diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2015-12-07 15:11:34 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2016-01-05 11:21:18 +0100 |
| commit | 9b3c817b529e0bbe0d5a0a45e86e8647a729640c (patch) | |
| tree | 1f7aa752029827a98c360dae842433a6f88dd564 /drivers/gpio | |
| parent | 9355879ea42b84914ab27064df6760b2a7db0883 (diff) | |
| download | linux-9b3c817b529e0bbe0d5a0a45e86e8647a729640c.tar.bz2 | |
gpio: wm831x: 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>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpio-wm831x.c | 21 |
1 files changed, 8 insertions, 13 deletions
diff --git a/drivers/gpio/gpio-wm831x.c b/drivers/gpio/gpio-wm831x.c index 2e73e4b52c69..98390070fb64 100644 --- a/drivers/gpio/gpio-wm831x.c +++ b/drivers/gpio/gpio-wm831x.c @@ -30,14 +30,9 @@ struct wm831x_gpio { struct gpio_chip gpio_chip; }; -static inline struct wm831x_gpio *to_wm831x_gpio(struct gpio_chip *chip) -{ - return container_of(chip, struct wm831x_gpio, gpio_chip); -} - static int wm831x_gpio_direction_in(struct gpio_chip *chip, unsigned offset) { - struct wm831x_gpio *wm831x_gpio = to_wm831x_gpio(chip); + struct wm831x_gpio *wm831x_gpio = gpiochip_get_data(chip); struct wm831x *wm831x = wm831x_gpio->wm831x; int val = WM831X_GPN_DIR; @@ -51,7 +46,7 @@ static int wm831x_gpio_direction_in(struct gpio_chip *chip, unsigned offset) static int wm831x_gpio_get(struct gpio_chip *chip, unsigned offset) { - struct wm831x_gpio *wm831x_gpio = to_wm831x_gpio(chip); + struct wm831x_gpio *wm831x_gpio = gpiochip_get_data(chip); struct wm831x *wm831x = wm831x_gpio->wm831x; int ret; @@ -67,7 +62,7 @@ static int wm831x_gpio_get(struct gpio_chip *chip, unsigned offset) static void wm831x_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { - struct wm831x_gpio *wm831x_gpio = to_wm831x_gpio(chip); + struct wm831x_gpio *wm831x_gpio = gpiochip_get_data(chip); struct wm831x *wm831x = wm831x_gpio->wm831x; wm831x_set_bits(wm831x, WM831X_GPIO_LEVEL, 1 << offset, @@ -77,7 +72,7 @@ static void wm831x_gpio_set(struct gpio_chip *chip, unsigned offset, int value) static int wm831x_gpio_direction_out(struct gpio_chip *chip, unsigned offset, int value) { - struct wm831x_gpio *wm831x_gpio = to_wm831x_gpio(chip); + struct wm831x_gpio *wm831x_gpio = gpiochip_get_data(chip); struct wm831x *wm831x = wm831x_gpio->wm831x; int val = 0; int ret; @@ -99,7 +94,7 @@ static int wm831x_gpio_direction_out(struct gpio_chip *chip, static int wm831x_gpio_to_irq(struct gpio_chip *chip, unsigned offset) { - struct wm831x_gpio *wm831x_gpio = to_wm831x_gpio(chip); + struct wm831x_gpio *wm831x_gpio = gpiochip_get_data(chip); struct wm831x *wm831x = wm831x_gpio->wm831x; return irq_create_mapping(wm831x->irq_domain, @@ -109,7 +104,7 @@ static int wm831x_gpio_to_irq(struct gpio_chip *chip, unsigned offset) static int wm831x_gpio_set_debounce(struct gpio_chip *chip, unsigned offset, unsigned debounce) { - struct wm831x_gpio *wm831x_gpio = to_wm831x_gpio(chip); + struct wm831x_gpio *wm831x_gpio = gpiochip_get_data(chip); struct wm831x *wm831x = wm831x_gpio->wm831x; int reg = WM831X_GPIO1_CONTROL + offset; int ret, fn; @@ -140,7 +135,7 @@ static int wm831x_gpio_set_debounce(struct gpio_chip *chip, unsigned offset, #ifdef CONFIG_DEBUG_FS static void wm831x_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip) { - struct wm831x_gpio *wm831x_gpio = to_wm831x_gpio(chip); + struct wm831x_gpio *wm831x_gpio = gpiochip_get_data(chip); struct wm831x *wm831x = wm831x_gpio->wm831x; int i, tristated; @@ -264,7 +259,7 @@ static int wm831x_gpio_probe(struct platform_device *pdev) else wm831x_gpio->gpio_chip.base = -1; - ret = gpiochip_add(&wm831x_gpio->gpio_chip); + ret = gpiochip_add_data(&wm831x_gpio->gpio_chip, wm831x_gpio); if (ret < 0) { dev_err(&pdev->dev, "Could not register gpiochip, %d\n", ret); return ret; |