Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\dma-mapping.h Create Date:2022-07-28 05:51:32
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:valid_dma_direction

Proto:static inline int valid_dma_direction(int dma_direction)

Type:int

Parameter:

TypeParameterName
intdma_direction
145  Return dma_direction == DMA_BIDIRECTIONAL || dma_direction == DMA_TO_DEVICE || dma_direction == DMA_FROM_DEVICE
Caller
NameDescribe
dma_cache_sync