From 56b427678cc3c1c4e305a96c9cfa8ba985c70a48 Mon Sep 17 00:00:00 2001 From: Fabian Frederick Date: Sun, 14 Sep 2014 15:56:55 +0200 Subject: [PATCH] gpio: use container_of to resolve cs5535_gpio_chip from gpio_chip Use container_of instead of casting first structure member. Signed-off-by: Fabian Frederick Signed-off-by: Linus Walleij --- drivers/gpio/gpio-cs5535.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/gpio/gpio-cs5535.c b/drivers/gpio/gpio-cs5535.c index 92ec58fa9236..668127fe90ef 100644 --- a/drivers/gpio/gpio-cs5535.c +++ b/drivers/gpio/gpio-cs5535.c @@ -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); -- 2.20.1