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authorLinus Walleij <linus.walleij@linaro.org>2015-12-04 17:31:31 +0300
committerLinus Walleij <linus.walleij@linaro.org>2016-01-05 13:21:03 +0300
commit18992d4ee577838e0fa006bad46d83cafccffbb3 (patch)
tree4d40f0399f2e23d14f79aa5d2a148f14f89ca5b0 /drivers/gpio/gpio-arizona.c
parentfb7228879a5a6552c9cd91561ca7c9b565a102aa (diff)
downloadlinux-18992d4ee577838e0fa006bad46d83cafccffbb3.tar.xz
gpio: arizona: 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: Richard Fitzgerald <rf@opensource.wolfsonmicro.com> Cc: Mark Brown <broonie@kernel.org> Reviewed-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-arizona.c')
-rw-r--r--drivers/gpio/gpio-arizona.c15
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/gpio/gpio-arizona.c b/drivers/gpio/gpio-arizona.c
index 412d131b513d..c729fee1dcdf 100644
--- a/drivers/gpio/gpio-arizona.c
+++ b/drivers/gpio/gpio-arizona.c
@@ -28,14 +28,9 @@ struct arizona_gpio {
struct gpio_chip gpio_chip;
};
-static inline struct arizona_gpio *to_arizona_gpio(struct gpio_chip *chip)
-{
- return container_of(chip, struct arizona_gpio, gpio_chip);
-}
-
static int arizona_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
{
- struct arizona_gpio *arizona_gpio = to_arizona_gpio(chip);
+ struct arizona_gpio *arizona_gpio = gpiochip_get_data(chip);
struct arizona *arizona = arizona_gpio->arizona;
return regmap_update_bits(arizona->regmap, ARIZONA_GPIO1_CTRL + offset,
@@ -44,7 +39,7 @@ static int arizona_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
static int arizona_gpio_get(struct gpio_chip *chip, unsigned offset)
{
- struct arizona_gpio *arizona_gpio = to_arizona_gpio(chip);
+ struct arizona_gpio *arizona_gpio = gpiochip_get_data(chip);
struct arizona *arizona = arizona_gpio->arizona;
unsigned int val;
int ret;
@@ -62,7 +57,7 @@ static int arizona_gpio_get(struct gpio_chip *chip, unsigned offset)
static int arizona_gpio_direction_out(struct gpio_chip *chip,
unsigned offset, int value)
{
- struct arizona_gpio *arizona_gpio = to_arizona_gpio(chip);
+ struct arizona_gpio *arizona_gpio = gpiochip_get_data(chip);
struct arizona *arizona = arizona_gpio->arizona;
if (value)
@@ -74,7 +69,7 @@ static int arizona_gpio_direction_out(struct gpio_chip *chip,
static void arizona_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{
- struct arizona_gpio *arizona_gpio = to_arizona_gpio(chip);
+ struct arizona_gpio *arizona_gpio = gpiochip_get_data(chip);
struct arizona *arizona = arizona_gpio->arizona;
if (value)
@@ -133,7 +128,7 @@ static int arizona_gpio_probe(struct platform_device *pdev)
else
arizona_gpio->gpio_chip.base = -1;
- ret = gpiochip_add(&arizona_gpio->gpio_chip);
+ ret = gpiochip_add_data(&arizona_gpio->gpio_chip, arizona_gpio);
if (ret < 0) {
dev_err(&pdev->dev, "Could not register gpiochip, %d\n",
ret);