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authorPeter Horton <zero@colonel-panic.org>2008-03-25 12:39:09 +0100
committerJeff Garzik <jgarzik@redhat.com>2008-04-16 20:40:01 -0400
commit10c6462090cccb643f31e26a14cb933bc31d8666 (patch)
tree9e5c5c509d86d5ab425a089bd95652d46aeac73c /drivers/i2c
parent48dd59e398455b58910910bc272e0da85f11bd98 (diff)
downloadlinux-10c6462090cccb643f31e26a14cb933bc31d8666.tar.bz2
[netdrvr] tulip: Better MWI workaround for 21143 rev 65 chip errata
This patch works around the MWI bug on the DC21143 rev 65 Tulip by ensuring that the receive buffers don't end on a cache line boundary (as documented in the errata). This patch is required for the MIPS based Cobalt Qube/RaQ as supporting the extra PCI commands seems to reduce the chance of a hard lockup between the Tulip and the PCI bridge. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/i2c')
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