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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>
hifive-unleashed-5.1
Linus Walleij 2015-12-07 10:25:36 +01:00
parent 6aa7dbfa28
commit 837c2705a3
1 changed files with 8 additions and 14 deletions
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22
drivers/gpio/gpio-mpc5200.c
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@ -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;