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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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12345678910111213141516171819/* 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 */