Line data    Source code

       1             : /* SPDX-License-Identifier: GPL-2.0 */
       2             : #ifndef _LINUX_DMA_DIRECTION_H
       3             : #define _LINUX_DMA_DIRECTION_H
       4             : 
       5             : enum dma_data_direction {
       6             :         DMA_BIDIRECTIONAL = 0,
       7             :         DMA_TO_DEVICE = 1,
       8             :         DMA_FROM_DEVICE = 2,
       9             :         DMA_NONE = 3,
      10             : };
      11             : 
      12           0 : static inline int valid_dma_direction(enum dma_data_direction dir)
      13             : {
      14           0 :         return dir == DMA_BIDIRECTIONAL || dir == DMA_TO_DEVICE ||
      15             :                 dir == DMA_FROM_DEVICE;
      16             : }
      17             : 
      18             : #endif /* _LINUX_DMA_DIRECTION_H */