diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2015-01-13 08:00:29 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2015-01-20 11:03:22 +0100 |
| commit | 1dfb4a0d7615811ec4a61b0a7631c8ddc0baf335 (patch) | |
| tree | e5c551306d8e6eb4bc62ea1f0c9f76e0c6fce73a /drivers/gpio | |
| parent | ee65ef609aa81539ac3792df88f04bfe29a77546 (diff) | |
| download | lwn-1dfb4a0d7615811ec4a61b0a7631c8ddc0baf335.tar.gz lwn-1dfb4a0d7615811ec4a61b0a7631c8ddc0baf335.zip | |
gpio: stmpe: enforce device tree only mode
Require that device tree be used with STMPE (all platforms use this)
and enforce OF_GPIO, then delete the platform data.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/gpio/gpio-stmpe.c | 23 |
2 files changed, 4 insertions, 20 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index 4187fcbc88fd..22b46567b3bb 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -644,6 +644,7 @@ config GPIO_SX150X config GPIO_STMPE bool "STMPE GPIOs" depends on MFD_STMPE + depends on OF_GPIO select GPIOLIB_IRQCHIP help This enables support for the GPIOs found on the STMPE I/O diff --git a/drivers/gpio/gpio-stmpe.c b/drivers/gpio/gpio-stmpe.c index 85c5b1974294..dabfb99dddef 100644 --- a/drivers/gpio/gpio-stmpe.c +++ b/drivers/gpio/gpio-stmpe.c @@ -30,7 +30,7 @@ struct stmpe_gpio { struct stmpe *stmpe; struct device *dev; struct mutex irq_lock; - unsigned norequest_mask; + u32 norequest_mask; /* Caches of interrupt control registers for bus_lock */ u8 regs[CACHE_NR_REGS][CACHE_NR_BANKS]; u8 oldregs[CACHE_NR_REGS][CACHE_NR_BANKS]; @@ -340,13 +340,10 @@ static int stmpe_gpio_probe(struct platform_device *pdev) { struct stmpe *stmpe = dev_get_drvdata(pdev->dev.parent); struct device_node *np = pdev->dev.of_node; - struct stmpe_gpio_platform_data *pdata; struct stmpe_gpio *stmpe_gpio; int ret; int irq = 0; - pdata = stmpe->pdata->gpio; - irq = platform_get_irq(pdev, 0); stmpe_gpio = kzalloc(sizeof(struct stmpe_gpio), GFP_KERNEL); @@ -360,19 +357,14 @@ static int stmpe_gpio_probe(struct platform_device *pdev) stmpe_gpio->chip = template_chip; stmpe_gpio->chip.ngpio = stmpe->num_gpios; stmpe_gpio->chip.dev = &pdev->dev; -#ifdef CONFIG_OF stmpe_gpio->chip.of_node = np; -#endif stmpe_gpio->chip.base = -1; if (IS_ENABLED(CONFIG_DEBUG_FS)) stmpe_gpio->chip.dbg_show = stmpe_dbg_show; - if (pdata) - stmpe_gpio->norequest_mask = pdata->norequest_mask; - else if (np) - of_property_read_u32(np, "st,norequest-mask", - &stmpe_gpio->norequest_mask); + of_property_read_u32(np, "st,norequest-mask", + &stmpe_gpio->norequest_mask); if (irq < 0) dev_info(&pdev->dev, @@ -414,9 +406,6 @@ static int stmpe_gpio_probe(struct platform_device *pdev) NULL); } - if (pdata && pdata->setup) - pdata->setup(stmpe, stmpe_gpio->chip.base); - platform_set_drvdata(pdev, stmpe_gpio); return 0; @@ -433,15 +422,9 @@ static int stmpe_gpio_remove(struct platform_device *pdev) { struct stmpe_gpio *stmpe_gpio = platform_get_drvdata(pdev); struct stmpe *stmpe = stmpe_gpio->stmpe; - struct stmpe_gpio_platform_data *pdata = stmpe->pdata->gpio; - - if (pdata && pdata->remove) - pdata->remove(stmpe, stmpe_gpio->chip.base); gpiochip_remove(&stmpe_gpio->chip); - stmpe_disable(stmpe, STMPE_BLOCK_GPIO); - kfree(stmpe_gpio); return 0; |