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authorLinus Walleij <linus.walleij@linaro.org>2015-12-07 14:16:19 +0100
committerLinus Walleij <linus.walleij@linaro.org>2016-01-05 11:21:12 +0100
commit78132252cc4c6cecec25491a7bcfb6567bf29147 (patch)
treed223db471b16918a25e2d966ea381f67f3f87f68 /drivers/gpio
parentgpio: rcar: use gpiochip data pointer (diff)
downloadlinux-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')
-rw-r--r--drivers/gpio/gpio-rdc321x.c10
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)