1 files changed, 9 insertions, 1 deletions

diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
index d05ea03cfb4d..ea6184bf48d0 100644
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -27,6 +27,7 @@
  */
 
 /*-------------------------------------------------------------------------*/
+#include <linux/usb/otg.h>
 
 #define PORT_WAKE_BITS  (PORT_WKOC_E|PORT_WKDISC_E|PORT_WKCONN_E)
 
@@ -127,7 +128,7 @@ static int ehci_port_change(struct ehci_hcd *ehci)
         return 0;
 }
 
-static void ehci_adjust_port_wakeup_flags(struct ehci_hcd *ehci,
+static __maybe_unused void ehci_adjust_port_wakeup_flags(struct ehci_hcd *ehci,
                 bool suspending, bool do_wakeup)
 {
         int             port;
@@ -801,6 +802,13 @@ static int ehci_hub_control (
                                 goto error;
                         if (ehci->no_selective_suspend)
                                 break;
+#ifdef CONFIG_USB_OTG
+                        if ((hcd->self.otg_port == (wIndex + 1))
+                            && hcd->self.b_hnp_enable) {
+                                otg_start_hnp(ehci->transceiver);
+                                break;
+                        }
+#endif
                         if (!(temp & PORT_SUSPEND))
                                 break;
                         if ((temp & PORT_PE) == 0)