diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2015-12-07 14:08:12 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2016-01-05 11:21:12 +0100 |
| commit | d660c68eb5b24051a4765d473765d9021a720975 (patch) | |
| tree | c4e692f0fbdae8589347ed6be951974ca56494bc /drivers/gpio/gpio-rc5t583.c | |
| parent | 81d0c31d11846f282f08ff81219ff6b7230a78b1 (diff) | |
| download | lwn-d660c68eb5b24051a4765d473765d9021a720975.tar.gz lwn-d660c68eb5b24051a4765d473765d9021a720975.zip | |
gpio: rc5t583: use gpiochip data pointer
This makes the driver use the data pointer added to the gpio_chip
to store a pointer to the state container instead of relying on
container_of().
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-rc5t583.c')
| -rw-r--r-- | drivers/gpio/gpio-rc5t583.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/gpio/gpio-rc5t583.c b/drivers/gpio/gpio-rc5t583.c index f26d9f7d8cdd..1e2d210b3369 100644 --- a/drivers/gpio/gpio-rc5t583.c +++ b/drivers/gpio/gpio-rc5t583.c @@ -34,14 +34,9 @@ struct rc5t583_gpio { struct rc5t583 *rc5t583; }; -static inline struct rc5t583_gpio *to_rc5t583_gpio(struct gpio_chip *chip) -{ - return container_of(chip, struct rc5t583_gpio, gpio_chip); -} - static int rc5t583_gpio_get(struct gpio_chip *gc, unsigned int offset) { - struct rc5t583_gpio *rc5t583_gpio = to_rc5t583_gpio(gc); + struct rc5t583_gpio *rc5t583_gpio = gpiochip_get_data(gc); struct device *parent = rc5t583_gpio->rc5t583->dev; uint8_t val = 0; int ret; @@ -55,7 +50,7 @@ static int rc5t583_gpio_get(struct gpio_chip *gc, unsigned int offset) static void rc5t583_gpio_set(struct gpio_chip *gc, unsigned int offset, int val) { - struct rc5t583_gpio *rc5t583_gpio = to_rc5t583_gpio(gc); + struct rc5t583_gpio *rc5t583_gpio = gpiochip_get_data(gc); struct device *parent = rc5t583_gpio->rc5t583->dev; if (val) rc5t583_set_bits(parent, RC5T583_GPIO_IOOUT, BIT(offset)); @@ -65,7 +60,7 @@ static void rc5t583_gpio_set(struct gpio_chip *gc, unsigned int offset, int val) static int rc5t583_gpio_dir_input(struct gpio_chip *gc, unsigned int offset) { - struct rc5t583_gpio *rc5t583_gpio = to_rc5t583_gpio(gc); + struct rc5t583_gpio *rc5t583_gpio = gpiochip_get_data(gc); struct device *parent = rc5t583_gpio->rc5t583->dev; int ret; @@ -80,7 +75,7 @@ static int rc5t583_gpio_dir_input(struct gpio_chip *gc, unsigned int offset) static int rc5t583_gpio_dir_output(struct gpio_chip *gc, unsigned offset, int value) { - struct rc5t583_gpio *rc5t583_gpio = to_rc5t583_gpio(gc); + struct rc5t583_gpio *rc5t583_gpio = gpiochip_get_data(gc); struct device *parent = rc5t583_gpio->rc5t583->dev; int ret; @@ -95,7 +90,7 @@ static int rc5t583_gpio_dir_output(struct gpio_chip *gc, unsigned offset, static int rc5t583_gpio_to_irq(struct gpio_chip *gc, unsigned offset) { - struct rc5t583_gpio *rc5t583_gpio = to_rc5t583_gpio(gc); + struct rc5t583_gpio *rc5t583_gpio = gpiochip_get_data(gc); if (offset < RC5T583_MAX_GPIO) return rc5t583_gpio->rc5t583->irq_base + @@ -105,7 +100,7 @@ static int rc5t583_gpio_to_irq(struct gpio_chip *gc, unsigned offset) static void rc5t583_gpio_free(struct gpio_chip *gc, unsigned offset) { - struct rc5t583_gpio *rc5t583_gpio = to_rc5t583_gpio(gc); + struct rc5t583_gpio *rc5t583_gpio = gpiochip_get_data(gc); struct device *parent = rc5t583_gpio->rc5t583->dev; rc5t583_set_bits(parent, RC5T583_GPIO_PGSEL, BIT(offset)); @@ -141,7 +136,7 @@ static int rc5t583_gpio_probe(struct platform_device *pdev) platform_set_drvdata(pdev, rc5t583_gpio); - return gpiochip_add(&rc5t583_gpio->gpio_chip); + return gpiochip_add_data(&rc5t583_gpio->gpio_chip, rc5t583_gpio); } static int rc5t583_gpio_remove(struct platform_device *pdev) |