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gpio: wm8350: 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: patches@opensource.wolfsonmicro.com
Cc: Mark Brown <broonie@kernel.org>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2015-12-07 15:13:39 +01:00
Родитель 9b3c817b52
Коммит dfcdf7214e
1 изменённых файлов: 6 добавлений и 11 удалений
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17
drivers/gpio/gpio-wm8350.c
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@ -28,14 +28,9 @@ struct wm8350_gpio_data {
struct gpio_chip gpio_chip;
};
static inline struct wm8350_gpio_data *to_wm8350_gpio(struct gpio_chip *chip)
{
return container_of(chip, struct wm8350_gpio_data, gpio_chip);
}
static int wm8350_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
{
struct wm8350_gpio_data *wm8350_gpio = to_wm8350_gpio(chip);
struct wm8350_gpio_data *wm8350_gpio = gpiochip_get_data(chip);
struct wm8350 *wm8350 = wm8350_gpio->wm8350;
return wm8350_set_bits(wm8350, WM8350_GPIO_CONFIGURATION_I_O,
@ -44,7 +39,7 @@ static int wm8350_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
static int wm8350_gpio_get(struct gpio_chip *chip, unsigned offset)
{
struct wm8350_gpio_data *wm8350_gpio = to_wm8350_gpio(chip);
struct wm8350_gpio_data *wm8350_gpio = gpiochip_get_data(chip);
struct wm8350 *wm8350 = wm8350_gpio->wm8350;
int ret;
@ -60,7 +55,7 @@ static int wm8350_gpio_get(struct gpio_chip *chip, unsigned offset)
static void wm8350_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{
struct wm8350_gpio_data *wm8350_gpio = to_wm8350_gpio(chip);
struct wm8350_gpio_data *wm8350_gpio = gpiochip_get_data(chip);
struct wm8350 *wm8350 = wm8350_gpio->wm8350;
if (value)
@ -72,7 +67,7 @@ static void wm8350_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
static int wm8350_gpio_direction_out(struct gpio_chip *chip,
unsigned offset, int value)
{
struct wm8350_gpio_data *wm8350_gpio = to_wm8350_gpio(chip);
struct wm8350_gpio_data *wm8350_gpio = gpiochip_get_data(chip);
struct wm8350 *wm8350 = wm8350_gpio->wm8350;
int ret;
@ -89,7 +84,7 @@ static int wm8350_gpio_direction_out(struct gpio_chip *chip,
static int wm8350_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
{
struct wm8350_gpio_data *wm8350_gpio = to_wm8350_gpio(chip);
struct wm8350_gpio_data *wm8350_gpio = gpiochip_get_data(chip);
struct wm8350 *wm8350 = wm8350_gpio->wm8350;
if (!wm8350->irq_base)
@ -130,7 +125,7 @@ static int wm8350_gpio_probe(struct platform_device *pdev)
else
wm8350_gpio->gpio_chip.base = -1;
ret = gpiochip_add(&wm8350_gpio->gpio_chip);
ret = gpiochip_add_data(&wm8350_gpio->gpio_chip, wm8350_gpio);
if (ret < 0) {
dev_err(&pdev->dev, "Could not register gpiochip, %d\n", ret);
return ret;