[PATCH 46/51] phy-sun4i-usb: Warn when external vbus is detected

[Kishon Vijay Abraham I]

From: Hans de Goede <hdegoede@xxxxxxxxxx>

Warn when external vbus is detected when we're trying to enable our
own vbus.

Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>
---
 drivers/phy/phy-sun4i-usb.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/phy/phy-sun4i-usb.c b/drivers/phy/phy-sun4i-usb.c
index af42f8d..03f030b 100644
--- a/drivers/phy/phy-sun4i-usb.c
+++ b/drivers/phy/phy-sun4i-usb.c
@@ -390,8 +390,10 @@ static int sun4i_usb_phy_power_on(struct phy *_phy)
 
 	/* For phy0 only turn on Vbus if we don't have an ext. Vbus */
 	if (phy->index == 0 && sun4i_usb_phy0_have_vbus_det(data) &&
-				data->vbus_det)
+				data->vbus_det) {
+		dev_warn(&_phy->dev, "External vbus detected, not enabling our own vbus\n");
 		return 0;
+	}
 
 	ret = regulator_enable(phy->vbus);
 	if (ret)
-- 
1.7.9.5