tree 59c9cc05be531a10a09d7e4f005be274c34fa068
parent 3780d90602dfef6df3d8b39b203d6bf7fb99f22a
author Wolfgang Muees <wolfgang.mues@auerswald.de> 1267825421 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1267903603 -0800

mmc: at91_mci: use DMA buffer for read

Convert the read to use the DMA buffer as well.  The old code was doing
double-buffering DMA with the PDC; no way to make it work.  Replace it
with a single-PDC approach.  It also simplify things removing the need for
a pre_dma_read() function.

[nicolas.ferre@atmel.com coding style modifications]
Signed-off-by: Wolfgang Muees <wolfgang.mues@auerswald.de>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Andrew Victor <avictor.za@gmail.com>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>