1 files changed, 7 insertions, 1 deletions

diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 92c62911f574..185721dba42b 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -501,6 +501,9 @@ static int ehci_run (struct usb_hcd *hcd)
         u32                     temp;
         u32                     hcc_params;
 
+        hcd->uses_new_polling = 1;
+        hcd->poll_rh = 0;
+
         /* EHCI spec section 4.1 */
         if ((retval = ehci_reset(ehci)) != 0) {
                 ehci_mem_cleanup(ehci);
@@ -574,7 +577,7 @@ static int ehci_run (struct usb_hcd *hcd)
 static irqreturn_t ehci_irq (struct usb_hcd *hcd)
 {
         struct ehci_hcd         *ehci = hcd_to_ehci (hcd);
-        u32                     status;
+        u32                     status, pcd_status = 0;
         int                     bh;
 
         spin_lock (&ehci->lock);
@@ -624,6 +627,7 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd)
         /* remote wakeup [4.3.1] */
         if (status & STS_PCD) {
                 unsigned        i = HCS_N_PORTS (ehci->hcs_params);
+                pcd_status = status;
 
                 /* resume root hub? */
                 if (!(ehci_readl(ehci, &ehci->regs->command) & CMD_RUN))
@@ -670,6 +674,8 @@ dead:
         if (bh)
                 ehci_work (ehci);
         spin_unlock (&ehci->lock);
+        if (pcd_status & STS_PCD)
+                usb_hcd_poll_rh_status(hcd);
         return IRQ_HANDLED;
 }