diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2015-12-07 17:13:39 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2016-01-05 13:21:18 +0300 |
| commit | dfcdf7214ec921d792d93a4f5602da2073043073 (patch) | |
| tree | 02dd41d1dc2b6bc3e0edddbae278972390bd0528 | |
| parent | 9b3c817b529e0bbe0d5a0a45e86e8647a729640c (diff) | |
| download | linux-dfcdf7214ec921d792d93a4f5602da2073043073.tar.xz | |
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>
| -rw-r--r-- | drivers/gpio/gpio-wm8350.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/drivers/gpio/gpio-wm8350.c b/drivers/gpio/gpio-wm8350.c index 1e3d8da61ff3..0a306b4baa73 100644 --- a/drivers/gpio/gpio-wm8350.c +++ b/drivers/gpio/gpio-wm8350.c @@ -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; |