[PATCH 1/2] hwmon: pwm-fan: Silence error on probe deferral

From: Thierry Reding
Date: Fri Sep 21 2018 - 06:10:55 EST


From: Thierry Reding <treding@xxxxxxxxxx>

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@xxxxxxxxxx>
---
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);
--
2.19.0