Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\dma-mapping.h Create Date:2022-07-28 05:51:45
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:dma_sync_single_for_cpu

Proto:static inline void dma_sync_single_for_cpu(struct device *dev, dma_addr_t addr, size_t size, enum dma_data_direction dir)

Type:void

Parameter:

TypeParameterName
struct device *dev
dma_addr_taddr
size_tsize
enum dma_data_directiondir
380  ops = get_dma_ops(dev)
382  BUG_ON(!valid_dma_direction(dir))
383  If dma_is_direct(ops) Then dma_direct_sync_single_for_cpu(dev, addr, size, dir)
385  Else if sync_single_for_cpu Then sync_single_for_cpu(dev, addr, size, dir)
387  debug_dma_sync_single_for_cpu(dev, addr, size, dir)