linux-kernel - [PATCH] leds: pwm: silently error out on EPROBE

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Date:   Thu,  6 Sep 2018 15:59:04 +0200
From:   Jerome Brunet <jbrunet@...libre.com>
To:     Jacek Anaszewski <jacek.anaszewski@...il.com>,
        Pavel Machek <pavel@....cz>
Cc:     Jerome Brunet <jbrunet@...libre.com>, linux-leds@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] leds: pwm: silently error out on EPROBE_DEFER

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@...libre.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 df80c89ebe7f..5d3faae51d59 100644
--- a/drivers/leds/leds-pwm.c
+++ b/drivers/leds/leds-pwm.c
@@ -100,8 +100,9 @@ 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;
 	}
 
-- 
2.17.1