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Commit 9f6cd98f authored by Uwe Kleine-König's avatar Uwe Kleine-König Committed by Sebastian Reichel
Browse files

power: reset: ltc2952: use _optional variant of devm_gpiod_get 



devm_gpiod_get_optional returns NULL if devm_gpiod_get would return an
ENOENT error pointer.

There is no semantic change intended.

Signed-off-by: default avatarUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: default avatarSebastian Reichel <sre@kernel.org>
parent a34c0a8b

drivers/power/reset/ltc2952-poweroff.c

+3 −4
Original line number Diff line number Diff line
@@ -202,16 +202,15 @@ static int ltc2952_poweroff_init(struct platform_device *pdev) 
		return ret;

	}



	data->gpio_trigger = devm_gpiod_get(&pdev->dev, "trigger", GPIOD_IN);

	data->gpio_trigger = devm_gpiod_get_optional(&pdev->dev, "trigger",

						     GPIOD_IN);

	if (IS_ERR(data->gpio_trigger)) {

		/*

		 * It's not a problem if the trigger gpio isn't available, but

		 * it is worth a warning if its use was defined in the device

		 * tree.

		 */

		if (PTR_ERR(data->gpio_trigger) != -ENOENT)

			dev_err(&pdev->dev,

				"unable to claim gpio \"trigger\"\n");

		dev_err(&pdev->dev, "unable to claim gpio \"trigger\"\n");

		data->gpio_trigger = NULL;

	}