tree 0e97aa6bad67fb634836a688258ace0c294cf075
parent b9ab9d10d9898cd022fece44a474e5ddb785d639
author Peter Griffin <peter.griffin@linaro.org> 1465321120 +0100
committer Vinod Koul <vinod.koul@intel.com> 1466525100 +0530

dmaengine: tegra20-apb-dma: Only calculate residue if txstate exists.

There is no point calculating the residue if there is
no txstate to store the value.

Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>