| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| Alexey Dobriyan | b7f080c | 2011-06-16 11:01:34 +0000 | [diff] [blame] | 2 | #ifndef _LINUX_DMA_DIRECTION_H |
| 3 | #define _LINUX_DMA_DIRECTION_H |
| Shunyong Yang | 546c596 | 2018-07-18 09:40:35 +0800 | [diff] [blame] | 4 | |
| Alexey Dobriyan | b7f080c | 2011-06-16 11:01:34 +0000 | [diff] [blame] | 5 | enum dma_data_direction { |
| 6 | DMA_BIDIRECTIONAL = 0, |
| 7 | DMA_TO_DEVICE = 1, |
| 8 | DMA_FROM_DEVICE = 2, |
| 9 | DMA_NONE = 3, |
| 10 | }; |
| Shunyong Yang | 546c596 | 2018-07-18 09:40:35 +0800 | [diff] [blame] | 11 | |
| Alexey Dobriyan | b7f080c | 2011-06-16 11:01:34 +0000 | [diff] [blame] | 12 | #endif |