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authorLinus Walleij <linus.walleij@linaro.org>2015-12-07 16:21:49 +0300
committerLinus Walleij <linus.walleij@linaro.org>2016-01-05 13:21:13 +0300
commit737c8fccf1c5b2aae3c6d9a66dce17e35fc39b71 (patch)
tree57a45f13b07948873b1096e0732b6b8cd7e9069b /drivers/gpio/gpio-sch.c
parentff4cd029c184f5dabdfe9e115bf657ebd6a2c0f3 (diff)
downloadlinux-737c8fccf1c5b2aae3c6d9a66dce17e35fc39b71.tar.xz
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>
Diffstat (limited to 'drivers/gpio/gpio-sch.c')
-rw-r--r--drivers/gpio/gpio-sch.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/gpio/gpio-sch.c b/drivers/gpio/gpio-sch.c
index a8a333ade9aa..5314ee4b947d 100644
--- a/drivers/gpio/gpio-sch.c
+++ b/drivers/gpio/gpio-sch.c
@@ -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)