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

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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>

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Peter Griffin 2016-06-07 18:38:40 +01:00 • committed by Vinod Koul

parent b9ab9d10d9

commit 71f7e6cc55

1 changed files with 1 additions and 1 deletions

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drivers/dma/tegra20-apb-dma.c

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