1 files changed, 6 insertions, 2 deletions

diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 2507e898af09..2f7037c62e88 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -759,12 +759,16 @@ static int ehci_resume (struct usb_hcd *hcd)
         if (time_before (jiffies, ehci->next_statechange))
                 msleep (100);
 
-        /* If any port is suspended, we know we can/must resume the HC. */
+        /* If any port is suspended (or owned by the companion),
+         * we know we can/must resume the HC (and mustn't reset it).
+         */
         for (port = HCS_N_PORTS (ehci->hcs_params); port > 0; ) {
                 u32     status;
                 port--;
                 status = readl (&ehci->regs->port_status [port]);
-                if (status & PORT_SUSPEND) {
+                if (!(status & PORT_POWER))
+                        continue;
+                if (status & (PORT_SUSPEND | PORT_OWNER)) {
                         down (&hcd->self.root_hub->serialize);
                         retval = ehci_hub_resume (hcd);
                         up (&hcd->self.root_hub->serialize);