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leds: tca6507: use gpiochip data pointer

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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>
This commit is contained in:
Linus Walleij 2015-12-08 16:42:58 +01:00
parent 47513c2ff8
commit 2a66434370
1 changed files with 2 additions and 2 deletions
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4
drivers/leds/leds-tca6507.c
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@ -603,7 +603,7 @@ static int tca6507_blink_set(struct led_classdev *led_cdev,
static void tca6507_gpio_set_value(struct gpio_chip *gc,
unsigned offset, int val)
{
struct tca6507_chip *tca = container_of(gc, struct tca6507_chip, gpio);
struct tca6507_chip *tca = gpiochip_get_data(gc);
unsigned long flags;
spin_lock_irqsave(&tca->lock, flags);
@ -655,7 +655,7 @@ static int tca6507_probe_gpios(struct i2c_client *client,
#ifdef CONFIG_OF_GPIO
tca->gpio.of_node = of_node_get(client->dev.of_node);
#endif
err = gpiochip_add(&tca->gpio);
err = gpiochip_add_data(&tca->gpio, tca);
if (err) {
tca->gpio.ngpio = 0;
return err;