - - return 0; } static int __maybe_unused tf103c_dock_suspend(struct device *dev) diff --git a/drivers/platform/x86/intel/int3472/tps68470.c b/drivers/platform/x86/intel/int3472/tps68470.c index 49fc379fe680..f83e9c393f31 100644 --- a/drivers/platform/x86/intel/int3472/tps68470.c +++ b/drivers/platform/x86/intel/int3472/tps68470.c @@ -227,7 +227,7 @@ static int skl_int3472_tps68470_probe(struct i2c_client *client) return ret; } -static int skl_int3472_tps68470_remove(struct i2c_client *client) +static void skl_int3472_tps68470_remove(struct i2c_client *client) { const struct int3472_tps68470_board_data *board_data; int i; @@ -237,8 +237,6 @@ static int skl_int3472_tps68470_remove(struct i2c_client *client) for (i = 0; i < board_data->n_gpiod_lookups; i++) gpiod_remove_lookup_table(board_data->tps68470_gpio_lookup_tables[i]); } - - return 0; } static const struct acpi_device_id int3472_device_id[] = { diff --git a/drivers/power/supply/bq2415x_charger.c b/drivers/power/supply/bq2415x_charger.c index 5724001e66b9..6b99e1c675b8 100644 --- a/drivers/power/supply/bq2415x_charger.c +++ b/drivers/power/supply/bq2415x_charger.c @@ -1696,7 +1696,7 @@ error_1: /* main bq2415x remove function */ -static int bq2415x_remove(struct i2c_client *client) +static void bq2415x_remove(struct i2c_client *client) { struct bq2415x_device *bq = i2c_get_clientdata(client); @@ -1715,8 +1715,6 @@ static int bq2415x_remove(struct i2c_client *client) dev_info(bq->dev, "driver unregistered\n"); kfree(bq->name); - - return 0; } static const struct i2c_device_id bq2415x_i2c_id_table[] = { diff --git a/drivers/power/supply/bq24190_charger.c b/drivers/power/supply/bq24190_charger.c index 27f5c7648617..2274679c5ddd 100644 --- a/drivers/power/supply/bq24190_charger.c +++ b/drivers/power/supply/bq24190_charger.c @@ -1901,7 +1901,7 @@ out_pmrt: return ret; } -static int bq24190_remove(struct i2c_client *client) +static void bq24190_remove(struct i2c_client *client) { struct bq24190_dev_info *bdi = i2c_get_clientdata(client); int error; @@ -1918,8 +1918,6 @@ static int bq24190_remove(struct i2c_client *client) pm_runtime_put_sync(bdi->dev); pm_runtime_dont_use_autosuspend(bdi->dev); pm_runtime_disable(bdi->dev); - - return 0; } static void bq24190_shutdown(struct i2c_client *client) diff --git a/drivers/power/supply/bq24257_charger.c b/drivers/power/supply/bq24257_charger.c index ecba9ab86faf..a309bbedfe52 100644 --- a/drivers/power/supply/bq24257_charger.c +++ b/drivers/power/supply/bq24257_charger.c @@ -1077,7 +1077,7 @@ static int bq24257_probe(struct i2c_client *client, return 0; } -static int bq24257_remove(struct i2c_client *client) +static void bq24257_remove(struct i2c_client *client) { struct bq24257_device *bq = i2c_get_clientdata(client); @@ -1085,8 +1085,6 @@ static int bq24257_remove(struct i2c_client *client) cancel_delayed_work_sync(&bq->iilimit_setup_work); bq24257_field_write(bq, F_RESET, 1); /* reset to defaults */ - - return 0; } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/power/supply/bq25890_charger.c b/drivers/power/supply/bq25890_charger.c index 852a6fec4339..06ea7399d151 100644 --- a/drivers/power/supply/bq25890_charger.c +++ b/drivers/power/supply/bq25890_charger.c @@ -1258,7 +1258,7 @@ err_unregister_usb_notifier: return ret; } -static int bq25890_remove(struct i2c_client *client) +static void bq25890_remove(struct i2c_client *client) { struct bq25890_device *bq = i2c_get_clientdata(client); @@ -1269,8 +1269,6 @@ static int bq25890_remove(struct i2c_client *client) /* reset all registers to default values */ bq25890_chip_reset(bq); } - - return 0; } static void bq25890_shutdown(struct i2c_client *client) diff --git a/drivers/power/supply/bq27xxx_battery_i2c.c b/drivers/power/supply/bq27xxx_battery_i2c.c index cf38cbfe13e9..94b00bb89c17 100644 --- a/drivers/power/supply/bq27xxx_battery_i2c.c +++ b/drivers/power/supply/bq27xxx_battery_i2c.c @@ -205,7 +205,7 @@ err_failed: return ret; } -static int bq27xxx_battery_i2c_remove(struct i2c_client *client) +static void bq27xxx_battery_i2c_remove(struct i2c_client *client) { struct bq27xxx_device_info *di = i2c_get_clientdata(client); @@ -214,8 +214,6 @@ static int bq27xxx_battery_i2c_remove(struct i2c_client *client) mutex_lock(&battery_mutex); idr_remove(&battery_id, di->id); mutex_unlock(&battery_mutex); - - return 0; } static const struct i2c_device_id bq27xxx_i2c_id_table[] = { diff --git a/drivers/power/supply/cw2015_battery.c b/drivers/power/supply/cw2015_battery.c index 728e2a6cc9c3..81e17ad80163 100644 --- a/drivers/power/supply/cw2015_battery.c +++ b/drivers/power/supply/cw2015_battery.c @@ -725,13 +725,12 @@ static int __maybe_unused cw_bat_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(cw_bat_pm_ops, cw_bat_suspend, cw_bat_resume); -static int cw_bat_remove(struct i2c_client *client) +static void cw_bat_remove(struct i2c_client *client) { struct cw_battery *cw_bat = i2c_get_clientdata(client); cancel_delayed_work_sync(&cw_bat->battery_delay_work); power_supply_put_battery_info(cw_bat->rk_bat, cw_bat->battery); - return 0; } static const struct i2c_device_id cw_bat_id_table[] = { diff --git