This patch uses usb role switch API if the register suceeeded.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda...@renesas.com>
---
 drivers/usb/gadget/udc/renesas_usb3.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/gadget/udc/renesas_usb3.c 
b/drivers/usb/gadget/udc/renesas_usb3.c
index c878449..bfb5803 100644
--- a/drivers/usb/gadget/udc/renesas_usb3.c
+++ b/drivers/usb/gadget/udc/renesas_usb3.c
@@ -657,7 +657,11 @@ static void _usb3_set_mode(struct renesas_usb3 *usb3, bool 
host)
 
 static void usb3_set_mode(struct renesas_usb3 *usb3, bool host)
 {
-       _usb3_set_mode(usb3, host);
+       if (usb3->role_sw)
+               usb_role_switch_set_role(usb3->role_sw, host ?
+                                        USB_ROLE_HOST : USB_ROLE_DEVICE);
+       else
+               _usb3_set_mode(usb3, host);
 }
 
 static void usb3_vbus_out(struct renesas_usb3 *usb3, bool enable)
@@ -672,8 +676,8 @@ static void usb3_mode_config(struct renesas_usb3 *usb3, 
bool host, bool a_dev)
 {
        unsigned long flags;
 
-       spin_lock_irqsave(&usb3->lock, flags);
        usb3_set_mode(usb3, host);
+       spin_lock_irqsave(&usb3->lock, flags);
        usb3_vbus_out(usb3, a_dev);
        /* for A-Peripheral or forced B-device mode */
        if ((!host && a_dev) ||
-- 
1.9.1

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