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authorLinus Walleij <linus.walleij@linaro.org>2015-12-07 16:08:12 +0300
committerLinus Walleij <linus.walleij@linaro.org>2016-01-05 13:21:12 +0300
commitd660c68eb5b24051a4765d473765d9021a720975 (patch)
treec4e692f0fbdae8589347ed6be951974ca56494bc /drivers/gpio/gpio-rc5t583.c
parent81d0c31d11846f282f08ff81219ff6b7230a78b1 (diff)
downloadlinux-d660c68eb5b24051a4765d473765d9021a720975.tar.xz
gpio: rc5t583: 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(). Acked-by: Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-rc5t583.c')
-rw-r--r--drivers/gpio/gpio-rc5t583.c19
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/gpio/gpio-rc5t583.c b/drivers/gpio/gpio-rc5t583.c
index f26d9f7d8cdd..1e2d210b3369 100644
--- a/drivers/gpio/gpio-rc5t583.c
+++ b/drivers/gpio/gpio-rc5t583.c
@@ -34,14 +34,9 @@ struct rc5t583_gpio {
struct rc5t583 *rc5t583;
};
-static inline struct rc5t583_gpio *to_rc5t583_gpio(struct gpio_chip *chip)
-{
- return container_of(chip, struct rc5t583_gpio, gpio_chip);
-}
-
static int rc5t583_gpio_get(struct gpio_chip *gc, unsigned int offset)
{
- struct rc5t583_gpio *rc5t583_gpio = to_rc5t583_gpio(gc);
+ struct rc5t583_gpio *rc5t583_gpio = gpiochip_get_data(gc);
struct device *parent = rc5t583_gpio->rc5t583->dev;
uint8_t val = 0;
int ret;
@@ -55,7 +50,7 @@ static int rc5t583_gpio_get(struct gpio_chip *gc, unsigned int offset)
static void rc5t583_gpio_set(struct gpio_chip *gc, unsigned int offset, int val)
{
- struct rc5t583_gpio *rc5t583_gpio = to_rc5t583_gpio(gc);
+ struct rc5t583_gpio *rc5t583_gpio = gpiochip_get_data(gc);
struct device *parent = rc5t583_gpio->rc5t583->dev;
if (val)
rc5t583_set_bits(parent, RC5T583_GPIO_IOOUT, BIT(offset));
@@ -65,7 +60,7 @@ static void rc5t583_gpio_set(struct gpio_chip *gc, unsigned int offset, int val)
static int rc5t583_gpio_dir_input(struct gpio_chip *gc, unsigned int offset)
{
- struct rc5t583_gpio *rc5t583_gpio = to_rc5t583_gpio(gc);
+ struct rc5t583_gpio *rc5t583_gpio = gpiochip_get_data(gc);
struct device *parent = rc5t583_gpio->rc5t583->dev;
int ret;
@@ -80,7 +75,7 @@ static int rc5t583_gpio_dir_input(struct gpio_chip *gc, unsigned int offset)
static int rc5t583_gpio_dir_output(struct gpio_chip *gc, unsigned offset,
int value)
{
- struct rc5t583_gpio *rc5t583_gpio = to_rc5t583_gpio(gc);
+ struct rc5t583_gpio *rc5t583_gpio = gpiochip_get_data(gc);
struct device *parent = rc5t583_gpio->rc5t583->dev;
int ret;
@@ -95,7 +90,7 @@ static int rc5t583_gpio_dir_output(struct gpio_chip *gc, unsigned offset,
static int rc5t583_gpio_to_irq(struct gpio_chip *gc, unsigned offset)
{
- struct rc5t583_gpio *rc5t583_gpio = to_rc5t583_gpio(gc);
+ struct rc5t583_gpio *rc5t583_gpio = gpiochip_get_data(gc);
if (offset < RC5T583_MAX_GPIO)
return rc5t583_gpio->rc5t583->irq_base +
@@ -105,7 +100,7 @@ static int rc5t583_gpio_to_irq(struct gpio_chip *gc, unsigned offset)
static void rc5t583_gpio_free(struct gpio_chip *gc, unsigned offset)
{
- struct rc5t583_gpio *rc5t583_gpio = to_rc5t583_gpio(gc);
+ struct rc5t583_gpio *rc5t583_gpio = gpiochip_get_data(gc);
struct device *parent = rc5t583_gpio->rc5t583->dev;
rc5t583_set_bits(parent, RC5T583_GPIO_PGSEL, BIT(offset));
@@ -141,7 +136,7 @@ static int rc5t583_gpio_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, rc5t583_gpio);
- return gpiochip_add(&rc5t583_gpio->gpio_chip);
+ return gpiochip_add_data(&rc5t583_gpio->gpio_chip, rc5t583_gpio);
}
static int rc5t583_gpio_remove(struct platform_device *pdev)