2 files changed, 6 insertions, 3 deletions

diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index 556d0ec0c1f8..9d1babc7ff65 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -760,8 +760,10 @@ static int qh_schedule(struct ehci_hcd *ehci, struct ehci_qh *qh)
         if (status) {
                 /* "normal" case, uframing flexible except with splits */
                 if (qh->period) {
-                        frame = qh->period - 1;
-                        do {
+                        int             i;
+
+                        for (i = qh->period; status && i > 0; --i) {
+                                frame = ++ehci->random_frame % qh->period;
                                 for (uframe = 0; uframe < 8; uframe++) {
                                         status = check_intr_schedule (ehci,
                                                         frame, uframe, qh,
@@ -769,7 +771,7 @@ static int qh_schedule(struct ehci_hcd *ehci, struct ehci_qh *qh)
                                         if (status == 0)
                                                 break;
                                 }
-                        } while (status && frame--);
+                        }
 
                 /* qh->period == 0 means every uframe */
                 } else {
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index 6cff195e1a36..90ad3395bb21 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -116,6 +116,7 @@ struct ehci_hcd {			/* one per controller */
         struct timer_list       watchdog;
         unsigned long           actions;
         unsigned                stamp;
+        unsigned                random_frame;
         unsigned long           next_statechange;
         u32                     command;