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authorHans de Goede <hdegoede@redhat.com>2014-08-20 16:41:55 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-09-23 21:46:11 -0700
commit0d4976ec8ec17f331a094e3d6dd3917f4c8dd1ce (patch)
tree395e86fb2643041048a278bff07c8cae7d949913 /drivers/usb/host/xhci-ring.c
parentxhci: Fold queue_set_tr_deq into xhci_queue_new_dequeue_state (diff)
downloadlinux-dev-0d4976ec8ec17f331a094e3d6dd3917f4c8dd1ce.tar.xz
linux-dev-0d4976ec8ec17f331a094e3d6dd3917f4c8dd1ce.zip
xhci: Always ring the doorbell for active eps when a Set TR deq ptr cmd completes
Even if the stream for which the command was intended has been freed in the mean time. This ensures that things start rolling again after an unlink / halt. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/xhci-ring.c')
-rw-r--r--drivers/usb/host/xhci-ring.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 074eac69a609..2853b2fb57e2 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -965,8 +965,7 @@ static void xhci_handle_cmd_set_deq(struct xhci_hcd *xhci, int slot_id,
xhci_warn(xhci, "WARN Set TR deq ptr command for freed stream ID %u\n",
stream_id);
/* XXX: Harmless??? */
- dev->eps[ep_index].ep_state &= ~SET_DEQ_PENDING;
- return;
+ goto cleanup;
}
ep_ctx = xhci_get_ep_ctx(xhci, dev->out_ctx, ep_index);
@@ -1031,6 +1030,7 @@ static void xhci_handle_cmd_set_deq(struct xhci_hcd *xhci, int slot_id,
}
}
+cleanup:
dev->eps[ep_index].ep_state &= ~SET_DEQ_PENDING;
dev->eps[ep_index].queued_deq_seg = NULL;
dev->eps[ep_index].queued_deq_ptr = NULL;