[Patch V5 11/21] usb: gadget: tegra-xudc: use phy_set_mode to set/unset device mode

[Nagarjuna Kristam]

When device mode is set/uset, VBUS override activity is done via
exported functions from padctl driver. Use phy_set_mode() instead.

Signed-off-by: Nagarjuna Kristam <nkristam@xxxxxxxxxx>
---
V5:
 - No changes.
---
V4:
 - Updated commit message as per comments from Thierry.
---
V2-V3:
 - No changes in this version
---
 drivers/usb/gadget/udc/tegra-xudc.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/usb/gadget/udc/tegra-xudc.c b/drivers/usb/gadget/udc/tegra-xudc.c
index 7411dd15..a2299ee 100644
--- a/drivers/usb/gadget/udc/tegra-xudc.c
+++ b/drivers/usb/gadget/udc/tegra-xudc.c
@@ -612,7 +612,7 @@ static void tegra_xudc_device_mode_on(struct tegra_xudc *xudc)
 
 	dev_dbg(xudc->dev, "device mode on\n");
 
-	tegra_xusb_padctl_set_vbus_override(xudc->padctl, true);
+	phy_set_mode_ext(xudc->utmi_phy, PHY_MODE_USB_OTG, USB_ROLE_DEVICE);
 }
 
 static void tegra_xudc_device_mode_off(struct tegra_xudc *xudc)
@@ -627,7 +627,7 @@ static void tegra_xudc_device_mode_off(struct tegra_xudc *xudc)
 
 	reinit_completion(&xudc->disconnect_complete);
 
-	tegra_xusb_padctl_set_vbus_override(xudc->padctl, false);
+	phy_set_mode_ext(xudc->utmi_phy, PHY_MODE_USB_OTG, USB_ROLE_NONE);
 
 	pls = (xudc_readl(xudc, PORTSC) & PORTSC_PLS_MASK) >>
 		PORTSC_PLS_SHIFT;
@@ -714,9 +714,11 @@ static void tegra_xudc_plc_reset_work(struct work_struct *work)
 
 		if (pls == PORTSC_PLS_INACTIVE) {
 			dev_info(xudc->dev, "PLS = Inactive. Toggle VBUS\n");
-			tegra_xusb_padctl_set_vbus_override(xudc->padctl,
-							      false);
-			tegra_xusb_padctl_set_vbus_override(xudc->padctl, true);
+			phy_set_mode_ext(xudc->utmi_phy, PHY_MODE_USB_OTG,
+					 USB_ROLE_NONE);
+			phy_set_mode_ext(xudc->utmi_phy, PHY_MODE_USB_OTG,
+					 USB_ROLE_DEVICE);
+
 			xudc->wait_csc = false;
 		}
 	}
-- 
2.7.4