From 552dd7959c7d2c4f60ea4fc1f06985db76ec2beb Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Fri, 4 Dec 2015 16:21:53 +0100 Subject: [PATCH] gpio: da9055: 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(). Cc: Ashish Jangam Signed-off-by: Linus Walleij --- drivers/gpio/gpio-da9055.c | 17 ++++++----------- 1 file changed, 6 insertions(+), 11 deletions(-) diff --git a/drivers/gpio/gpio-da9055.c b/drivers/gpio/gpio-da9055.c index 7227e6e..18210fb 100644 --- a/drivers/gpio/gpio-da9055.c +++ b/drivers/gpio/gpio-da9055.c @@ -35,14 +35,9 @@ struct da9055_gpio { struct gpio_chip gp; }; -static inline struct da9055_gpio *to_da9055_gpio(struct gpio_chip *chip) -{ - return container_of(chip, struct da9055_gpio, gp); -} - static int da9055_gpio_get(struct gpio_chip *gc, unsigned offset) { - struct da9055_gpio *gpio = to_da9055_gpio(gc); + struct da9055_gpio *gpio = gpiochip_get_data(gc); int gpio_direction = 0; int ret; @@ -71,7 +66,7 @@ static int da9055_gpio_get(struct gpio_chip *gc, unsigned offset) static void da9055_gpio_set(struct gpio_chip *gc, unsigned offset, int value) { - struct da9055_gpio *gpio = to_da9055_gpio(gc); + struct da9055_gpio *gpio = gpiochip_get_data(gc); da9055_reg_update(gpio->da9055, DA9055_REG_GPIO_MODE0_2, @@ -81,7 +76,7 @@ static void da9055_gpio_set(struct gpio_chip *gc, unsigned offset, int value) static int da9055_gpio_direction_input(struct gpio_chip *gc, unsigned offset) { - struct da9055_gpio *gpio = to_da9055_gpio(gc); + struct da9055_gpio *gpio = gpiochip_get_data(gc); unsigned char reg_byte; reg_byte = (DA9055_ACT_LOW | DA9055_GPI) @@ -97,7 +92,7 @@ static int da9055_gpio_direction_input(struct gpio_chip *gc, unsigned offset) static int da9055_gpio_direction_output(struct gpio_chip *gc, unsigned offset, int value) { - struct da9055_gpio *gpio = to_da9055_gpio(gc); + struct da9055_gpio *gpio = gpiochip_get_data(gc); unsigned char reg_byte; int ret; @@ -119,7 +114,7 @@ static int da9055_gpio_direction_output(struct gpio_chip *gc, static int da9055_gpio_to_irq(struct gpio_chip *gc, u32 offset) { - struct da9055_gpio *gpio = to_da9055_gpio(gc); + struct da9055_gpio *gpio = gpiochip_get_data(gc); struct da9055 *da9055 = gpio->da9055; return regmap_irq_get_virq(da9055->irq_data, @@ -156,7 +151,7 @@ static int da9055_gpio_probe(struct platform_device *pdev) if (pdata && pdata->gpio_base) gpio->gp.base = pdata->gpio_base; - ret = gpiochip_add(&gpio->gp); + ret = gpiochip_add_data(&gpio->gp, gpio); if (ret < 0) { dev_err(&pdev->dev, "Could not register gpiochip, %d\n", ret); goto err_mem; -- 2.7.4