phy: sun4i-usb: Use devm_gpiod_get_optional for optional GPIOs

Both data->id_det_gpio and data->vbus_det_gpio are optional, so use
devm_gpiod_get_optional for them.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>

1 files changed, 9 insertions, 13 deletions

diff --git a/drivers/phy/phy-sun4i-usb.c b/drivers/phy/phy-sun4i-usb.c
index 731b395d6e6a..b12964b70625 100644
--- a/drivers/phy/phy-sun4i-usb.c
+++ b/drivers/phy/phy-sun4i-usb.c
@@ -551,19 +551,15 @@ static int sun4i_usb_phy_probe(struct platform_device *pdev)
         if (IS_ERR(data->base))
                 return PTR_ERR(data->base);
 
-        data->id_det_gpio = devm_gpiod_get(dev, "usb0_id_det", GPIOD_IN);
-        if (IS_ERR(data->id_det_gpio)) {
-                if (PTR_ERR(data->id_det_gpio) == -EPROBE_DEFER)
-                        return -EPROBE_DEFER;
-                data->id_det_gpio = NULL;
-        }
-
-        data->vbus_det_gpio = devm_gpiod_get(dev, "usb0_vbus_det", GPIOD_IN);
-        if (IS_ERR(data->vbus_det_gpio)) {
-                if (PTR_ERR(data->vbus_det_gpio) == -EPROBE_DEFER)
-                        return -EPROBE_DEFER;
-                data->vbus_det_gpio = NULL;
-        }
+        data->id_det_gpio = devm_gpiod_get_optional(dev, "usb0_id_det",
+                                                    GPIOD_IN);
+        if (IS_ERR(data->id_det_gpio))
+                return PTR_ERR(data->id_det_gpio);
+
+        data->vbus_det_gpio = devm_gpiod_get_optional(dev, "usb0_vbus_det",
+                                                      GPIOD_IN);
+        if (IS_ERR(data->vbus_det_gpio))
+                return PTR_ERR(data->vbus_det_gpio);
 
         if (of_find_property(np, "usb0_vbus_power-supply", NULL)) {
                 data->vbus_power_supply = devm_power_supply_get_by_phandle(dev,