函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\dma\coherent.c Create Date:2022-07-27 11:33:37
Last Modify:2020-03-17 14:54:14 Copyright©Brick
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函数名称：dma_assign_coherent_memory

函数原型：static int dma_assign_coherent_memory(struct device *dev, struct dma_coherent_mem *mem)

返回类型：int

参数：

类型参数名称
struct device *dev
struct dma_coherent_mem *mem
100  如果非dev则返回:负ENODEV
103  如果dma_mem则返回:负EBUSY
106  dma_mem等于mem
107  返回:0
调用者
名称描述
dma_declare_coherent_memory