5c7dd7acc3
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
19 lines
407 B
C
19 lines
407 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_DMA_DIRECTION_H
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#define _LINUX_DMA_DIRECTION_H
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enum dma_data_direction {
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DMA_BIDIRECTIONAL = 0,
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DMA_TO_DEVICE = 1,
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DMA_FROM_DEVICE = 2,
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DMA_NONE = 3,
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};
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static inline int valid_dma_direction(enum dma_data_direction dir)
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{
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return dir == DMA_BIDIRECTIONAL || dir == DMA_TO_DEVICE ||
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dir == DMA_FROM_DEVICE;
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}
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#endif /* _LINUX_DMA_DIRECTION_H */
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