From: Pierre Ossman <drzeus@drzeus.cx>
Date: Fri, 11 May 2007 22:26:16 +0000 (+0200)
Subject: mmc: bounce requests for simple hosts
X-Git-Tag: v2.6.23-rc1~1150^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=98ccf14909ba02a41c5925b0b2c92aeeef23d3b9;p=pandora-kernel.git

mmc: bounce requests for simple hosts

Some hosts cannot do scatter/gather in hardware. Since not doing sg
is such a big performance hit, we (optionally) bounce the requests
to a simple linear buffer that we hand over to the driver.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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