diff options
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-14 10:31:27 +0100 |
|---|---|---|
| committer | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-19 11:04:09 +0100 |
| commit | 2e8d68c02ed17263310e3c49f542c1d9df57ec74 (patch) | |
| tree | 1876d8f21d336078670c7cb9c5eb615682d80680 /drivers/pwm/pwm-fsl-ftm.c | |
| parent | 097779f1577df28fe5d02193ea8192a4b55d766a (diff) | |
| download | lwn-2e8d68c02ed17263310e3c49f542c1d9df57ec74.tar.gz lwn-2e8d68c02ed17263310e3c49f542c1d9df57ec74.zip | |
pwm: fsl-ftm: Make use of devm_pwmchip_alloc() function
This prepares the pwm-fsl-ftm driver to further changes of the pwm core
outlined in the commit introducing devm_pwmchip_alloc(). There is no
intended semantical change and the driver should behave as before.
Link: https://lore.kernel.org/r/b3c75dea5b2944402b14944fdf71a5db0e26cbd7.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Diffstat (limited to 'drivers/pwm/pwm-fsl-ftm.c')
| -rw-r--r-- | drivers/pwm/pwm-fsl-ftm.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/pwm/pwm-fsl-ftm.c b/drivers/pwm/pwm-fsl-ftm.c index b4f8dff60c50..2510c10ca473 100644 --- a/drivers/pwm/pwm-fsl-ftm.c +++ b/drivers/pwm/pwm-fsl-ftm.c @@ -40,7 +40,6 @@ struct fsl_pwm_periodcfg { }; struct fsl_pwm_chip { - struct pwm_chip chip; struct mutex lock; struct regmap *regmap; @@ -55,7 +54,7 @@ struct fsl_pwm_chip { static inline struct fsl_pwm_chip *to_fsl_chip(struct pwm_chip *chip) { - return container_of(chip, struct fsl_pwm_chip, chip); + return pwmchip_get_drvdata(chip); } static void ftm_clear_write_protection(struct fsl_pwm_chip *fpc) @@ -398,15 +397,14 @@ static int fsl_pwm_probe(struct platform_device *pdev) void __iomem *base; int ret; - fpc = devm_kzalloc(&pdev->dev, sizeof(*fpc), GFP_KERNEL); - if (!fpc) - return -ENOMEM; - chip = &fpc->chip; + chip = devm_pwmchip_alloc(&pdev->dev, 8, sizeof(*fpc)); + if (IS_ERR(chip)) + return PTR_ERR(chip); + fpc = to_fsl_chip(chip); mutex_init(&fpc->lock); fpc->soc = of_device_get_match_data(&pdev->dev); - chip->dev = &pdev->dev; base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(base)) @@ -446,9 +444,7 @@ static int fsl_pwm_probe(struct platform_device *pdev) if (IS_ERR(fpc->ipg_clk)) fpc->ipg_clk = fpc->clk[FSL_PWM_CLK_SYS]; - chip->ops = &fsl_pwm_ops; - chip->npwm = 8; ret = devm_pwmchip_add(&pdev->dev, chip); if (ret < 0) { |