gpio: syscon: 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: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpio/gpio-syscon.c b/drivers/gpio/gpio-syscon.c
index 333d5af..e5c5b62 100644
--- a/drivers/gpio/gpio-syscon.c
+++ b/drivers/gpio/gpio-syscon.c
@@ -59,14 +59,9 @@
u32 dir_reg_offset;
};
-static inline struct syscon_gpio_priv *to_syscon_gpio(struct gpio_chip *chip)
-{
- return container_of(chip, struct syscon_gpio_priv, chip);
-}
-
static int syscon_gpio_get(struct gpio_chip *chip, unsigned offset)
{
- struct syscon_gpio_priv *priv = to_syscon_gpio(chip);
+ struct syscon_gpio_priv *priv = gpiochip_get_data(chip);
unsigned int val, offs;
int ret;
@@ -82,7 +77,7 @@
static void syscon_gpio_set(struct gpio_chip *chip, unsigned offset, int val)
{
- struct syscon_gpio_priv *priv = to_syscon_gpio(chip);
+ struct syscon_gpio_priv *priv = gpiochip_get_data(chip);
unsigned int offs;
offs = priv->dreg_offset + priv->data->dat_bit_offset + offset;
@@ -95,7 +90,7 @@
static int syscon_gpio_dir_in(struct gpio_chip *chip, unsigned offset)
{
- struct syscon_gpio_priv *priv = to_syscon_gpio(chip);
+ struct syscon_gpio_priv *priv = gpiochip_get_data(chip);
if (priv->data->flags & GPIO_SYSCON_FEAT_DIR) {
unsigned int offs;
@@ -113,7 +108,7 @@
static int syscon_gpio_dir_out(struct gpio_chip *chip, unsigned offset, int val)
{
- struct syscon_gpio_priv *priv = to_syscon_gpio(chip);
+ struct syscon_gpio_priv *priv = gpiochip_get_data(chip);
if (priv->data->flags & GPIO_SYSCON_FEAT_DIR) {
unsigned int offs;
@@ -144,7 +139,7 @@
static void keystone_gpio_set(struct gpio_chip *chip, unsigned offset, int val)
{
- struct syscon_gpio_priv *priv = to_syscon_gpio(chip);
+ struct syscon_gpio_priv *priv = gpiochip_get_data(chip);
unsigned int offs;
int ret;
@@ -243,7 +238,7 @@
platform_set_drvdata(pdev, priv);
- return gpiochip_add(&priv->chip);
+ return gpiochip_add_data(&priv->chip, priv);
}
static int syscon_gpio_remove(struct platform_device *pdev)