2017-11-01 15:07:57 +01:00
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/* SPDX-License-Identifier: GPL-2.0 */
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2011-06-16 11:01:34 +00:00
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#ifndef _LINUX_DMA_DIRECTION_H
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#define _LINUX_DMA_DIRECTION_H
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2018-07-18 09:40:35 +08:00
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2011-06-16 11:01:34 +00:00
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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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2018-07-18 09:40:35 +08:00
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2020-09-11 09:31:32 +02:00
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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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