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authorLinus Walleij <linus.walleij@linaro.org>2015-12-07 17:16:50 +0300
committerLinus Walleij <linus.walleij@linaro.org>2016-01-05 13:21:19 +0300
commitac9dc85eeaf2e8f19a1846979c4dc700d4fb54dc (patch)
tree725e9da3fe950cf6473768c9e466dff236d97106 /drivers/gpio/gpio-xgene.c
parent765aa58778a5726a026a72773dda4d97036d3d1d (diff)
downloadlinux-ac9dc85eeaf2e8f19a1846979c4dc700d4fb54dc.tar.xz
gpio: xgene: 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: Feng Kan <fkan@apm.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-xgene.c')
-rw-r--r--drivers/gpio/gpio-xgene.c17
1 files changed, 6 insertions, 11 deletions
diff --git a/drivers/gpio/gpio-xgene.c b/drivers/gpio/gpio-xgene.c
index b8ceb71885f6..592e9cdf9c53 100644
--- a/drivers/gpio/gpio-xgene.c
+++ b/drivers/gpio/gpio-xgene.c
@@ -47,14 +47,9 @@ struct xgene_gpio {
#endif
};
-static inline struct xgene_gpio *to_xgene_gpio(struct gpio_chip *chip)
-{
- return container_of(chip, struct xgene_gpio, chip);
-}
-
static int xgene_gpio_get(struct gpio_chip *gc, unsigned int offset)
{
- struct xgene_gpio *chip = to_xgene_gpio(gc);
+ struct xgene_gpio *chip = gpiochip_get_data(gc);
unsigned long bank_offset;
u32 bit_offset;
@@ -65,7 +60,7 @@ static int xgene_gpio_get(struct gpio_chip *gc, unsigned int offset)
static void __xgene_gpio_set(struct gpio_chip *gc, unsigned int offset, int val)
{
- struct xgene_gpio *chip = to_xgene_gpio(gc);
+ struct xgene_gpio *chip = gpiochip_get_data(gc);
unsigned long bank_offset;
u32 setval, bit_offset;
@@ -82,7 +77,7 @@ static void __xgene_gpio_set(struct gpio_chip *gc, unsigned int offset, int val)
static void xgene_gpio_set(struct gpio_chip *gc, unsigned int offset, int val)
{
- struct xgene_gpio *chip = to_xgene_gpio(gc);
+ struct xgene_gpio *chip = gpiochip_get_data(gc);
unsigned long flags;
spin_lock_irqsave(&chip->lock, flags);
@@ -92,7 +87,7 @@ static void xgene_gpio_set(struct gpio_chip *gc, unsigned int offset, int val)
static int xgene_gpio_dir_in(struct gpio_chip *gc, unsigned int offset)
{
- struct xgene_gpio *chip = to_xgene_gpio(gc);
+ struct xgene_gpio *chip = gpiochip_get_data(gc);
unsigned long flags, bank_offset;
u32 dirval, bit_offset;
@@ -113,7 +108,7 @@ static int xgene_gpio_dir_in(struct gpio_chip *gc, unsigned int offset)
static int xgene_gpio_dir_out(struct gpio_chip *gc,
unsigned int offset, int val)
{
- struct xgene_gpio *chip = to_xgene_gpio(gc);
+ struct xgene_gpio *chip = gpiochip_get_data(gc);
unsigned long flags, bank_offset;
u32 dirval, bit_offset;
@@ -198,7 +193,7 @@ static int xgene_gpio_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, gpio);
- err = gpiochip_add(&gpio->chip);
+ err = gpiochip_add_data(&gpio->chip, gpio);
if (err) {
dev_err(&pdev->dev,
"failed to register gpiochip.\n");