函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\dma.c Create Date:2022-07-27 11:55:45
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：proc_dma_show

函数原型：static int proc_dma_show(struct seq_file *m, void *v)

返回类型：int

参数：

类型参数名称
struct seq_file *m
void *v
122  以i小于NOTES about DMA transfers:* controller 1: channels 0-3, byte operations, ports 00-1F* controller 2: channels 4-7, word operations, ports C0-DF* - ALL registers are 8 bits only, regardless of transfer size* - channel 4 is not used - cascades 1 into 2循环
123  如果lock则
124  seq_printf(m, "%2d: %s\n", i, device_id)
128  返回:0