[PATCH] regulator: anatop: Lower error message level for -EPROBE_DEFER

From: Anson Huang
Date: Tue Mar 03 2020 - 08:44:12 EST


devm_regulator_register() could return -EPROBE_DEFER when trying to
get init data and NOT all resources are available at that time, for
this case, error message is better to be present for debug level ONLY.

Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>
Link: https://lore.kernel.org/r/1583243052-1930-1-git-send-email-Anson.Huang@xxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
---
drivers/regulator/anatop-regulator.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/regulator/anatop-regulator.c b/drivers/regulator/anatop-regulator.c
index 754739d004e5..ca92b3de0e9c 100644
--- a/drivers/regulator/anatop-regulator.c
+++ b/drivers/regulator/anatop-regulator.c
@@ -305,9 +305,13 @@ static int anatop_regulator_probe(struct platform_device *pdev)
/* register regulator */
rdev = devm_regulator_register(dev, rdesc, &config);
if (IS_ERR(rdev)) {
- dev_err(dev, "failed to register %s\n",
- rdesc->name);
- return PTR_ERR(rdev);
+ ret = PTR_ERR(rdev);
+ if (ret == -EPROBE_DEFER)
+ dev_dbg(dev, "failed to register %s, deferring...\n",
+ rdesc->name);
+ else
+ dev_err(dev, "failed to register %s\n", rdesc->name);
+ return ret;
}

platform_set_drvdata(pdev, rdev);
--
2.20.1