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usb/ehci: Guard definition of EHCI_DEBUG

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Guard against re-definition of EHCI_DEBUG. Allows for turning on of debug info
from configure (using --qemu-extra-cflags="-DEHCI_DEBUG=1") rather than source
code hacking.

Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Peter Crosthwaite 2012-10-29 11:34:39 +10:00 committed by Gerd Hoffmann
parent 5010d4dc61
commit 569c7fc840
1 changed files with 2 additions and 0 deletions
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2
hw/usb/hcd-ehci.c
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@ -36,7 +36,9 @@
#include "dma.h"
#include "sysemu.h"
#ifndef EHCI_DEBUG
#define EHCI_DEBUG 0
#endif
#if EHCI_DEBUG
#define DPRINTF printf