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Commit fb722887 authored by Linus Walleij's avatar Linus Walleij
Browse files

gpio: amdpt: 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: YD Tseng <ltyu101@gmail.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 57683ec2

drivers/gpio/gpio-amdpt.c

+7 −9
Original line number Diff line number Diff line
@@ -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;