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