xhci: Remove unused variable 'addr' in inc_deq() and inc_enq().

This patch remove unused variable 'addr' in inc_deq() and inc_enq().

Signed-off-by: Lin Wang <lin.x.wang@intel.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>

diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index d26cd94..afa28ce 100644 (file)
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -156,8 +156,6 @@ static void next_trb(struct xhci_hcd *xhci,
  */
 static void inc_deq(struct xhci_hcd *xhci, struct xhci_ring *ring)
 {
-       unsigned long long addr;
-
        ring->deq_updates++;
 
        /*
@@ -186,8 +184,6 @@ static void inc_deq(struct xhci_hcd *xhci, struct xhci_ring *ring)
                        ring->dequeue++;
                }
        } while (last_trb(xhci, ring, ring->deq_seg, ring->dequeue));
-
-       addr = (unsigned long long) xhci_trb_virt_to_dma(ring->deq_seg, ring->dequeue);
 }
 
 /*
@@ -212,7 +208,6 @@ static void inc_enq(struct xhci_hcd *xhci, struct xhci_ring *ring,
 {
        u32 chain;
        union xhci_trb *next;
-       unsigned long long addr;
 
        chain = le32_to_cpu(ring->enqueue->generic.field[3]) & TRB_CHAIN;
        /* If this is not event ring, there is one less usable TRB */
@@ -264,7 +259,6 @@ static void inc_enq(struct xhci_hcd *xhci, struct xhci_ring *ring,
                ring->enqueue = ring->enq_seg->trbs;
                next = ring->enqueue;
        }
-       addr = (unsigned long long) xhci_trb_virt_to_dma(ring->enq_seg, ring->enqueue);
 }
 
 /*