5f7406f4639119b275ff82
parent 7dcca30a32aadb0520417521b0c44f42d09fe05c
author Pierre Ossman <drzeus@drzeus.cx> 1178922376 +0200
committer Pierre Ossman <drzeus@drzeus.cx> 1184008973 +0200

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>
.á£Î™Xx