tree 2ffd3fcb640107ad8f4f7ae010c55e8506a8935a
parent 26f7af37eeaab359c3013c704f75749a2b5ce1b1
author Torsten Fleischer <torfl6749@gmail.com> 1424710451 +0100
committer Vinod Koul <vinod.koul@intel.com> 1426238874 +0530

dmaengine: at_hdmac: Add support for memory to memory sg transfers

This patch adds support for memory to memory scatter-gather transfers.

Changes from V1:
   * Fixed coding style of the multi-line comments.

Changes from V2:
   * Added setup of 'desc->tx_width' that is needed to calculate the
     residue.

Signed-off-by: Torsten Fleischer <torfl6749@gmail.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>