a/drivers/power/supply/ds2782_battery.c b/drivers/power/supply/ds2782_battery.c index 9ae273fde7a2..d78cd05402f6 100644 --- a/drivers/power/supply/ds2782_battery.c +++ b/drivers/power/supply/ds2782_battery.c @@ -312,7 +312,7 @@ static void ds278x_power_supply_init(struct power_supply_desc *battery) battery->external_power_changed = NULL; } -static int ds278x_battery_remove(struct i2c_client *client) +static void ds278x_battery_remove(struct i2c_client *client) { struct ds278x_info *info = i2c_get_clientdata(client); int id = info->id; @@ -325,8 +325,6 @@ static int ds278x_battery_remove(struct i2c_client *client) mutex_lock(&battery_lock); idr_remove(&battery_id, id); mutex_unlock(&battery_lock); - - return 0; } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/power/supply/lp8727_charger.c b/drivers/power/supply/lp8727_charger.c index 9ee54e397754..384a374b52c1 100644 --- a/drivers/power/supply/lp8727_charger.c +++ b/drivers/power/supply/lp8727_charger.c @@ -590,13 +590,12 @@ static int lp8727_probe(struct i2c_client *cl, const struct i2c_device_id *id) return 0; } -static int lp8727_remove(struct i2c_client *cl) +static void lp8727_remove(struct i2c_client *cl) { struct lp8727_chg *pchg = i2c_get_clientdata(cl); lp8727_release_irq(pchg); lp8727_unregister_psy(pchg); - return 0; } static const struct of_device_id lp8727_dt_ids[] = { diff --git a/drivers/power/supply/rt5033_battery.c b/drivers/power/supply/rt5033_battery.c index 7a23c70f4879..736dec608ff6 100644 --- a/drivers/power/supply/rt5033_battery.c +++ b/drivers/power/supply/rt5033_battery.c @@ -149,13 +149,11 @@ static int rt5033_battery_probe(struct i2c_client *client, return 0; } -static int rt5033_battery_remove(struct i2c_client *client) +static void rt5033_battery_remove(struct i2c_client *client) { struct rt5033_battery *battery = i2c_get_clientdata(client); power_supply_unregister(battery->psy); - - return 0; } static const struct i2c_device_id rt5033_battery_id[] = { diff --git a/drivers/power/supply/rt9455_charger.c b/drivers/power/supply/rt9455_charger.c index 74ee54320e6a..72962286d704 100644 --- a/drivers/power/supply/rt9455_charger.c +++ b/drivers/power/supply/rt9455_charger.c @@ -1698,7 +1698,7 @@ put_usb_notifier: return ret; } -static int rt9455_remove(struct i2c_client *client) +static void rt9455_remove(struct i2c_client *client) { int ret; struct rt9455_info *info = i2c_get_clientdata(client); @@ -1715,8 +1715,6 @@ static int rt9455_remove(struct i2c_client *client) cancel_delayed_work_sync(&info->pwr_rdy_work); cancel_delayed_work_sync(&info->max_charging_time_work); cancel_delayed_work_sync(&info->batt_presence_work); - - return 0; } static const struct i2c_device_id rt9455_i2c_id_table[] = { diff --git a/drivers/power/supply/smb347-charger.c b/drivers/power/supply/smb347-charger.c index 1511f71f937c..996a82f8a2a1 100644 --- a/drivers/power/supply/smb347-charger.c +++ b/drivers/power/supply/smb347-charger.c @@ -1595,14 +1595,12 @@ static int smb347_probe(struct i2c_client *client, return 0; } -static int smb347_remove(struct i2c_client *client) +static void smb347_remove(struct i2c_client *client) { struct smb347_charger *smb = i2c_get_clientdata(client); smb347_usb_vbus_regulator_disable(smb->usb_rdev); smb347_irq_disable(smb); - - return 0; } static void smb347_shutdown(struct i2c_client *client) diff --git a/drivers/power/supply/z2_battery.c b/drivers/power/supply/z2_battery.c index 7ed4e4bb26ec..1897c2984860 100644 --- a/drivers/power/supply/z2_battery.c +++ b/drivers/power/supply/z2_battery.c @@ -251,7 +251,7 @@ err: return ret; } -static int z2_batt_remove(struct i2c_client *client) +static void z2_batt_remove(struct i2c_client *client) { struct z2_charger *charger = i2c_get_clientdata(client); @@ -263,8 +263,6 @@ static int z2_batt_remove(struct i2c_client *client) free_irq(gpiod_to_irq(charger->charge_gpiod), charger); kfree(charger); - - return 0; } #ifdef CONFIG_PM diff --git a/drivers/pwm/pwm-pca9685.c b/drivers/pwm/pwm-pca9685.c index c91fa7f9e33d..f230c10d28bb 100644 --- a/drivers/pwm/pwm-pca9685.c +++ b/drivers/pwm/pwm-pca9685.c @@ -598,7 +598,7 @@ static int pca9685_pwm_probe(struct i2c_client *client, return 0; } -static int pca9685_pwm_remove(struct i2c_client *client) +static void pca9685_pwm_remove(struct i2c_client *client) { struct pca9685 *pca = i2c_get_clientdata(client); @@ -610,8 +610,6 @@ static int pca9685_pwm_remove(struct i2c_client *client) } pm_runtime_disable(&client->dev); - - return 0; } static int __maybe_unused pca9685_pwm_runtime_suspend(struct device *dev) diff --git a/drivers/regulator/da9121-regulator.c b/drivers/regulator/da9121-regulator.c index 76e0e23bf598..e4c753b83088 100644 --- a/drivers/regulator/da9121-regulator.c +++ b/drivers/regulator/da9121-regulator.c @@ -1164,7 +1164,7 @@ error: return ret; } -static int da9121_i2c_remove(struct i2c_client *i2c) +static void da9121_i2c_remove(struct i2c_client *i2c) { struct da9121 *chip = i2c_get_clientdata(i2c); const int mask_all[4] = { 0xFF, 0xFF, 0xFF, 0xFF }; @@ -1176,7 +1176,6 @@ static int da9121_i2c_remove(struct i2c_client *i2c) ret = regmap_bulk_write(chip->regmap, DA9121_REG_SYS_MASK_0, mask_all, 4); if (ret != 0) dev_err(chip->dev, "Failed to set IRQ masks: %d\n", ret); - return 0; } static const struct i2c_device_id da9121_i2c_id[] = { diff --git a/drivers/regulator/lp8755.c b/drivers/regulator/lp8755.c index 321bec6e3f8d..31b43426d47c 100644 --- a/drivers/regulator/lp8755.c +++ b/drivers/regulator/lp8755.c @@ -422,15 +422,13 @@ err: return ret; } -static int lp8755_remove(struct i2c_client *client) +static void lp8755_remove(struct i2c_client *client) { int icnt; struct lp8755_chip *pchip = i2c_get_clientdata(client); for (icnt = 0; icnt < LP8755_BUCK_MAX; icnt++) regmap_write(pchip->regmap, icnt, 0x00); - - return 0; } static const struct i2c_device_id lp8755_id[] = { diff --git a/drivers/regulator/rpi-panel-attiny-regulator.c b/drivers/regulator/rpi-panel-attiny-regulator.c index 105f694a67e6..308f7972941b 100644 --- a/drivers/regulator/rpi-panel-attiny-regulator.c +++ b/drivers/regulator/rpi-panel-attiny-regulator.c @@ -381,13 +381,11 @@ error: return ret; } -static int attiny_i2c_remove(struct i2c_client *client) +static void attiny_i2c_remove(struct i2c_client *client) { struct attiny_lcd *state = i2c_get_clientdata(client); mutex_destroy(&state->lock); - - return 0; } static const struct of_device_id attiny_dt_ids[] = { diff --git a/drivers/rtc/rtc-bq32k.c b/drivers/rtc/rtc-bq32k.c index e0bbb11d912e..6d6a55efb9cc 100644 --- a/drivers/rtc/rtc-bq32k.c +++ b/drivers/rtc/rtc-bq32k.c @@ -297,11 +297,9 @@ static int bq32k_probe(struct i2c_client *client) return 0; } -static int bq32k_remove(struct i2c_client *client) +static void bq32k_remove(struct i2c_client *client) { bq32k_sysfs_unregister(&client->dev); - - return 0; } static const struct i2c_device_id bq32k_id[] = { diff --git a/drivers/rtc/rtc-ds1374.c b/drivers/rtc/rtc-ds1374.c index b19de5100b1a..7f089f066163 100644 --- a/drivers/rtc/rtc-ds1374.c +++ b/drivers/rtc/rtc-ds1374.c @@ -530,7 +530,7 @@ static int ds1374_probe(struct i2c_client *client) return 0; } -static int ds1374_remove(struct i2c_client *client) +static void ds1374_remove(struct i2c_client *client) { struct ds1374 *ds1374 = i2c_get_clientdata(client); @@ -542,8 +542,6 @@ static int ds1374_remove(struct i2c_client *client) devm_free_irq(&client->dev, client->irq, client); cancel_work_sync(&ds1374->work); } - - return 0; } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/rtc/rtc-isl12026.c b/drivers/rtc/rtc-isl12026.c index 1fc6627d854d..1bfca39079d4 100644 --- a/drivers/rtc/rtc-isl12026.c +++ b/drivers/rtc/rtc-isl12026.c @@ -472,12 +472,11 @@ static int isl12026_probe_new(struct i2c_client *client) return devm_rtc_register_device(priv->rtc); } -static int isl12026_remove(struct i2c_client *client) +static void isl12026_remove(struct i2c_client *client) { struct isl12026 *priv = i2c_get_clientdata(client); i2c_unregister_device(priv->nvm_client); - return 0; } static const struct of_device_id isl12026_dt_match[] = { diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c index d868458cd40e..e0b4d3794320 100644 --- a/drivers/rtc/rtc-m41t80.c +++ b/drivers/rtc/rtc-m41t80.c @@ -989,7 +989,7 @@ static int m41t80_probe(struct i2c_client *client, return 0; } -static int m41t80_remove(struct i2c_client *client) +static void m41t80_remove(struct i2c_client *client) { #ifdef CONFIG_RTC_DRV_M41T80_WDT struct m41t80_data *clientdata = i2c_get_clientdata(client); @@ -999,8 +999,6 @@ static int m41t80_remove(struct i2c_client *client) unregister_reboot_notifier(&wdt_notifier); } #endif - - return 0; } static struct i2c_driver m41t80_driver = { diff --git a/drivers/rtc/rtc-rs5c372.c b/drivers/rtc/rtc-rs5c372.c index cb15983383f5..9562c477e1c9 100644 --- a/drivers/rtc/rtc-rs5c372.c +++ b/drivers/rtc/rtc-rs5c372.c @@ -910,10 +910,9 @@ exit: return err; } -static int rs5c372_remove(struct i2c_client *client) +static void rs5c372_remove(struct i2c_client *client) { rs5c_sysfs_unregister(&client->dev); - return 0; } static struct i2c_driver rs5c372_driver = { diff --git a/drivers/rtc/rtc-x1205.c b/drivers/rtc/rtc-x1205.c index ba0d22a5b421..f587afa84357 100644 --- a/drivers/rtc/rtc-x1205.c +++ b/drivers/rtc/rtc-x1205.c @@ -657,10 +657,9 @@ static int x1205_probe(struct i2c_client *client) return 0; } -static int x1205_remove(struct i2c_client *client) +static void x1205_remove(struct i2c_client *client) { x1205_sysfs_unregister(&client->dev); - return 0; } static const struct i2c_device_id x1205_id[] = { diff --git a/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c b/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c index cbc8b1d91995..783f1b88ebf2 100644 --- a/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c +++ b/drivers/staging/media/atomisp/i2c/atomisp-gc0310.c @@ -1194,7 +1194,7 @@ static const struct v4l2_subdev_ops gc0310_ops = { .sensor = &gc0310_sensor_ops, }; -static int gc0310_remove(struct i2c_client *client) +static void gc0310_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct gc0310_device *dev = to_gc0310_sensor(sd); @@ -1207,8 +1207,6 @@ static int gc0310_remove(struct i2c_client *client) media_entity_cleanup(&dev->sd.entity); v4l2_ctrl_handler_free(&dev->ctrl_handler); kfree(dev); - - return 0; } static int