From: Dan Williams <dan.j.willi...@intel.com>

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

Signed-off-by: Dan Williams <dan.j.willi...@intel.com>
Signed-off-by: Sarah Sharp <sarah.a.sh...@linux.intel.com>
---
 drivers/usb/host/xhci-ring.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index e57163f..1e2f3f4 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -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;
-- 
1.8.3.3

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