From: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Date: Sun, 16 Dec 2012 03:21:31 +0000 (+0100)
Subject: usb: host: xhci: remove unused trb var in xhci_irq()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=026630d09ba7b6cd44a43b92ad256c28a9e3ddc2;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

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

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>
---

diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 59fb5c677dbe..f69720983fc7 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2706,13 +2706,11 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd)
 {
 	struct xhci_hcd *xhci = hcd_to_xhci(hcd);
 	u32 status;
-	union xhci_trb *trb;
 	u64 temp_64;
 	union xhci_trb *event_ring_deq;
 	dma_addr_t deq;
 
 	spin_lock(&xhci->lock);
-	trb = xhci->event_ring->dequeue;
 	/* Check if the xHC generated the interrupt, or the irq is shared */
 	status = xhci_readl(xhci, &xhci->op_regs->status);
 	if (status == 0xffffffff)