From: Jerome Brunet <jbrunet@baylibre.com>
Date: Thu, 6 Sep 2018 13:59:04 +0000 (+0200)
Subject: leds: pwm: silently error out on EPROBE_DEFER
X-Git-Tag: v4.19.15~23
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=eb05c02903a76c3bba0bd4eebe34fa684b0ca759;p=platform%2Fkernel%2Flinux-rpi.git

leds: pwm: silently error out on EPROBE_DEFER

commit 9aec30371fb095a0c9415f3f0146ae269c3713d8 upstream.

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>
Cc: Benjamin Drung <bdrung@debian.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/leds/leds-pwm.c b/drivers/leds/leds-pwm.c
index df80c89..5d3faae 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;
 	}