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

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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>
This commit is contained in:
Dustin Marquess 2007-08-10 14:05:15 -07:00 committed by Jeff Garzik
parent 39d3520c92
commit b47157f004
1 changed files with 6 additions and 0 deletions
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6
drivers/net/via-rhine.c
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@ -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 */