[PATCH AUTOSEL 4.14 66/95] leds: pwm: silently error out on EPROBE_DEFER

Sasha Levin
2019-05-07T05:49:02Z

From: Jerome Brunet <jbrunet@baylibre.com>

[ Upstream commit 9aec30371fb095a0c9415f3f0146ae269c3713d8 ]

When probing, if we fail to get the pwm due to probe deferal, we shouldn't
print an error message. Just be silent in this case.

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
---
drivers/leds/leds-pwm.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/leds/leds-pwm.c b/drivers/leds/leds-pwm.c
index 8d456dc6c5bf..83f9bbe57e02 100644
--- a/drivers/leds/leds-pwm.c
+++ b/drivers/leds/leds-pwm.c
@@ -101,8 +101,9 @@ static int led_pwm_add(struct device *dev, struct led_pwm_priv *priv,
led_data->pwm = devm_pwm_get(dev, led->name);
if (IS_ERR(led_data->pwm)) {
ret = PTR_ERR(led_data->pwm);
- dev_err(dev, "unable to request PWM for %s: %d\n",
- led->name, ret);
+ if (ret != -EPROBE_DEFER)
+ dev_err(dev, "unable to request PWM for %s: %d\n",
+ led->name, ret);
return ret;
}

--
2.20.1