From 95fb890f69399c3c8bc59c1ae64851632247e804 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Thu, 12 Sep 2013 09:39:29 +0200
Subject: [PATCH 01/25] xhci: fix endpoint interval calculation

RH-Author: Gerd Hoffmann <kraxel@redhat.com>
Message-id: <1378978772-21612-2-git-send-email-kraxel@redhat.com>
Patchwork-id: 54338
O-Subject: [RHEL-7 qemu-kvm PATCH 1/4] xhci: fix endpoint interval calculation
Bugzilla: 1001604
RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
RH-Acked-by: Hans de Goede <hdegoede@redhat.com>
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>

Cc: qemu-stable@nongnu.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit ca7162782a293f525633e5816470498dd86a51cf)
---
 hw/usb/hcd-xhci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
 hw/usb/hcd-xhci.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
index 233f3b6..55bcfc4 100644
--- a/hw/usb/hcd-xhci.c
+++ b/hw/usb/hcd-xhci.c
@@ -1241,7 +1241,7 @@ static void xhci_init_epctx(XHCIEPContext *epctx,
         epctx->ring.ccs = ctx[2] & 1;
     }
 
-    epctx->interval = 1 << (ctx[0] >> 16) & 0xff;
+    epctx->interval = 1 << ((ctx[0] >> 16) & 0xff);
 }
 
 static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid,
-- 
1.7.1