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gpio: amdpt: use gpiochip data pointer

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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: YD Tseng <ltyu101@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2015-12-04 15:29:41 +01:00
parent 57683ec203
commit fb7228879a
1 changed files with 7 additions and 9 deletions
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16
drivers/gpio/gpio-amdpt.c
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@ -31,11 +31,9 @@ struct pt_gpio_chip {
spinlock_t lock;
};
#define to_pt_gpio(c) container_of(c, struct pt_gpio_chip, gc)
static int pt_gpio_request(struct gpio_chip *gc, unsigned offset)
{
struct pt_gpio_chip *pt_gpio = to_pt_gpio(gc);
struct pt_gpio_chip *pt_gpio = gpiochip_get_data(gc);
unsigned long flags;
u32 using_pins;
@ -60,7 +58,7 @@ static int pt_gpio_request(struct gpio_chip *gc, unsigned offset)
static void pt_gpio_free(struct gpio_chip *gc, unsigned offset)
{
struct pt_gpio_chip *pt_gpio = to_pt_gpio(gc);
struct pt_gpio_chip *pt_gpio = gpiochip_get_data(gc);
unsigned long flags;
u32 using_pins;
@ -77,7 +75,7 @@ static void pt_gpio_free(struct gpio_chip *gc, unsigned offset)
static void pt_gpio_set_value(struct gpio_chip *gc, unsigned offset, int value)
{
struct pt_gpio_chip *pt_gpio = to_pt_gpio(gc);
struct pt_gpio_chip *pt_gpio = gpiochip_get_data(gc);
unsigned long flags;
u32 data;
@ -97,7 +95,7 @@ static void pt_gpio_set_value(struct gpio_chip *gc, unsigned offset, int value)
static int pt_gpio_get_value(struct gpio_chip *gc, unsigned offset)
{
struct pt_gpio_chip *pt_gpio = to_pt_gpio(gc);
struct pt_gpio_chip *pt_gpio = gpiochip_get_data(gc);
unsigned long flags;
u32 data;
@ -124,7 +122,7 @@ static int pt_gpio_get_value(struct gpio_chip *gc, unsigned offset)
static int pt_gpio_direction_input(struct gpio_chip *gc, unsigned offset)
{
struct pt_gpio_chip *pt_gpio = to_pt_gpio(gc);
struct pt_gpio_chip *pt_gpio = gpiochip_get_data(gc);
unsigned long flags;
u32 data;
@ -144,7 +142,7 @@ static int pt_gpio_direction_input(struct gpio_chip *gc, unsigned offset)
static int pt_gpio_direction_output(struct gpio_chip *gc,
unsigned offset, int value)
{
struct pt_gpio_chip *pt_gpio = to_pt_gpio(gc);
struct pt_gpio_chip *pt_gpio = gpiochip_get_data(gc);
unsigned long flags;
u32 data;
@ -214,7 +212,7 @@ static int pt_gpio_probe(struct platform_device *pdev)
#if defined(CONFIG_OF_GPIO)
pt_gpio->gc.of_node = pdev->dev.of_node;
#endif
ret = gpiochip_add(&pt_gpio->gc);
ret = gpiochip_add_data(&pt_gpio->gc, pt_gpio);
if (ret) {
dev_err(&pdev->dev, "Failed to register GPIO lib\n");
return ret;