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dmaengine: freescale: add and export fsl_dma_external_start()

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The freescale driver uses custom device control FSLDMA_EXTERNAL_START to
put the controller in external start mode.
Since we are planning to deprecate the device control, move this to exported
API. Subsequent patches will remove the FSLDMA_EXTERNAL_START

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Vinod Koul
2014-10-11 21:16:44 +05:30
parent b65612a868
commit 0a5642be03
2 changed files with 28 additions and 1 deletions
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13
include/linux/fsldma.h Normal file
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@@ -0,0 +1,13 @@
/*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef FSL_DMA_H
#define FSL_DMA_H
/* fsl dma API for enxternal start */
int fsl_dma_external_start(struct dma_chan *dchan, int enable);
#endif