函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\include\asm\io.h Create Date:2022-07-27 06:46:55
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：ISA I/O bus memory addresses are 1:1 with the physical address.* However, we truncate the address to unsigned int to avoid undesirable* promitions in legacy drivers.

函数原型：static inline unsigned int isa_virt_to_bus(volatile void *address)

返回类型：unsigned int

参数：

类型参数名称
volatile void *address
166  返回:virt_to_phys - map virtual addresses to physical*@address: address to remap* The returned physical address is the physical (CPU) mapping for* the memory address given. It is only valid to use this function on