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[PATCH 4/7] phy: sun4i-usb: Use devm_gpiod_get_optional for optional GPIOs

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From: Axel Lin <axel.lin@ingics.com>

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>
---
 drivers/phy/phy-sun4i-usb.c |   22 +++++++++-------------
 1 file changed, 9 insertions(+), 13 deletions(-)

diff --git a/drivers/phy/phy-sun4i-usb.c b/drivers/phy/phy-sun4i-usb.c
index 731b395..b12964b 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,
-- 
1.7.9.5

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[PATCH 4/7] phy: sun4i-usb: Use devm_gpiod_get_optional for optional GPIOs Kishon Vijay Abraham I <kishon@ti.com> - 2015-10-17 04:30 +0200

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