From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759518Ab2IFTKC (ORCPT ); Thu, 6 Sep 2012 15:10:02 -0400 Received: from mail-pz0-f46.google.com ([209.85.210.46]:57425 "EHLO mail-pz0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759463Ab2IFTJ4 (ORCPT ); Thu, 6 Sep 2012 15:09:56 -0400 From: Girish Verma Cc: Girish Verma , sarah.a.sharp@linux.intel.com, gregkh@linuxfoundation.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] In xhci-ring.c, function inc_enq and inc_deq calculate the dma address of trb but never used. Date: Fri, 7 Sep 2012 00:38:04 +0530 Message-Id: <1346958484-13533-1-git-send-email-girish@circuitsutra.com> X-Mailer: git-send-email 1.7.0.4 To: unlisted-recipients:; (no To-header on input) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Girish Verma --- drivers/usb/host/xhci-ring.c | 4 ---- 1 files changed, 0 insertions(+), 4 deletions(-) diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 643c2f3..5c5c47b 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -145,7 +145,6 @@ 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++; @@ -176,7 +175,6 @@ static void inc_deq(struct xhci_hcd *xhci, struct xhci_ring *ring) } } while (last_trb(xhci, ring, ring->deq_seg, ring->dequeue)); - addr = (unsigned long long) xhci_trb_virt_to_dma(ring->deq_seg, ring->dequeue); } /* @@ -201,7 +199,6 @@ 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 */ @@ -253,7 +250,6 @@ 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); } /* -- 1.7.0.4