diff --git a/[refs] b/[refs]
index 23c413c9f8ac..f2e8b31350b6 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3edeee3893b107364fe4ed8535245773b1e1e72b
+refs/heads/master: 31e00fd116cab296da2d12bc0b82a30a9fbdd681
diff --git a/trunk/drivers/usb/renesas_usbhs/mod_host.c b/trunk/drivers/usb/renesas_usbhs/mod_host.c
index 72ee8e55e717..c947d0aca9bf 100644
--- a/trunk/drivers/usb/renesas_usbhs/mod_host.c
+++ b/trunk/drivers/usb/renesas_usbhs/mod_host.c
@@ -1245,6 +1245,14 @@ static int usbhsh_irq_attch(struct usbhs_priv *priv,
 	usbhsh_port_stat_set(hpriv, USB_PORT_STAT_CONNECTION);
 	usbhsh_port_stat_set(hpriv, USB_PORT_STAT_C_CONNECTION << 16);
 
+	/*
+	 * attch interrupt might happen infinitely on some device
+	 * (on self power USB hub ?)
+	 * disable it here.
+	 */
+	hpriv->mod.irq_attch = NULL;
+	usbhs_irq_callback_update(priv, &hpriv->mod);
+
 	return 0;
 }
 
@@ -1259,6 +1267,12 @@ static int usbhsh_irq_dtch(struct usbhs_priv *priv,
 	usbhsh_port_stat_clear(hpriv, USB_PORT_STAT_CONNECTION);
 	usbhsh_port_stat_set(hpriv, USB_PORT_STAT_C_CONNECTION << 16);
 
+	/*
+	 * enable attch interrupt again
+	 */
+	hpriv->mod.irq_attch = usbhsh_irq_attch;
+	usbhs_irq_callback_update(priv, &hpriv->mod);
+
 	return 0;
 }