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extcon: palmas: Hide error messages if gpio returns -EPROBE_DEFER 

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@goldelico.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
This commit is contained in:
H. Nikolaus Schaller 2020-02-17 14:38:15 +01:00 committed by Chanwoo Choi
parent 1d27904703
commit 3426ad6d40
1 changed files with 6 additions and 2 deletions
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8
drivers/extcon/extcon-palmas.c
View File

@ -205,14 +205,18 @@ 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)) {
if (PTR_ERR(palmas_usb->id_gpiod) == -EPROBE_DEFER) {
return -EPROBE_DEFER;
} else if (IS_ERR(palmas_usb->id_gpiod)) {
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)) {
if (PTR_ERR(palmas_usb->vbus_gpiod) == -EPROBE_DEFER) {
return -EPROBE_DEFER;
} else if (IS_ERR(palmas_usb->vbus_gpiod)) {
dev_err(&pdev->dev, "failed to get vbus gpio\n");
return PTR_ERR(palmas_usb->vbus_gpiod);
}