函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\dma-mapping.h Create Date:2022-07-27 06:51:44
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：dma_free_wc

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

返回类型：void

参数：

类型参数名称
struct device *dev
size_tsize
void *cpu_addr
dma_addr_tdma_addr
792  返回: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.)