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>
diff --git a/drivers/gpio/gpio-xgene.c b/drivers/gpio/gpio-xgene.c
index b8ceb718..592e9cd 100644
--- a/drivers/gpio/gpio-xgene.c
+++ b/drivers/gpio/gpio-xgene.c
@@ -47,14 +47,9 @@
#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 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)
{
- 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 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_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 @@
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");