gc0310_probe(struct i2c_client *client) diff --git a/drivers/staging/media/atomisp/i2c/atomisp-gc2235.c b/drivers/staging/media/atomisp/i2c/atomisp-gc2235.c index 0e6b2e6100d1..4d5a7e335f85 100644 --- a/drivers/staging/media/atomisp/i2c/atomisp-gc2235.c +++ b/drivers/staging/media/atomisp/i2c/atomisp-gc2235.c @@ -952,7 +952,7 @@ static const struct v4l2_subdev_ops gc2235_ops = { .sensor = &gc2235_sensor_ops, }; -static int gc2235_remove(struct i2c_client *client) +static void gc2235_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct gc2235_device *dev = to_gc2235_sensor(sd); @@ -965,8 +965,6 @@ static int gc2235_remove(struct i2c_client *client) media_entity_cleanup(&dev->sd.entity); v4l2_ctrl_handler_free(&dev->ctrl_handler); kfree(dev); - - return 0; } static int gc2235_probe(struct i2c_client *client) diff --git a/drivers/staging/media/atomisp/i2c/atomisp-lm3554.c b/drivers/staging/media/atomisp/i2c/atomisp-lm3554.c index e046489cd253..75d16b525294 100644 --- a/drivers/staging/media/atomisp/i2c/atomisp-lm3554.c +++ b/drivers/staging/media/atomisp/i2c/atomisp-lm3554.c @@ -910,7 +910,7 @@ free_flash: return err; } -static int lm3554_remove(struct i2c_client *client) +static void lm3554_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct lm3554 *flash = to_lm3554(sd); @@ -926,8 +926,6 @@ static int lm3554_remove(struct i2c_client *client) lm3554_gpio_uninit(client); kfree(flash); - - return 0; } static const struct dev_pm_ops lm3554_pm_ops = { diff --git a/drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c b/drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c index 3c81ab73cdae..a0e8e94b2412 100644 --- a/drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c +++ b/drivers/staging/media/atomisp/i2c/atomisp-mt9m114.c @@ -1713,7 +1713,7 @@ static const struct v4l2_subdev_ops mt9m114_ops = { .sensor = &mt9m114_sensor_ops, }; -static int mt9m114_remove(struct i2c_client *client) +static void mt9m114_remove(struct i2c_client *client) { struct mt9m114_device *dev; struct v4l2_subdev *sd = i2c_get_clientdata(client); @@ -1724,7 +1724,6 @@ static int mt9m114_remove(struct i2c_client *client) media_entity_cleanup(&dev->sd.entity); v4l2_ctrl_handler_free(&dev->ctrl_handler); kfree(dev); - return 0; } static int mt9m114_probe(struct i2c_client *client) diff --git a/drivers/staging/media/atomisp/i2c/atomisp-ov2680.c b/drivers/staging/media/atomisp/i2c/atomisp-ov2680.c index 4ba99c660681..8f48b23be3aa 100644 --- a/drivers/staging/media/atomisp/i2c/atomisp-ov2680.c +++ b/drivers/staging/media/atomisp/i2c/atomisp-ov2680.c @@ -1135,7 +1135,7 @@ static const struct v4l2_subdev_ops ov2680_ops = { .sensor = &ov2680_sensor_ops, }; -static int ov2680_remove(struct i2c_client *client) +static void ov2680_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct ov2680_device *dev = to_ov2680_sensor(sd); @@ -1148,8 +1148,6 @@ static int ov2680_remove(struct i2c_client *client) media_entity_cleanup(&dev->sd.entity); v4l2_ctrl_handler_free(&dev->ctrl_handler); kfree(dev); - - return 0; } static int ov2680_probe(struct i2c_client *client) diff --git a/drivers/staging/media/atomisp/i2c/atomisp-ov2722.c b/drivers/staging/media/atomisp/i2c/atomisp-ov2722.c index d5d099ac1b70..887b6f99f6ca 100644 --- a/drivers/staging/media/atomisp/i2c/atomisp-ov2722.c +++ b/drivers/staging/media/atomisp/i2c/atomisp-ov2722.c @@ -1090,7 +1090,7 @@ static const struct v4l2_subdev_ops ov2722_ops = { .sensor = &ov2722_sensor_ops, }; -static int ov2722_remove(struct i2c_client *client) +static void ov2722_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct ov2722_device *dev = to_ov2722_sensor(sd); @@ -1103,8 +1103,6 @@ static int ov2722_remove(struct i2c_client *client) media_entity_cleanup(&dev->sd.entity); kfree(dev); - - return 0; } static int __ov2722_init_ctrl_handler(struct ov2722_device *dev) diff --git a/drivers/staging/media/atomisp/i2c/ov5693/atomisp-ov5693.c b/drivers/staging/media/atomisp/i2c/ov5693/atomisp-ov5693.c index 6c95f57a52e9..c1cd631455e6 100644 --- a/drivers/staging/media/atomisp/i2c/ov5693/atomisp-ov5693.c +++ b/drivers/staging/media/atomisp/i2c/ov5693/atomisp-ov5693.c @@ -1877,7 +1877,7 @@ static const struct v4l2_subdev_ops ov5693_ops = { .pad = &ov5693_pad_ops, }; -static int ov5693_remove(struct i2c_client *client) +static void ov5693_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct ov5693_device *dev = to_ov5693_sensor(sd); @@ -1893,8 +1893,6 @@ static int ov5693_remove(struct i2c_client *client) media_entity_cleanup(&dev->sd.entity); v4l2_ctrl_handler_free(&dev->ctrl_handler); kfree(dev); - - return 0; } static int ov5693_probe(struct i2c_client *client) diff --git a/drivers/staging/media/max96712/max96712.c b/drivers/staging/media/max96712/max96712.c index 6b5abd958bff..99b333b68198 100644 --- a/drivers/staging/media/max96712/max96712.c +++ b/drivers/staging/media/max96712/max96712.c @@ -407,15 +407,13 @@ static int max96712_probe(struct i2c_client *client) return max96712_v4l2_register(priv); } -static int max96712_remove(struct i2c_client *client) +static void max96712_remove(struct i2c_client *client) { struct max96712_priv *priv = i2c_get_clientdata(client); v4l2_async_unregister_subdev(&priv->sd); gpiod_set_value_cansleep(priv->gpiod_pwdn, 0); - - return 0; } static const struct of_device_id max96712_of_table[] = { diff --git a/drivers/staging/most/i2c/i2c.c b/drivers/staging/most/i2c/i2c.c index 7042f10887bb..285a071f02be 100644 --- a/drivers/staging/most/i2c/i2c.c +++ b/drivers/staging/most/i2c/i2c.c @@ -340,14 +340,12 @@ static int i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) * * Unregister the i2c client device as a MOST interface */ -static int i2c_remove(struct i2c_client *client) +static void i2c_remove(struct i2c_client *client) { struct hdm_i2c *dev = i2c_get_clientdata(client); most_deregister_interface(&dev->most_iface); kfree(dev); - - return 0; } static const struct i2c_device_id i2c_id[] = { diff --git a/drivers/staging/olpc_dcon/olpc_dcon.c b/drivers/staging/olpc_dcon/olpc_dcon.c index 9363c5cfe50f..4fb9b9f10799 100644 --- a/drivers/staging/olpc_dcon/olpc_dcon.c +++ b/drivers/staging/olpc_dcon/olpc_dcon.c @@ -668,7 +668,7 @@ static int dcon_probe(struct i2c_client *client, const struct i2c_device_id *id) return rc; } -static int dcon_remove(struct i2c_client *client) +static void dcon_remove(struct i2c_client *client) { struct dcon_priv *dcon = i2c_get_clientdata(client); @@ -684,8 +684,6 @@ static int dcon_remove(struct i2c_client *client) cancel_work_sync(&dcon->switch_source); kfree(dcon); - - return 0; } #ifdef CONFIG_PM diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c index ab10ca4a45b5..7cf81f692ac4 100644 --- a/drivers/tty/serial/max310x.c +++ b/drivers/tty/serial/max310x.c @@ -1616,11 +1616,9 @@ static int max310x_i2c_probe(struct i2c_client *client) regmaps, client->irq); } -static int max310x_i2c_remove(struct i2c_client *client) +static void max310x_i2c_remove(struct i2c_client *client) { max310x_remove(&client->dev); - - return 0; } static struct i2c_driver max310x_i2c_driver = { diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c index 259e08cc347c..d983692c59e0 100644 --- a/drivers/tty/serial/sc16is7xx.c +++ b/drivers/tty/serial/sc16is7xx.c @@ -1689,11 +1689,9 @@ static int sc16is7xx_i2c_probe(struct i2c_client *i2c, return sc16is7xx_probe(&i2c->dev, devtype, regmap, i2c->irq); } -static int sc16is7xx_i2c_remove(struct i2c_client *client) +static void sc16is7xx_i2c_remove(struct i2c_client *client) { sc16is7xx_remove(&client->dev); - - return 0; } static const struct i2c_device_id sc16is7xx_i2c_id_table[] = { diff --git a/drivers/usb/misc/usb3503.c b/drivers/usb/misc/usb3503.c index 330f494cd158..3c9fa663475f 100644 --- a/drivers/usb/misc/usb3503.c +++ b/drivers/usb/misc/usb3503.c @@ -289,14 +289,12 @@ static int usb3503_i2c_probe(struct i2c_client *i2c, return usb3503_probe(hub); } -static int usb3503_i2c_remove(struct i2c_client *i2c) +static void usb3503_i2c_remove(struct i2c_client *i2c) { struct usb3503 *hub; hub = i2c_get_clientdata(i2c); clk_disable_unprepare(hub->clk); - - return 0; } static int usb3503_platform_probe(struct platform_device *pdev) diff --git a/drivers/usb/phy/phy-isp1301-omap.c b/drivers/usb/phy/phy-isp1301-omap.c index f8bd93fe69cd..e5d3f206097c 100644 --- a/drivers/usb/phy/phy-isp1301-omap.c +++ b/drivers/usb/phy/phy-isp1301-omap.c @@ -1196,7 +1196,7 @@ static void isp1301_release(struct device *dev) static struct isp1301 *the_transceiver; -static int isp1301_remove(struct i2c_client *i2c) +static void isp1301_remove(struct i2c_client *i2c) { struct isp1301 *isp; @@ -1214,8 +1214,6 @@ static int isp1301_remove(struct i2c_client *i2c) put_device(&i2c->dev); the_transceiver = NULL; - - return 0; } /*-------------------------------------------------------------------------*/ diff --git a/drivers/usb/phy/phy-isp1301.c b/drivers/usb/phy/phy-isp1301.c index ad3d57f1c273..c2777a5c1f4e 100644 --- a/drivers/usb/phy/phy-isp1301.c +++ b/drivers/usb/phy/phy-isp1301.c @@ -120,14 +120,12 @@ static int isp1301_probe(struct i2c_client *client, return 0; } -static int isp1301_remove(struct i2c_client *client) +static void isp1301_remove(struct i2c_client *client) { struct isp1301 *isp = i2c_get_clientdata(client); usb_remove_phy(&isp->phy); isp1301_i2c_client = NULL; - - return 0; } static struct i2c_driver isp1301_driver = { diff --git a/drivers/usb/typec/anx7411.c b/drivers/usb/typec/anx7411.c index c0f0842d443c..e205f409589a 100644 --- a/drivers/usb/typec/anx7411.c +++ b/drivers/usb/typec/anx7411.c @@ -1541,7 +1541,7 @@ free_i2c_dummy: return ret; } -static int anx7411_i2c_remove(struct i2c_client *client) +static void anx7411_i2c_remove(struct i2c_client *client) { struct anx7411_data *plat = i2c_get_clientdata(client); @@ -1565,8 +1565,6 @@ static int anx7411_i2c_remove(struct i2c_client *client) typec_unregister_port(plat->typec.port); anx7411_port_unregister_altmodes(plat->typec.port_amode); - - return 0; } static const struct i2c_device_id anx7411_id[] = { diff --git a/drivers/usb/typec/hd3ss3220.c b/drivers/usb/typec/hd3ss3220.c index cd47c3597e19..2a58185fb14c 100644 --- a/drivers/usb/typec/hd3ss3220.c +++ b/drivers/usb/typec/hd3ss3220.c @@ -245,14 +245,12 @@ err_put_fwnode: return ret; } -static int hd3ss3220_remove(struct i2c_client *client) +static void hd3ss3220_remove(struct i2c_client *client) { struct hd3ss3220 *hd3ss3220 = i2c_get_clientdata(client); typec_unregister_port(hd3ss3220->port); usb_role_switch_put(hd3ss3220->role_sw); - - return 0; } static const struct of_device_id dev_ids[] = { diff --git a/drivers/usb/typec/mux/fsa4480.c b/drivers/usb/typec/mux/fsa4480.c index 6184f5367190..d6495e533e58 100644 --- a/drivers/usb/typec/mux/fsa4480.c +++ b/drivers/usb/typec/mux/fsa4480.c @@ -181,14 +181,12 @@ static int fsa4480_probe(struct i2c_client *client) return 0; } -static int fsa4480_remove(struct i2c_client *client) +static void fsa4480_remove(struct i2c_client *client) { struct fsa4480 *fsa = i2c_get_clientdata(client); typec_mux_unregister(fsa->mux); typec_switch_unregister(fsa->sw); - - return 0; } static const struct i2c_device_id fsa4480_table[] = { diff --git a/drivers/usb/typec/mux/pi3usb30532.c b/drivers/usb/typec/mux/pi3usb30532.c index 6ce9f282594e..1cd388b55c30 100644 --- a/drivers/usb/typec/mux/pi3usb30532.c +++ b/drivers/usb/typec/mux/pi3usb30532.c @@ -160,13 +160,12 @@ static int pi3usb30532_probe(struct i2c_client *client) return 0; } -static int pi3usb30532_remove(struct i2c_client *client) +static void pi3usb30532_remove(struct i2c_client *client) { struct pi3usb30532 *pi = i2c_get_clientdata(client); typec_mux_unregister(pi->mux); typec_switch_unregister(pi->sw); - return 0; } static const struct i2c_device_id pi3usb30532_table[] = { diff --git a/drivers/usb/typec/rt1719.c b/drivers/usb/typec/rt1719.c index f1b698edd7eb..ea8b700b0ceb 100644 --- a/drivers/usb/typec/rt1719.c +++ b/drivers/usb/typec/rt1719.c @@ -930,14 +930,12 @@ err_fwnode_put: return ret; } -static int rt1719_remove(struct i2c_client *i2c) +static void rt1719_remove(struct i2c_client *i2c) { struct rt1719_data *data = i2c_get_clientdata(i2c); typec_unregister_port(data->port); usb_role_switch_put(data->role_sw); - - return 0; } static const struct of_device_id __maybe_unused rt1719_device_table[] = { diff --git a/drivers/usb/typec/stusb160x.c b/drivers/usb/typec/stusb160x.c index e7745d1c2a5c..8638f1d39896 100644 --- a/drivers/usb/typec/stusb160x.c +++ b/drivers/usb/typec/stusb160x.c @@ -801,7 +801,7 @@ fwnode_put: return ret; } -static int stusb160x_remove(struct i2c_client *client) +static void stusb160x_remove(struct i2c_client *client) { struct stusb160x *chip = i2c_get_clientdata(client); @@ -823,8 +823,6 @@ static int stusb160x_remove(struct i2c_client *client) if (chip->main_supply) regulator_disable(chip->main_supply); - - return 0; } static int __maybe_unused stusb160x_suspend(struct device *dev) diff --git a/drivers/usb/typec/tcpm/fusb302.c b/drivers/usb/typec/tcpm/fusb302.c index 96c55eaf3f80..5e9348f28d50 100644 --- a/drivers/usb/typec/tcpm/fusb302.c +++ b/drivers/usb/typec/tcpm/fusb302.c @@ -1771,7 +1771,7 @@ destroy_workqueue: return ret; } -static int fusb302_remove(struct i2c_client *client) +static void fusb302_remove(struct i2c_client *client) { struct fusb302_chip *chip = i2c_get_clientdata(client); @@ -1783,8 +1783,6 @@ static int fusb302_remove(struct i2c_client *client) fwnode_handle_put(chip->tcpc_dev.fwnode); destroy_workqueue(chip->wq); fusb302_debugfs_exit(chip); - - return 0; } static int fusb302_pm_suspend(struct device *dev) diff --git a/drivers/usb/typec/tcpm/tcpci.c b/drivers/usb/typec/tcpm/tcpci.c index 812784702d53..f00810d198a8 100644 --- a/drivers/usb/typec/tcpm/tcpci.c +++ b/drivers/usb/typec/tcpm/tcpci.c @@ -868,7 +868,7 @@ static int tcpci_probe(struct i2c_client *client, return 0; } -static int tcpci_remove(struct i2c_client *client) +static void tcpci_remove(struct i2c_client *client) { struct tcpci_chip *chip = i2c_get_clientdata(client); int err; @@ -879,8 +879,6 @@ static int tcpci_remove(struct i2c_client *client) dev_warn(&client->dev, "Failed to disable irqs (%pe)\n", ERR_PTR(err)); tcpci_unregister_port(chip->tcpci); - - return 0; } static const struct i2c_device_id tcpci_id[] = { diff --git a/drivers/usb/typec/tcpm/tcpci_maxim.c b/drivers/usb/typec/tcpm/tcpci_maxim.c index 4b6705f3d7b7..03f89e6f1a78 100644 --- a/drivers/usb/typec/tcpm/tcpci_maxim.c +++ b/drivers/usb/typec/tcpm/tcpci_maxim.c @@ -492,14 +492,12 @@ unreg_port: return ret; } -static int max_tcpci_remove(struct i2c_client *client) +static void max_tcpci_remove(struct i2c_client *client) { struct max_tcpci_chip *chip = i2c_get_clientdata(client); if (!IS_ERR_OR_NULL(chip->tcpci)) tcpci_unregister_port(chip->tcpci); - - return 0; } static const struct i2c_device_id max_tcpci_id[] = { diff --git a/drivers/usb/typec/tcpm/tcpci_rt1711h.c b/drivers/usb/typec/tcpm/tcpci_rt1711h.c index 3291ca4948da..c1327713f06d 100644 --- a/drivers/usb/typec/tcpm/tcpci_rt1711h.c +++ b/drivers/usb/typec/tcpm/tcpci_rt1711h.c @@ -263,12 +263,11 @@ static int rt1711h_probe(struct i2c_client *client, return 0; } -static int rt1711h_remove(struct i2c_client *client) +static void rt1711h_remove(struct i2c_client *client) { struct rt1711h_chip *chip = i2c_get_clientdata(client); tcpci_unregister_port(chip->tcpci); - return 0; } static const struct i2c_device_id rt1711h_id[] = { diff --git a/drivers/usb/typec/tipd/core.c