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dma: import linux/dma-direction.h to consolidate enum dma_data_direction

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Import include/linux/dma-direction.h from Linux 4.13-rc7 and delete
duplicated definitions of enum dma_data_direction.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This commit is contained in:
Masahiro Yamada
2017-08-26 00:50:17 +09:00
committed by Tom Rini
parent 29487ef4d5
commit b27af39935
7 changed files with 20 additions and 25 deletions
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13
include/linux/dma-direction.h Normal file
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@ -0,0 +1,13 @@
#ifndef _LINUX_DMA_DIRECTION_H
#define _LINUX_DMA_DIRECTION_H
/*
* These definitions mirror those in pci.h, so they can be used
* interchangeably with their PCI_ counterparts.
*/
enum dma_data_direction {
DMA_BIDIRECTIONAL = 0,
DMA_TO_DEVICE = 1,
DMA_FROM_DEVICE = 2,
DMA_NONE = 3,
};
#endif