diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2015-12-07 09:06:22 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2016-01-05 11:21:06 +0100 |
| commit | 1f89bccd7fe4f27b05b6404f24a35dcc5426817d (patch) | |
| tree | d57487bf4619dbc873f694b8d921c0793c9fbfa8 /drivers/gpio/gpio-kempld.c | |
| parent | 0a38fd94c20e6636c22630200a9cece122a89f0e (diff) | |
gpio: kempld: 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: Brunner Michael <Michael.Brunner@kontron.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-kempld.c')
| -rw-r--r-- | drivers/gpio/gpio-kempld.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/drivers/gpio/gpio-kempld.c b/drivers/gpio/gpio-kempld.c index 297f849af725..01117747b965 100644 --- a/drivers/gpio/gpio-kempld.c +++ b/drivers/gpio/gpio-kempld.c @@ -65,8 +65,7 @@ static int kempld_gpio_get_bit(struct kempld_device_data *pld, u8 reg, u8 bit) static int kempld_gpio_get(struct gpio_chip *chip, unsigned offset) { - struct kempld_gpio_data *gpio - = container_of(chip, struct kempld_gpio_data, chip); + struct kempld_gpio_data *gpio = gpiochip_get_data(chip); struct kempld_device_data *pld = gpio->pld; return !!kempld_gpio_get_bit(pld, KEMPLD_GPIO_LVL_NUM(offset), offset); @@ -74,8 +73,7 @@ static int kempld_gpio_get(struct gpio_chip *chip, unsigned offset) static void kempld_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { - struct kempld_gpio_data *gpio - = container_of(chip, struct kempld_gpio_data, chip); + struct kempld_gpio_data *gpio = gpiochip_get_data(chip); struct kempld_device_data *pld = gpio->pld; kempld_get_mutex(pld); @@ -85,8 +83,7 @@ static void kempld_gpio_set(struct gpio_chip *chip, unsigned offset, int value) static int kempld_gpio_direction_input(struct gpio_chip *chip, unsigned offset) { - struct kempld_gpio_data *gpio - = container_of(chip, struct kempld_gpio_data, chip); + struct kempld_gpio_data *gpio = gpiochip_get_data(chip); struct kempld_device_data *pld = gpio->pld; kempld_get_mutex(pld); @@ -99,8 +96,7 @@ static int kempld_gpio_direction_input(struct gpio_chip *chip, unsigned offset) static int kempld_gpio_direction_output(struct gpio_chip *chip, unsigned offset, int value) { - struct kempld_gpio_data *gpio - = container_of(chip, struct kempld_gpio_data, chip); + struct kempld_gpio_data *gpio = gpiochip_get_data(chip); struct kempld_device_data *pld = gpio->pld; kempld_get_mutex(pld); @@ -113,8 +109,7 @@ static int kempld_gpio_direction_output(struct gpio_chip *chip, unsigned offset, static int kempld_gpio_get_direction(struct gpio_chip *chip, unsigned offset) { - struct kempld_gpio_data *gpio - = container_of(chip, struct kempld_gpio_data, chip); + struct kempld_gpio_data *gpio = gpiochip_get_data(chip); struct kempld_device_data *pld = gpio->pld; return !kempld_gpio_get_bit(pld, KEMPLD_GPIO_DIR_NUM(offset), offset); @@ -183,7 +178,7 @@ static int kempld_gpio_probe(struct platform_device *pdev) return -ENODEV; } - ret = gpiochip_add(chip); + ret = gpiochip_add_data(chip, gpio); if (ret) { dev_err(dev, "Could not register GPIO chip\n"); return ret; |