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Commit 2a664343 authored by Linus Walleij's avatar Linus Walleij
Browse files

leds: tca6507: 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: default avatarJacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 47513c2f

drivers/leds/leds-tca6507.c

+2 −2
Original line number Diff line number Diff line
@@ -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;