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usb: host: xhci: remove unused trb var in xhci_irq()

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The union xhci_trb *trb variable is defined and assigned
inside the xHCI IRQ handler function but is never used.

Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
This commit is contained in:
Javier Martinez Canillas 2012-12-16 04:21:31 +01:00 committed by Sarah Sharp
parent 470f0be8aa
commit 026630d09b
1 changed files with 0 additions and 2 deletions
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2
drivers/usb/host/xhci-ring.c
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@ -2706,13 +2706,11 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd)
{ {
struct xhci_hcd *xhci = hcd_to_xhci(hcd); struct xhci_hcd *xhci = hcd_to_xhci(hcd);
u32 status; u32 status;
union xhci_trb *trb;
u64 temp_64; u64 temp_64;
union xhci_trb *event_ring_deq; union xhci_trb *event_ring_deq;
dma_addr_t deq; dma_addr_t deq;
spin_lock(&xhci->lock); spin_lock(&xhci->lock);
trb = xhci->event_ring->dequeue;
/* Check if the xHC generated the interrupt, or the irq is shared */ /* Check if the xHC generated the interrupt, or the irq is shared */
status = xhci_readl(xhci, &xhci->op_regs->status); status = xhci_readl(xhci, &xhci->op_regs->status);
if (status == 0xffffffff) if (status == 0xffffffff)