Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\dma-mapping.h Create Date:2022-07-28 05:51:46
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:dma_sync_sg_for_cpu

Proto:static inline void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems, enum dma_data_direction dir)

Type:void

Parameter:

TypeParameterName
struct device *dev
struct scatterlist *sg
intnelems
enum dma_data_directiondir
408  ops = get_dma_ops(dev)
410  BUG_ON(!valid_dma_direction(dir))
411  If dma_is_direct(ops) Then dma_direct_sync_sg_for_cpu(dev, sg, nelems, dir)
413  Else if sync_sg_for_cpu Then sync_sg_for_cpu(dev, sg, nelems, dir)
415  debug_dma_sync_sg_for_cpu(dev, sg, nelems, dir)