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authorThomas Gleixner <tglx@linutronix.de>2010-10-12 17:27:20 +0200
committerThomas Gleixner <tglx@linutronix.de>2010-10-12 17:27:28 +0200
commit37eca0d64a2dbeece25969ec0698e1ff72bdcf39 (patch)
tree54ba70f0428f586f4fe28d8b429b9f9e0799a17a /drivers/usb/host/xhci-ring.c
parent277b199800ac90811ac86d215063df1984f51619 (diff)
parent3c06806e690885ce978ef180c8f8b6f8c17fb4b4 (diff)
downloadlinux-rt-37eca0d64a2dbeece25969ec0698e1ff72bdcf39.tar.gz
Merge branch 'linus' into core/locking
Reason: Pull in the semaphore related changes Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/usb/host/xhci-ring.c')
-rw-r--r--drivers/usb/host/xhci-ring.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index bc3f4f427065..48e60d166ff0 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -131,7 +131,7 @@ static void next_trb(struct xhci_hcd *xhci,
*seg = (*seg)->next;
*trb = ((*seg)->trbs);
} else {
- *trb = (*trb)++;
+ (*trb)++;
}
}
@@ -1551,6 +1551,10 @@ static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td,
/* calc actual length */
if (ep->skip) {
td->urb->iso_frame_desc[idx].actual_length = 0;
+ /* Update ring dequeue pointer */
+ while (ep_ring->dequeue != td->last_trb)
+ inc_deq(xhci, ep_ring, false);
+ inc_deq(xhci, ep_ring, false);
return finish_td(xhci, td, event_trb, event, ep, status, true);
}