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authorLinus Walleij <linus.walleij@linaro.org>2015-12-07 10:25:36 +0100
committerLinus Walleij <linus.walleij@linaro.org>2016-01-05 11:21:08 +0100
commit837c2705a3d5adca3ff5532d9cb6215803bea5f2 (patch)
treebffab3b1c146f40a99166068d972ec2135bec966
parent6aa7dbfa28775189c53f6ac7f1bc4adf76c9d2ec (diff)
gpio: mpc5200: 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(). Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
-rw-r--r--drivers/gpio/gpio-mpc5200.c22
1 files changed, 8 insertions, 14 deletions
diff --git a/drivers/gpio/gpio-mpc5200.c b/drivers/gpio/gpio-mpc5200.c
index 044bbbb747f2..0e5a6709f27d 100644
--- a/drivers/gpio/gpio-mpc5200.c
+++ b/drivers/gpio/gpio-mpc5200.c
@@ -71,8 +71,7 @@ static inline void
__mpc52xx_wkup_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val)
{
struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
- struct mpc52xx_gpiochip *chip = container_of(mm_gc,
- struct mpc52xx_gpiochip, mmchip);
+ struct mpc52xx_gpiochip *chip = gpiochip_get_data(gc);
struct mpc52xx_gpio_wkup __iomem *regs = mm_gc->regs;
if (val)
@@ -100,8 +99,7 @@ mpc52xx_wkup_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val)
static int mpc52xx_wkup_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio)
{
struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
- struct mpc52xx_gpiochip *chip = container_of(mm_gc,
- struct mpc52xx_gpiochip, mmchip);
+ struct mpc52xx_gpiochip *chip = gpiochip_get_data(gc);
struct mpc52xx_gpio_wkup __iomem *regs = mm_gc->regs;
unsigned long flags;
@@ -125,8 +123,7 @@ mpc52xx_wkup_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
{
struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
struct mpc52xx_gpio_wkup __iomem *regs = mm_gc->regs;
- struct mpc52xx_gpiochip *chip = container_of(mm_gc,
- struct mpc52xx_gpiochip, mmchip);
+ struct mpc52xx_gpiochip *chip = gpiochip_get_data(gc);
unsigned long flags;
spin_lock_irqsave(&gpio_lock, flags);
@@ -169,7 +166,7 @@ static int mpc52xx_wkup_gpiochip_probe(struct platform_device *ofdev)
gc->get = mpc52xx_wkup_gpio_get;
gc->set = mpc52xx_wkup_gpio_set;
- ret = of_mm_gpiochip_add(ofdev->dev.of_node, &chip->mmchip);
+ ret = of_mm_gpiochip_add_data(ofdev->dev.of_node, &chip->mmchip, chip);
if (ret)
return ret;
@@ -236,8 +233,7 @@ static inline void
__mpc52xx_simple_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val)
{
struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
- struct mpc52xx_gpiochip *chip = container_of(mm_gc,
- struct mpc52xx_gpiochip, mmchip);
+ struct mpc52xx_gpiochip *chip = gpiochip_get_data(gc);
struct mpc52xx_gpio __iomem *regs = mm_gc->regs;
if (val)
@@ -264,8 +260,7 @@ mpc52xx_simple_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val)
static int mpc52xx_simple_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio)
{
struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
- struct mpc52xx_gpiochip *chip = container_of(mm_gc,
- struct mpc52xx_gpiochip, mmchip);
+ struct mpc52xx_gpiochip *chip = gpiochip_get_data(gc);
struct mpc52xx_gpio __iomem *regs = mm_gc->regs;
unsigned long flags;
@@ -288,8 +283,7 @@ static int
mpc52xx_simple_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
{
struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
- struct mpc52xx_gpiochip *chip = container_of(mm_gc,
- struct mpc52xx_gpiochip, mmchip);
+ struct mpc52xx_gpiochip *chip = gpiochip_get_data(gc);
struct mpc52xx_gpio __iomem *regs = mm_gc->regs;
unsigned long flags;
@@ -334,7 +328,7 @@ static int mpc52xx_simple_gpiochip_probe(struct platform_device *ofdev)
gc->get = mpc52xx_simple_gpio_get;
gc->set = mpc52xx_simple_gpio_set;
- ret = of_mm_gpiochip_add(ofdev->dev.of_node, &chip->mmchip);
+ ret = of_mm_gpiochip_add_data(ofdev->dev.of_node, &chip->mmchip, chip);
if (ret)
return ret;