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authorFabian Frederick <fabf@skynet.be>2014-09-14 15:56:55 +0200
committerLinus Walleij <linus.walleij@linaro.org>2014-09-23 17:51:39 +0200
commit56b427678cc3c1c4e305a96c9cfa8ba985c70a48 (patch)
treefdedc26c8f75d9bf4e1c9295cda6ef66f3e86a54 /drivers/gpio
parent1e960dbb7b12886d2095df05adf8754eef1c26d0 (diff)
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 <fabf@skynet.be> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-cs5535.c9
1 files 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);