From: Gerd Hoffmann <kraxel@redhat.com>
Date: Wed, 28 Aug 2013 09:39:02 +0000 (+0200)
Subject: xhci: fix endpoint interval calculation
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=ca7162782a293f525633e5816470498dd86a51cf;p=qmiga%2Fqemu.git

xhci: fix endpoint interval calculation

Cc: qemu-stable@nongnu.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---

diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
index 4d693bcf2f..38269793b3 100644
--- a/hw/usb/hcd-xhci.c
+++ b/hw/usb/hcd-xhci.c
@@ -1274,7 +1274,7 @@ 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,