From 9f67f7583e77fe5dc57aab3a6159c2642544eaad Mon Sep 17 00:00:00 2001
From: Thierry Reding <treding@nvidia.com>
Date: Fri, 21 Sep 2018 12:10:47 +0200
Subject: [PATCH] hwmon: (pwm-fan) Silence error on probe deferral
Git-commit: 9f67f7583e77fe5dc57aab3a6159c2642544eaad
Patch-mainline: v4.20-rc1
References: bsc#1051510
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>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/hwmon/pwm-fan.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/hwmon/pwm-fan.c b/drivers/hwmon/pwm-fan.c
index 7838af58f92d..936aaf76dd6e 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);
--
2.16.4