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authorLinus Walleij <linus.walleij@linaro.org>2015-12-04 15:26:35 +0100
committerLinus Walleij <linus.walleij@linaro.org>2016-01-05 11:21:02 +0100
commit57683ec203a642e8fc8befac94c8341d237f5d54 (patch)
tree58250b07f5b040e40eb1c9e5eaf668d925311352 /drivers/gpio/gpio-amd8111.c
parentgpio: altera: use gpiochip data pointer (diff)
downloadlinux-57683ec203a642e8fc8befac94c8341d237f5d54.tar.xz
linux-57683ec203a642e8fc8befac94c8341d237f5d54.zip
gpio: amd8111: 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: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-amd8111.c')
-rw-r--r--drivers/gpio/gpio-amd8111.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/gpio/gpio-amd8111.c b/drivers/gpio/gpio-amd8111.c
index 5c378e9f53a0..c7040fffc5b4 100644
--- a/drivers/gpio/gpio-amd8111.c
+++ b/drivers/gpio/gpio-amd8111.c
@@ -75,11 +75,9 @@ struct amd_gpio {
u8 orig[32];
};
-#define to_agp(chip) container_of(chip, struct amd_gpio, chip)
-
static int amd_gpio_request(struct gpio_chip *chip, unsigned offset)
{
- struct amd_gpio *agp = to_agp(chip);
+ struct amd_gpio *agp = gpiochip_get_data(chip);
agp->orig[offset] = ioread8(agp->pm + AMD_REG_GPIO(offset)) &
(AMD_GPIO_DEBOUNCE | AMD_GPIO_MODE_MASK | AMD_GPIO_X_MASK);
@@ -91,7 +89,7 @@ static int amd_gpio_request(struct gpio_chip *chip, unsigned offset)
static void amd_gpio_free(struct gpio_chip *chip, unsigned offset)
{
- struct amd_gpio *agp = to_agp(chip);
+ struct amd_gpio *agp = gpiochip_get_data(chip);
dev_dbg(&agp->pdev->dev, "Freed gpio %d, data %x\n", offset, agp->orig[offset]);
@@ -100,7 +98,7 @@ static void amd_gpio_free(struct gpio_chip *chip, unsigned offset)
static void amd_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{
- struct amd_gpio *agp = to_agp(chip);
+ struct amd_gpio *agp = gpiochip_get_data(chip);
u8 temp;
unsigned long flags;
@@ -115,7 +113,7 @@ static void amd_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
static int amd_gpio_get(struct gpio_chip *chip, unsigned offset)
{
- struct amd_gpio *agp = to_agp(chip);
+ struct amd_gpio *agp = gpiochip_get_data(chip);
u8 temp;
temp = ioread8(agp->pm + AMD_REG_GPIO(offset));
@@ -127,7 +125,7 @@ static int amd_gpio_get(struct gpio_chip *chip, unsigned offset)
static int amd_gpio_dirout(struct gpio_chip *chip, unsigned offset, int value)
{
- struct amd_gpio *agp = to_agp(chip);
+ struct amd_gpio *agp = gpiochip_get_data(chip);
u8 temp;
unsigned long flags;
@@ -144,7 +142,7 @@ static int amd_gpio_dirout(struct gpio_chip *chip, unsigned offset, int value)
static int amd_gpio_dirin(struct gpio_chip *chip, unsigned offset)
{
- struct amd_gpio *agp = to_agp(chip);
+ struct amd_gpio *agp = gpiochip_get_data(chip);
u8 temp;
unsigned long flags;
@@ -225,7 +223,7 @@ found:
spin_lock_init(&gp.lock);
printk(KERN_INFO "AMD-8111 GPIO detected\n");
- err = gpiochip_add(&gp.chip);
+ err = gpiochip_add_data(&gp.chip, &gp);
if (err) {
printk(KERN_ERR "GPIO registering failed (%d)\n",
err);