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>
diff --git a/drivers/gpio/gpio-sch.c b/drivers/gpio/gpio-sch.c
index a8a333ad..5314ee4 100644
--- a/drivers/gpio/gpio-sch.c
+++ b/drivers/gpio/gpio-sch.c
@@ -41,8 +41,6 @@
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 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 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 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 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 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 @@
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)