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authorLinus Walleij <linus.walleij@linaro.org>2015-12-07 16:41:02 +0300
committerLinus Walleij <linus.walleij@linaro.org>2016-01-05 13:21:15 +0300
commit0ca8c5c4af758b2a8d763b33508f99a3116c3c01 (patch)
tree1372c5d94b0158553db609b53f2f706909a17168 /drivers/gpio/gpio-tb10x.c
parentd27ad7a833443fe0c4247129ab97105f1d845cda (diff)
downloadlinux-0ca8c5c4af758b2a8d763b33508f99a3116c3c01.tar.xz
gpio: tb10x: 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: Christian Ruppert <christian.ruppert@abilis.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-tb10x.c')
-rw-r--r--drivers/gpio/gpio-tb10x.c17
1 files changed, 6 insertions, 11 deletions
diff --git a/drivers/gpio/gpio-tb10x.c b/drivers/gpio/gpio-tb10x.c
index 1a7c3efae5d8..5eaec20ddbc7 100644
--- a/drivers/gpio/gpio-tb10x.c
+++ b/drivers/gpio/gpio-tb10x.c
@@ -87,14 +87,9 @@ static inline void tb10x_set_bits(struct tb10x_gpio *gpio, unsigned int offs,
spin_unlock_irqrestore(&gpio->spinlock, flags);
}
-static inline struct tb10x_gpio *to_tb10x_gpio(struct gpio_chip *chip)
-{
- return container_of(chip, struct tb10x_gpio, gc);
-}
-
static int tb10x_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
{
- struct tb10x_gpio *tb10x_gpio = to_tb10x_gpio(chip);
+ struct tb10x_gpio *tb10x_gpio = gpiochip_get_data(chip);
int mask = BIT(offset);
int val = TB10X_GPIO_DIR_IN << offset;
@@ -105,7 +100,7 @@ static int tb10x_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
static int tb10x_gpio_get(struct gpio_chip *chip, unsigned offset)
{
- struct tb10x_gpio *tb10x_gpio = to_tb10x_gpio(chip);
+ struct tb10x_gpio *tb10x_gpio = gpiochip_get_data(chip);
int val;
val = tb10x_reg_read(tb10x_gpio, OFFSET_TO_REG_DATA);
@@ -118,7 +113,7 @@ static int tb10x_gpio_get(struct gpio_chip *chip, unsigned offset)
static void tb10x_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{
- struct tb10x_gpio *tb10x_gpio = to_tb10x_gpio(chip);
+ struct tb10x_gpio *tb10x_gpio = gpiochip_get_data(chip);
int mask = BIT(offset);
int val = value << offset;
@@ -128,7 +123,7 @@ static void tb10x_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
static int tb10x_gpio_direction_out(struct gpio_chip *chip,
unsigned offset, int value)
{
- struct tb10x_gpio *tb10x_gpio = to_tb10x_gpio(chip);
+ struct tb10x_gpio *tb10x_gpio = gpiochip_get_data(chip);
int mask = BIT(offset);
int val = TB10X_GPIO_DIR_OUT << offset;
@@ -140,7 +135,7 @@ static int tb10x_gpio_direction_out(struct gpio_chip *chip,
static int tb10x_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
{
- struct tb10x_gpio *tb10x_gpio = to_tb10x_gpio(chip);
+ struct tb10x_gpio *tb10x_gpio = gpiochip_get_data(chip);
return irq_create_mapping(tb10x_gpio->domain, offset);
}
@@ -210,7 +205,7 @@ static int tb10x_gpio_probe(struct platform_device *pdev)
tb10x_gpio->gc.can_sleep = false;
- ret = gpiochip_add(&tb10x_gpio->gc);
+ ret = gpiochip_add_data(&tb10x_gpio->gc, tb10x_gpio);
if (ret < 0) {
dev_err(&pdev->dev, "Could not add gpiochip.\n");
goto fail_gpiochip_registration;