函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\dma-debug.h Create Date:2022-07-27 06:51:29
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：debug_dma_map_sg

函数原型：static inline void debug_dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, int mapped_ents, int direction)

返回类型：void

参数：

类型参数名称
struct device *dev
struct scatterlist *sg
intnents
intmapped_ents
intdirection

NULL

调用者
名称描述
dma_map_sg_attrsdma_maps_sg_attrs returns 0 on error and > 0 on success.* It should never return a value < 0.