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* dmaengine: dw: don't perform DMA when dmaengine_submit is calledAndy Shevchenko2014-07-151-1/+0
| | | | | | | | | | | | 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>
* dmaengine: remove ste_dma40 from issue_pending TODOPer Forlin2011-07-141-1/+0
| | | | | | | | | ste_dma40 now implements issue_pending according to documentation. Submit adds descriptos to a pending queue with are flushed down to the DMAC at issue_pending. Signed-off-by: Per Forlin <per.forlin@linaro.org> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
* dmaengine: add TODO items for future work on dma driversVinod Koul2011-05-261-0/+14
Signed-off-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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