From: Dustin Marquess <jailbird@alcatraz.fdf.net>
Date: Fri, 10 Aug 2007 21:05:15 +0000 (-0700)
Subject: via-rhine: disable rx_copybreak on archs that don't allow unaligned DMA access
X-Git-Url: http://git.rot13.org/?a=commitdiff_plain;h=b47157f00414f368f2847697ce48b76f1a5e5110;p=powerpc.git

via-rhine: disable rx_copybreak on archs that don't allow unaligned DMA access

Patch to disable the rx_copybreak feature on hardware architectures that
don't allow unaligned DMA access.

#ifdef code taken from tulip_core.c.  Problem pointed out by Ivan
Kokshaysky.

Signed-off-by: Dustin Marquess <jailbird@alcatraz.fdf.net>
Cc: Francois Romieu <romieu@fr.zoreil.com>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
---

diff --git a/drivers/net/via-rhine.c b/drivers/net/via-rhine.c
index c3fe230695..b56dff2677 100644
--- a/drivers/net/via-rhine.c
+++ b/drivers/net/via-rhine.c
@@ -42,7 +42,13 @@ static int max_interrupt_work = 20;
 
 /* Set the copy breakpoint for the copy-only-tiny-frames scheme.
    Setting to > 1518 effectively disables this feature. */
+#if defined(__alpha__) || defined(__arm__) || defined(__hppa__) \
+       || defined(CONFIG_SPARC) || defined(__ia64__) \
+       || defined(__sh__) || defined(__mips__)
+static int rx_copybreak = 1518;
+#else
 static int rx_copybreak;
+#endif
 
 /* Work-around for broken BIOSes: they are unable to get the chip back out of
    power state D3 so PXE booting fails. bootparam(7): via-rhine.avoid_D3=1 */