diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2015-12-07 14:16:19 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2016-01-05 11:21:12 +0100 |
| commit | 78132252cc4c6cecec25491a7bcfb6567bf29147 (patch) | |
| tree | d223db471b16918a25e2d966ea381f67f3f87f68 /drivers/gpio/gpio-rdc321x.c | |
| parent | gpio: rcar: use gpiochip data pointer (diff) | |
| download | linux-78132252cc4c6cecec25491a7bcfb6567bf29147.tar.xz linux-78132252cc4c6cecec25491a7bcfb6567bf29147.zip | |
gpio: rdc321x: 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().
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-rdc321x.c')
| -rw-r--r-- | drivers/gpio/gpio-rdc321x.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/gpio/gpio-rdc321x.c b/drivers/gpio/gpio-rdc321x.c index d729bc8a554d..96ddee3f464a 100644 --- a/drivers/gpio/gpio-rdc321x.c +++ b/drivers/gpio/gpio-rdc321x.c @@ -47,7 +47,7 @@ static int rdc_gpio_get_value(struct gpio_chip *chip, unsigned gpio) u32 value = 0; int reg; - gpch = container_of(chip, struct rdc321x_gpio, chip); + gpch = gpiochip_get_data(chip); reg = gpio < 32 ? gpch->reg1_data_base : gpch->reg2_data_base; spin_lock(&gpch->lock); @@ -65,7 +65,7 @@ static void rdc_gpio_set_value_impl(struct gpio_chip *chip, struct rdc321x_gpio *gpch; int reg = (gpio < 32) ? 0 : 1; - gpch = container_of(chip, struct rdc321x_gpio, chip); + gpch = gpiochip_get_data(chip); if (value) gpch->data_reg[reg] |= 1 << (gpio & 0x1f); @@ -83,7 +83,7 @@ static void rdc_gpio_set_value(struct gpio_chip *chip, { struct rdc321x_gpio *gpch; - gpch = container_of(chip, struct rdc321x_gpio, chip); + gpch = gpiochip_get_data(chip); spin_lock(&gpch->lock); rdc_gpio_set_value_impl(chip, gpio, value); spin_unlock(&gpch->lock); @@ -96,7 +96,7 @@ static int rdc_gpio_config(struct gpio_chip *chip, int err; u32 reg; - gpch = container_of(chip, struct rdc321x_gpio, chip); + gpch = gpiochip_get_data(chip); spin_lock(&gpch->lock); err = pci_read_config_dword(gpch->sb_pdev, gpio < 32 ? @@ -194,7 +194,7 @@ static int rdc321x_gpio_probe(struct platform_device *pdev) dev_info(&pdev->dev, "registering %d GPIOs\n", rdc321x_gpio_dev->chip.ngpio); - return gpiochip_add(&rdc321x_gpio_dev->chip); + return gpiochip_add_data(&rdc321x_gpio_dev->chip, rdc321x_gpio_dev); } static int rdc321x_gpio_remove(struct platform_device *pdev) |