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

[ Upstream commit 9f67f7583e77fe5dc57aab3a6159c2642544eaad ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/hwmon/pwm-fan.c b/drivers/hwmon/pwm-fan.c
index 3e23003..993c61e 100644 (file)
--- a/drivers/hwmon/pwm-fan.c
+++ b/drivers/hwmon/pwm-fan.c
@@ -227,8 +227,12 @@ 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);