[PATCH] extcon: palmas: hide error messages if gpio returns -EPROBE_DEFER

From: H. Nikolaus Schaller
Date: Mon Feb 17 2020 - 03:55:49 EST


If the gpios are probed after this driver (e.g. if they
come from an i2c expander) there is no need to print an
error message.

Signed-off-by: H. Nikolaus Schaller <hns@xxxxxxxxxxxxx>
---
drivers/extcon/extcon-palmas.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/extcon/extcon-palmas.c b/drivers/extcon/extcon-palmas.c
index edc5016f46f1..9c6254c0531c 100644
--- a/drivers/extcon/extcon-palmas.c
+++ b/drivers/extcon/extcon-palmas.c
@@ -206,14 +206,16 @@ static int palmas_usb_probe(struct platform_device *pdev)
palmas_usb->id_gpiod = devm_gpiod_get_optional(&pdev->dev, "id",
GPIOD_IN);
if (IS_ERR(palmas_usb->id_gpiod)) {
- dev_err(&pdev->dev, "failed to get id gpio\n");
+ if (PTR_ERR(palmas_usb->id_gpiod) != -EPROBE_DEFER)
+ dev_err(&pdev->dev, "failed to get id gpio\n");
return PTR_ERR(palmas_usb->id_gpiod);
}

palmas_usb->vbus_gpiod = devm_gpiod_get_optional(&pdev->dev, "vbus",
GPIOD_IN);
if (IS_ERR(palmas_usb->vbus_gpiod)) {
- dev_err(&pdev->dev, "failed to get vbus gpio\n");
+ if (PTR_ERR(palmas_usb->vbus_gpiod) != -EPROBE_DEFER)
+ dev_err(&pdev->dev, "failed to get vbus gpio\n");
return PTR_ERR(palmas_usb->vbus_gpiod);
}

--
2.23.0