From: Thierry Reding <treding@nvidia.com>
Date: Fri, 21 Sep 2018 10:10:47 +0000 (+0200)
Subject: hwmon: (pwm-fan) Silence error on probe deferral
X-Git-Tag: v4.20-rc1~188^2~16
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=9f67f7583e77fe5dc57aab3a6159c2642544eaad;p=thirdparty%2Flinux.git

hwmon: (pwm-fan) Silence error on probe deferral

Probe deferrals aren't actual errors, so silence the error message in
case the PWM cannot yet be acquired.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---

diff --git a/drivers/hwmon/pwm-fan.c b/drivers/hwmon/pwm-fan.c
index 7838af58f92d5..936aaf76dd6e2 100644
--- a/drivers/hwmon/pwm-fan.c
+++ b/drivers/hwmon/pwm-fan.c
@@ -221,8 +221,12 @@ static int pwm_fan_probe(struct platform_device *pdev)
 
 	ctx->pwm = devm_of_pwm_get(&pdev->dev, pdev->dev.of_node, NULL);
 	if (IS_ERR(ctx->pwm)) {
-		dev_err(&pdev->dev, "Could not get PWM\n");
-		return PTR_ERR(ctx->pwm);
+		ret = PTR_ERR(ctx->pwm);
+
+		if (ret != -EPROBE_DEFER)
+			dev_err(&pdev->dev, "Could not get PWM: %d\n", ret);
+
+		return ret;
 	}
 
 	platform_set_drvdata(pdev, ctx);