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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>
hifive-unleashed-5.1
Linus Walleij 2015-12-07 14:38:36 +01:00
parent 5b90b8c217
commit d27ad7a833
1 changed files with 6 additions and 11 deletions
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17
drivers/gpio/gpio-syscon.c
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@ -59,14 +59,9 @@ struct syscon_gpio_priv {
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 int syscon_gpio_get(struct gpio_chip *chip, unsigned offset)
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 void syscon_gpio_set(struct gpio_chip *chip, unsigned offset, int val)
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_in(struct gpio_chip *chip, unsigned offset)
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 const struct syscon_gpio_data clps711x_mctrl_gpio = {
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 @@ static int syscon_gpio_probe(struct platform_device *pdev)
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)