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 <[email protected]> Signed-off-by: Chanwoo Choi <[email protected]>
ambv · Mar 24, 2020 · 3426ad6 · 3426ad6
1 parent 1d27904
commit 3426ad6
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/drivers/extcon/extcon-palmas.c b/drivers/extcon/extcon-palmas.c
@@ -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);
 	}