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dmaengine: dw: don't perform DMA when dmaengine_submit is called
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Wed, 18 Jun 2014 09:15:38 +0000 (12:15 +0300)
committerVinod Koul <vinod.koul@intel.com>
Tue, 15 Jul 2014 16:44:30 +0000 (22:14 +0530)
Accordingly to discussion [1] and followed up documentation the DMA controller
driver shouldn't start any DMA operations when dmaengine_submit() is called.

This patch fixes the workflow in dw_dmac driver to follow the documentation.

[1] http://www.spinics.net/lists/arm-kernel/msg125987.html

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

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