mmc: tmio_mmc: allow multi-element scatter-gather lists
authorGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Thu, 11 Nov 2010 11:15:06 +0000 (12:15 +0100)
committerChris Ball <cjb@laptop.org>
Sun, 9 Jan 2011 04:52:27 +0000 (23:52 -0500)
commit729b0c79c2c0f631bffe1be5abaf291febf7792f
tree0c15158322e89a401d25adc8da7a59696f76c916
parent1a2727e98786136fb968b18d96f8ecdd9ba38aa8
mmc: tmio_mmc: allow multi-element scatter-gather lists

The driver is capable of handling multi-element sg lists in both PIO and
DMA modes. In DMA mode this also allows to use the DMA sg capability more
efficiently and almost doubles the throughput.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
drivers/mmc/host/tmio_mmc.c