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gpio: sch: 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: Chang Rebecca Swee Fun <rebecca.swee.fun.chang@intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2015-12-07 14:21:49 +01:00
Родитель ff4cd029c1
Коммит 737c8fccf1
1 изменённых файлов: 6 добавлений и 8 удалений
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14
drivers/gpio/gpio-sch.c
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@ -41,8 +41,6 @@ struct sch_gpio {
unsigned short resume_base;
};
#define to_sch_gpio(gc) container_of(gc, struct sch_gpio, chip)
static unsigned sch_gpio_offset(struct sch_gpio *sch, unsigned gpio,
unsigned reg)
{
@ -65,7 +63,7 @@ static unsigned sch_gpio_bit(struct sch_gpio *sch, unsigned gpio)
static int sch_gpio_reg_get(struct gpio_chip *gc, unsigned gpio, unsigned reg)
{
struct sch_gpio *sch = to_sch_gpio(gc);
struct sch_gpio *sch = gpiochip_get_data(gc);
unsigned short offset, bit;
u8 reg_val;
@ -80,7 +78,7 @@ static int sch_gpio_reg_get(struct gpio_chip *gc, unsigned gpio, unsigned reg)
static void sch_gpio_reg_set(struct gpio_chip *gc, unsigned gpio, unsigned reg,
int val)
{
struct sch_gpio *sch = to_sch_gpio(gc);
struct sch_gpio *sch = gpiochip_get_data(gc);
unsigned short offset, bit;
u8 reg_val;
@ -97,7 +95,7 @@ static void sch_gpio_reg_set(struct gpio_chip *gc, unsigned gpio, unsigned reg,
static int sch_gpio_direction_in(struct gpio_chip *gc, unsigned gpio_num)
{
struct sch_gpio *sch = to_sch_gpio(gc);
struct sch_gpio *sch = gpiochip_get_data(gc);
spin_lock(&sch->lock);
sch_gpio_reg_set(gc, gpio_num, GIO, 1);
@ -112,7 +110,7 @@ static int sch_gpio_get(struct gpio_chip *gc, unsigned gpio_num)
static void sch_gpio_set(struct gpio_chip *gc, unsigned gpio_num, int val)
{
struct sch_gpio *sch = to_sch_gpio(gc);
struct sch_gpio *sch = gpiochip_get_data(gc);
spin_lock(&sch->lock);
sch_gpio_reg_set(gc, gpio_num, GLV, val);
@ -122,7 +120,7 @@ static void sch_gpio_set(struct gpio_chip *gc, unsigned gpio_num, int val)
static int sch_gpio_direction_out(struct gpio_chip *gc, unsigned gpio_num,
int val)
{
struct sch_gpio *sch = to_sch_gpio(gc);
struct sch_gpio *sch = gpiochip_get_data(gc);
spin_lock(&sch->lock);
sch_gpio_reg_set(gc, gpio_num, GIO, 0);
@ -217,7 +215,7 @@ static int sch_gpio_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, sch);
return gpiochip_add(&sch->chip);
return gpiochip_add_data(&sch->chip, sch);
}
static int sch_gpio_remove(struct platform_device *pdev)