[MMC] sdhci: more DMA capabilities tests
authorPierre Ossman <drzeus@drzeus.cx>
Fri, 30 Jun 2006 09:22:31 +0000 (02:22 -0700)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Sun, 2 Jul 2006 15:54:56 +0000 (16:54 +0100)
commit6743527441430586aa82a0dee1b2700a2a974ebc
tree6977160737a9d300c236bde53fb8ca5535e8bafb
parentd96649ed5ace812ffc8d86252d7c663326ca47f8
[MMC] sdhci: more DMA capabilities tests

Properly test for controller interface to see if it's DMA capable.  As many
controllers are misconfigured in this regard, also add debug parameters to
force DMA support either way.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
drivers/mmc/sdhci.c
drivers/mmc/sdhci.h