b/drivers/usb/typec/tipd/core.c index dfbba5ae9487..b637e8b378b3 100644 --- a/drivers/usb/typec/tipd/core.c +++ b/drivers/usb/typec/tipd/core.c @@ -857,15 +857,13 @@ err_clear_mask: return ret; } -static int tps6598x_remove(struct i2c_client *client) +static void tps6598x_remove(struct i2c_client *client) { struct tps6598x *tps = i2c_get_clientdata(client); tps6598x_disconnect(tps, 0); typec_unregister_port(tps->port); usb_role_switch_put(tps->role_sw); - - return 0; } static const struct of_device_id tps6598x_of_match[] = { diff --git a/drivers/usb/typec/ucsi/ucsi_ccg.c b/drivers/usb/typec/ucsi/ucsi_ccg.c index 5c0bf48be766..349756335362 100644 --- a/drivers/usb/typec/ucsi/ucsi_ccg.c +++ b/drivers/usb/typec/ucsi/ucsi_ccg.c @@ -1403,7 +1403,7 @@ out_ucsi_destroy: return status; } -static int ucsi_ccg_remove(struct i2c_client *client) +static void ucsi_ccg_remove(struct i2c_client *client) { struct ucsi_ccg *uc = i2c_get_clientdata(client); @@ -1413,8 +1413,6 @@ static int ucsi_ccg_remove(struct i2c_client *client) ucsi_unregister(uc->ucsi); ucsi_destroy(uc->ucsi); free_irq(uc->irq, uc); - - return 0; } static const struct i2c_device_id ucsi_ccg_device_id[] = { diff --git a/drivers/usb/typec/ucsi/ucsi_stm32g0.c b/drivers/usb/typec/ucsi/ucsi_stm32g0.c index 061551d464f1..16289ff583b4 100644 --- a/drivers/usb/typec/ucsi/ucsi_stm32g0.c +++ b/drivers/usb/typec/ucsi/ucsi_stm32g0.c @@ -688,7 +688,7 @@ destroy: return ret; } -static int ucsi_stm32g0_remove(struct i2c_client *client) +static void ucsi_stm32g0_remove(struct i2c_client *client) { struct ucsi_stm32g0 *g0 = i2c_get_clientdata(client); @@ -697,8 +697,6 @@ static int ucsi_stm32g0_remove(struct i2c_client *client) if (g0->fw_name) i2c_unregister_device(g0->i2c_bl); ucsi_destroy(g0->ucsi); - - return 0; } static int ucsi_stm32g0_suspend(struct device *dev) diff --git a/drivers/usb/typec/wusb3801.c b/drivers/usb/typec/wusb3801.c index e63509f8b01e..3cc7a15ecbd3 100644 --- a/drivers/usb/typec/wusb3801.c +++ b/drivers/usb/typec/wusb3801.c @@ -399,7 +399,7 @@ err_put_connector: return ret; } -static int wusb3801_remove(struct i2c_client *client) +static void wusb3801_remove(struct i2c_client *client) { struct wusb3801 *wusb3801 = i2c_get_clientdata(client); @@ -411,8 +411,6 @@ static int wusb3801_remove(struct i2c_client *client) if (wusb3801->vbus_on) regulator_disable(wusb3801->vbus_supply); - - return 0; } static const struct of_device_id wusb3801_of_match[] = { diff --git a/drivers/video/backlight/adp8860_bl.c b/drivers/video/backlight/adp8860_bl.c index 8ec19425671f..b0fe02273e87 100644 --- a/drivers/video/backlight/adp8860_bl.c +++ b/drivers/video/backlight/adp8860_bl.c @@ -753,7 +753,7 @@ out: return ret; } -static int adp8860_remove(struct i2c_client *client) +static void adp8860_remove(struct i2c_client *client) { struct adp8860_bl *data = i2c_get_clientdata(client); @@ -765,8 +765,6 @@ static int adp8860_remove(struct i2c_client *client) if (data->en_ambl_sens) sysfs_remove_group(&data->bl->dev.kobj, &adp8860_bl_attr_group); - - return 0; } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/video/backlight/adp8870_bl.c b/drivers/video/backlight/adp8870_bl.c index 8b5213a39527..5becace3fd0f 100644 --- a/drivers/video/backlight/adp8870_bl.c +++ b/drivers/video/backlight/adp8870_bl.c @@ -925,7 +925,7 @@ out: return ret; } -static int adp8870_remove(struct i2c_client *client) +static void adp8870_remove(struct i2c_client *client) { struct adp8870_bl *data = i2c_get_clientdata(client); @@ -937,8 +937,6 @@ static int adp8870_remove(struct i2c_client *client) if (data->pdata->en_ambl_sens) sysfs_remove_group(&data->bl->dev.kobj, &adp8870_bl_attr_group); - - return 0; } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/video/backlight/arcxcnn_bl.c b/drivers/video/backlight/arcxcnn_bl.c index 7b1c0a0e6cad..060c0eef6a52 100644 --- a/drivers/video/backlight/arcxcnn_bl.c +++ b/drivers/video/backlight/arcxcnn_bl.c @@ -362,7 +362,7 @@ probe_err: return ret; } -static int arcxcnn_remove(struct i2c_client *cl) +static void arcxcnn_remove(struct i2c_client *cl) { struct arcxcnn *lp = i2c_get_clientdata(cl); @@ -376,8 +376,6 @@ static int arcxcnn_remove(struct i2c_client *cl) lp->bl->props.brightness = 0; backlight_update_status(lp->bl); - - return 0; } static const struct of_device_id arcxcnn_dt_ids[] = { diff --git a/drivers/video/backlight/bd6107.c b/drivers/video/backlight/bd6107.c index 515184fbe33a..a506872d4396 100644 --- a/drivers/video/backlight/bd6107.c +++ b/drivers/video/backlight/bd6107.c @@ -175,14 +175,12 @@ static int bd6107_probe(struct i2c_client *client, return 0; } -static int bd6107_remove(struct i2c_client *client) +static void bd6107_remove(struct i2c_client *client) { struct backlight_device *backlight = i2c_get_clientdata(client); backlight->props.brightness = 0; backlight_update_status(backlight); - - return 0; } static const struct i2c_device_id bd6107_ids[] = { diff --git a/drivers/video/backlight/lm3630a_bl.c b/drivers/video/backlight/lm3630a_bl.c index 1d17c439430e..475f35635bf6 100644 --- a/drivers/video/backlight/lm3630a_bl.c +++ b/drivers/video/backlight/lm3630a_bl.c @@ -579,7 +579,7 @@ static int lm3630a_probe(struct i2c_client *client, return 0; } -static int lm3630a_remove(struct i2c_client *client) +static void lm3630a_remove(struct i2c_client *client) { int rval; struct lm3630a_chip *pchip = i2c_get_clientdata(client); @@ -596,7 +596,6 @@ static int lm3630a_remove(struct i2c_client *client) free_irq(pchip->irq, pchip); destroy_workqueue(pchip->irqthread); } - return 0; } static const struct i2c_device_id lm3630a_id[] = { diff --git a/drivers/video/backlight/lm3639_bl.c b/drivers/video/backlight/lm3639_bl.c index 48c04155a5f9..6580911671a3 100644 --- a/drivers/video/backlight/lm3639_bl.c +++ b/drivers/video/backlight/lm3639_bl.c @@ -390,7 +390,7 @@ err_out: return ret; } -static int lm3639_remove(struct i2c_client *client) +static void lm3639_remove(struct i2c_client *client) { struct lm3639_chip_data *pchip = i2c_get_clientdata(client); @@ -400,7 +400,6 @@ static int lm3639_remove(struct i2c_client *client) led_classdev_unregister(&pchip->cdev_flash); if (pchip->bled) device_remove_file(&(pchip->bled->dev), &dev_attr_bled_mode); - return 0; } static const struct i2c_device_id lm3639_id[] = { diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c index fc02c5c16055..bd0bdeae23a4 100644 --- a/drivers/video/backlight/lp855x_bl.c +++ b/drivers/video/backlight/lp855x_bl.c @@ -534,7 +534,7 @@ disable_supply: return ret; } -static int lp855x_remove(struct i2c_client *cl) +static void lp855x_remove(struct i2c_client *cl) { struct lp855x *lp = i2c_get_clientdata(cl); @@ -545,8 +545,6 @@ static int lp855x_remove(struct i2c_client *cl) if (lp->supply) regulator_disable(lp->supply); sysfs_remove_group(&lp->dev->kobj, &lp855x_attr_group); - - return 0; } static const struct of_device_id lp855x_dt_ids[] = { diff --git a/drivers/video/backlight/lv5207lp.c b/drivers/video/backlight/lv5207lp.c index 1842ae9a55f8..767b800d79fa 100644 --- a/drivers/video/backlight/lv5207lp.c +++ b/drivers/video/backlight/lv5207lp.c @@ -124,14 +124,12 @@ static int lv5207lp_probe(struct i2c_client *client, return 0; } -static int lv5207lp_remove(struct i2c_client *client) +static void lv5207lp_remove(struct i2c_client *client) { struct backlight_device *backlight = i2c_get_clientdata(client); backlight->props.brightness = 0; backlight_update_status(backlight); - - return 0; } static const struct i2c_device_id lv5207lp_ids[] = { diff --git a/drivers/video/backlight/tosa_bl.c b/drivers/video/backlight/tosa_bl.c index 6df6fcd132e3..f55b3d616a87 100644 --- a/drivers/video/backlight/tosa_bl.c +++ b/drivers/video/backlight/tosa_bl.c @@ -121,12 +121,11 @@ err_reg: return ret; } -static int tosa_bl_remove(struct i2c_client *client) +static void tosa_bl_remove(struct i2c_client *client) { struct tosa_bl_data *data = i2c_get_clientdata(client); data->bl = NULL; - return 0; } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/video/fbdev/matrox/matroxfb_maven.c b/drivers/video/fbdev/matrox/matroxfb_maven.c index 9a98c4a6ba33..f2e02958673d 100644 --- a/drivers/video/fbdev/matrox/matroxfb_maven.c +++ b/drivers/video/fbdev/matrox/matroxfb_maven.c @@ -1276,11 +1276,10 @@ ERROR0:; return err; } -static int maven_remove(struct i2c_client *client) +static void maven_remove(struct i2c_client *client) { maven_shutdown_client(client); kfree(i2c_get_clientdata(client)); - return 0; } static const struct i2c_device_id maven_id[] = { diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c index 52e4ed9da78c..5c891aa00d59 100644 --- a/drivers/video/fbdev/ssd1307fb.c +++ b/drivers/video/fbdev/ssd1307fb.c @@ -817,7 +817,7 @@ fb_alloc_error: return ret; } -static int ssd1307fb_remove(struct i2c_client *client) +static void ssd1307fb_remove(struct i2c_client *client) { struct fb_info *info = i2c_get_clientdata(client); struct ssd1307fb_par *par = info->par; @@ -836,8 +836,6 @@ static int ssd1307fb_remove(struct i2c_client *client) fb_deferred_io_cleanup(info); __free_pages(__va(info->fix.smem_start), get_order(info->fix.smem_len)); framebuffer_release(info); - - return 0; } static const struct i2c_device_id ssd1307fb_i2c_id[] = { diff --git a/drivers/w1/masters/ds2482.c b/drivers/w1/masters/ds2482.c index 6c962e88501c..62c44616d8a9 100644 --- a/drivers/w1/masters/ds2482.c +++ b/drivers/w1/masters/ds2482.c @@ -525,7 +525,7 @@ exit: return err; } -static int ds2482_remove(struct i2c_client *client) +static void ds2482_remove(struct i2c_client *client) { struct ds2482_data *data = i2c_get_clientdata(client); int idx; @@ -538,7 +538,6 @@ static int ds2482_remove(struct i2c_client *client) /* Free the memory */ kfree(data); - return 0; } /* diff --git a/drivers/watchdog/ziirave_wdt.c b/drivers/watchdog/ziirave_wdt.c index c5a9b820d43a..d0e88875443a 100644 --- a/drivers/watchdog/ziirave_wdt.c +++ b/drivers/watchdog/ziirave_wdt.c @@ -708,13 +708,11 @@ static int ziirave_wdt_probe(struct i2c_client *client, return ret; } -static int ziirave_wdt_remove(struct i2c_client *client) +static void ziirave_wdt_remove(struct i2c_client *client) { struct ziirave_wdt_data *w_priv = i2c_get_clientdata(client); watchdog_unregister_device(&w_priv->wdd); - - return 0; } static const struct i2c_device_id ziirave_wdt_id[] = { |