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authorLinus Walleij <linus.walleij@linaro.org>2015-12-04 15:29:41 +0100
committerLinus Walleij <linus.walleij@linaro.org>2016-01-05 11:21:02 +0100
commitfb7228879a5a6552c9cd91561ca7c9b565a102aa (patch)
tree98b0c864b2ccdf2bcfb84187dfb623b91e0b47aa /drivers/gpio/gpio-amdpt.c
parent57683ec203a642e8fc8befac94c8341d237f5d54 (diff)
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: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-amdpt.c')
-rw-r--r--drivers/gpio/gpio-amdpt.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/gpio/gpio-amdpt.c b/drivers/gpio/gpio-amdpt.c
index f842ccc45e64..c2484046e8e9 100644
--- a/drivers/gpio/gpio-amdpt.c
+++ b/drivers/gpio/gpio-amdpt.c
@@ -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;