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: NJerome Brunet <jbrunet@baylibre.com>
Signed-off-by: NJacek Anaszewski <jacek.anaszewski@gmail.com>
Cc: Benjamin Drung <bdrung@debian.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

drivers/leds/leds-pwm.c

@@ -100,6 +100,7 @@ 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);
+		if (ret != -EPROBE_DEFER)
 			dev_err(dev, "unable to request PWM for %s: %d\n",
 				led->name, ret);
 		return ret;