[PATCH 5.4 035/177] usb: common: usb-conn-gpio: Dont log an error on probe deferral

From: Greg Kroah-Hartman
Date: Mon Dec 16 2019 - 13:15:55 EST


From: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>

commit 59120962e4be4f72be537adb17da6881c4b3797c upstream.

This patch makes the printout of the error message for failing to get a
VBUS regulator handle conditional on the error code being something other
than -EPROBE_DEFER.

Deferral is a normal thing, we don't need an error message for this.

Cc: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>
Cc: Nagarjuna Kristam <nkristam@xxxxxxxxxx>
Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: linux-usb@xxxxxxxxxxxxxxx
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>
Cc: stable <stable@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20191128134358.3880498-2-bryan.odonoghue@xxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
drivers/usb/common/usb-conn-gpio.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/usb/common/usb-conn-gpio.c
+++ b/drivers/usb/common/usb-conn-gpio.c
@@ -156,7 +156,8 @@ static int usb_conn_probe(struct platfor

info->vbus = devm_regulator_get(dev, "vbus");
if (IS_ERR(info->vbus)) {
- dev_err(dev, "failed to get vbus\n");
+ if (PTR_ERR(info->vbus) != -EPROBE_DEFER)
+ dev_err(dev, "failed to get vbus\n");
return PTR_ERR(info->vbus);
}