[PATCH 5.13 659/800] leds: lm3697: Dont spam logs when probe is deferred

From: Greg Kroah-Hartman
Date: Mon Jul 12 2021 - 04:53:09 EST


From: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>

[ Upstream commit 807553f8bf4afa673750e52905e0f9488179112f ]

When requesting GPIO line the probe can be deferred.
In such case don't spam logs with an error message.
This can be achieved by switching to dev_err_probe().

Fixes: 5c1d824cda9f ("leds: lm3697: Introduce the lm3697 driver")
Cc: Dan Murphy <dmurphy@xxxxxx>
Signed-off-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
Signed-off-by: Pavel Machek <pavel@xxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/leds/leds-lm3697.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/leds/leds-lm3697.c b/drivers/leds/leds-lm3697.c
index 7d216cdb91a8..912e8bb22a99 100644
--- a/drivers/leds/leds-lm3697.c
+++ b/drivers/leds/leds-lm3697.c
@@ -203,11 +203,9 @@ static int lm3697_probe_dt(struct lm3697 *priv)

priv->enable_gpio = devm_gpiod_get_optional(dev, "enable",
GPIOD_OUT_LOW);
- if (IS_ERR(priv->enable_gpio)) {
- ret = PTR_ERR(priv->enable_gpio);
- dev_err(dev, "Failed to get enable gpio: %d\n", ret);
- return ret;
- }
+ if (IS_ERR(priv->enable_gpio))
+ return dev_err_probe(dev, PTR_ERR(priv->enable_gpio),
+ "Failed to get enable GPIO\n");

priv->regulator = devm_regulator_get(dev, "vled");
if (IS_ERR(priv->regulator))
--
2.30.2