tree ed4df9ab8f480a02e47c68aca968e557c0169df0
parent 7bda9482e7ed4d27d83c1f9cb5cbe3b34ddac3e8
author Daniel Drake <drake@endlessm.com> 1553583855 +0800
committer Ulf Hansson <ulf.hansson@linaro.org> 1555322154 +0200

mmc: alcor: enable DMA for writes

Enable the DMA codepath for writes as well as reads.
This improves write speed from 1mb/sec to 2mb/sec (tested with dd).

The original ampe_stor vendor driver also uses DMA for writes.

Signed-off-by: Daniel Drake <drake@endlessm.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>