diff --git a/[refs] b/[refs]
index 8684e7b8d84e..04c6a32684ef 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0c6ef985ced753b60ecdc091fa49c3f5fa4a4f79
+refs/heads/master: 651f5e49dd3d369711bd622f4bc72c2fa30a3cf9
diff --git a/trunk/drivers/usb/renesas_usbhs/mod.c b/trunk/drivers/usb/renesas_usbhs/mod.c
index 621f6cc50db6..74ef49e7dd5f 100644
--- a/trunk/drivers/usb/renesas_usbhs/mod.c
+++ b/trunk/drivers/usb/renesas_usbhs/mod.c
@@ -292,6 +292,14 @@ void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod)
 	u16 intenb0 = 0;
 	struct usbhs_mod_info *info = usbhs_priv_to_modinfo(priv);
 
+	/*
+	 * BEMPENB/BRDYENB are picky.
+	 * below method is required
+	 *
+	 *  - clear  INTSTS0
+	 *  - update BEMPENB/BRDYENB
+	 *  - update INTSTS0
+	 */
 	usbhs_write(priv, INTENB0, 0);
 
 	usbhs_write(priv, BEMPENB, 0);
@@ -324,5 +332,6 @@ void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod)
 		}
 	}
 
-	usbhs_write(priv, INTENB0, intenb0);
+	if (intenb0)
+		usbhs_write(priv, INTENB0, intenb0);
 }