diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2015-12-08 16:39:20 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2016-01-07 00:11:30 +0100 |
| commit | dced14675818bc9627febcc3159ffc1a0d88199d (patch) | |
| tree | da367bebb6001685b9fa2c444ab83848a13a2e6d /drivers/leds/leds-pca9532.c | |
| parent | 2a6643437083c4dc28169a706099cd22769be1f5 (diff) | |
leds: pca9532: 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: Riku Voipio <riku.voipio@iki.fi>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: linux-leds@vger.kernel.org
Acked-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/leds/leds-pca9532.c')
| -rw-r--r-- | drivers/leds/leds-pca9532.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/leds/leds-pca9532.c b/drivers/leds/leds-pca9532.c index a975b32ee8c8..1b228adfd1a7 100644 --- a/drivers/leds/leds-pca9532.c +++ b/drivers/leds/leds-pca9532.c @@ -245,7 +245,7 @@ static void pca9532_led_work(struct work_struct *work) #ifdef CONFIG_LEDS_PCA9532_GPIO static int pca9532_gpio_request_pin(struct gpio_chip *gc, unsigned offset) { - struct pca9532_data *data = container_of(gc, struct pca9532_data, gpio); + struct pca9532_data *data = gpiochip_get_data(gc); struct pca9532_led *led = &data->leds[offset]; if (led->type == PCA9532_TYPE_GPIO) @@ -256,7 +256,7 @@ static int pca9532_gpio_request_pin(struct gpio_chip *gc, unsigned offset) static void pca9532_gpio_set_value(struct gpio_chip *gc, unsigned offset, int val) { - struct pca9532_data *data = container_of(gc, struct pca9532_data, gpio); + struct pca9532_data *data = gpiochip_get_data(gc); struct pca9532_led *led = &data->leds[offset]; if (val) @@ -269,7 +269,7 @@ static void pca9532_gpio_set_value(struct gpio_chip *gc, unsigned offset, int va static int pca9532_gpio_get_value(struct gpio_chip *gc, unsigned offset) { - struct pca9532_data *data = container_of(gc, struct pca9532_data, gpio); + struct pca9532_data *data = gpiochip_get_data(gc); unsigned char reg; reg = i2c_smbus_read_byte_data(data->client, PCA9532_REG_INPUT(offset)); @@ -416,7 +416,7 @@ static int pca9532_configure(struct i2c_client *client, data->gpio.parent = &client->dev; data->gpio.owner = THIS_MODULE; - err = gpiochip_add(&data->gpio); + err = gpiochip_add_data(&data->gpio, data); if (err) { /* Use data->gpio.dev as a flag for freeing gpiochip */ data->gpio.parent = NULL; |