[PATCH v2 3/3] spi: spi-davinci: convert to DMA engine API

On Wed, 2012-08-22 at 12:04 -0400, Matt Porter wrote:

for querying of these types of limitations. Right now, the
mmc driver implicitly knows that EDMA needs this restriction
but it's something that should be queried before calling
prep_slave().

that's something we need to add; exporting channel capabilities. We only
tell that it slave or memcpy today, but we need to tell clients what are
channel supported parameter ranges.

-- 
~Vinod