tifm_sd: merge dma and pio request processing paths

To allow for switching of trasfer mode (dma/pio) on a per-request basis,
pio and dma request issue and completion function are now merged.

Signed-off-by: Alex Dubov <oakad@yahoo.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
1 file changed