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usb: xhci: kill a conditional when toggling cycle 

Perform an unconditional toggle of the cycle bit with 'xor'.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
This commit is contained in:
Dan Williams 2013-10-07 11:58:34 -07:00 committed by Sarah Sharp
parent fd1ac4cf52
commit 4e341818ee
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/host/xhci-ring.c
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@ -178,7 +178,7 @@ static void inc_deq(struct xhci_hcd *xhci, struct xhci_ring *ring)
if (ring->type == TYPE_EVENT &&
last_trb_on_last_seg(xhci, ring,
ring->deq_seg, ring->dequeue)) {
ring->cycle_state = (ring->cycle_state ? 0 : 1);
ring->cycle_state ^= 1;
}
ring->deq_seg = ring->deq_seg->next;
ring->dequeue = ring->deq_seg->trbs;