Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\include\asm\io.h Create Date:2022-07-28 05:46:04
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name: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.

Proto:static inline unsigned int isa_virt_to_bus(volatile void *address)

Type:unsigned int

Parameter:

TypeParameterName
volatile void *address
166  Return 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