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| /* SPDX-License-Identifier: GPL-2.0 */
| #ifndef _LINUX_DMA_DIRECTION_H
| #define _LINUX_DMA_DIRECTION_H
|
| enum dma_data_direction {
| DMA_BIDIRECTIONAL = 0,
| DMA_TO_DEVICE = 1,
| DMA_FROM_DEVICE = 2,
| DMA_NONE = 3,
| };
|
| static inline int valid_dma_direction(enum dma_data_direction dir)
| {
| return dir == DMA_BIDIRECTIONAL || dir == DMA_TO_DEVICE ||
| dir == DMA_FROM_DEVICE;
| }
|
| #endif /* _LINUX_DMA_DIRECTION_H */
|
|
