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Commit 56b42767 authored by Fabian Frederick's avatar Fabian Frederick Committed by Linus Walleij
Browse files

gpio: use container_of to resolve cs5535_gpio_chip from gpio_chip 



Use container_of instead of casting first structure member.

Signed-off-by: default avatarFabian Frederick <fabf@skynet.be>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 1e960dbb

drivers/gpio/gpio-cs5535.c

+6 −3
Original line number Diff line number Diff line
@@ -201,7 +201,8 @@ EXPORT_SYMBOL_GPL(cs5535_gpio_setup_event); 


static int chip_gpio_request(struct gpio_chip *c, unsigned offset)

{

	struct cs5535_gpio_chip *chip = (struct cs5535_gpio_chip *) c;

	struct cs5535_gpio_chip *chip =

		container_of(c, struct cs5535_gpio_chip, chip);

	unsigned long flags;



	spin_lock_irqsave(&chip->lock, flags);
@@ -241,7 +242,8 @@ static void chip_gpio_set(struct gpio_chip *chip, unsigned offset, int val) 


static int chip_direction_input(struct gpio_chip *c, unsigned offset)

{

	struct cs5535_gpio_chip *chip = (struct cs5535_gpio_chip *) c;

	struct cs5535_gpio_chip *chip =

		container_of(c, struct cs5535_gpio_chip, chip);

	unsigned long flags;



	spin_lock_irqsave(&chip->lock, flags);
@@ -254,7 +256,8 @@ static int chip_direction_input(struct gpio_chip *c, unsigned offset) 


static int chip_direction_output(struct gpio_chip *c, unsigned offset, int val)

{

	struct cs5535_gpio_chip *chip = (struct cs5535_gpio_chip *) c;

	struct cs5535_gpio_chip *chip =

		container_of(c, struct cs5535_gpio_chip, chip);

	unsigned long flags;



	spin_lock_irqsave(&chip->lock, flags);