Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\dma-mapping.h Create Date:2022-07-28 05:51:50
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:dma_free_wc

Proto:static inline void dma_free_wc(struct device *dev, size_t size, void *cpu_addr, dma_addr_t dma_addr)

Type:void

Parameter:

TypeParameterName
struct device *dev
size_tsize
void *cpu_addr
dma_addr_tdma_addr
792  Return dma_free_attrs(dev, size, cpu_addr, dma_addr, DMA_ATTR_WRITE_COMBINE: Specifies that writes to the mapping may be* buffered to improve performance.)