Re: [PATCH] 2.5.17 /dev/ports

[Alan Cox]

> I'm waiting on Phil Blundell to notice - I think /dev/port may get used
> on ARM to emulate inb() and outb() from userspace; I don't look after
> glibc so shrug.
> 
> I agree however that /dev/port is a rotten interface that needs to go.

The /dev/port interface is used by various apps and its a traditional
x86 in paticular unix thing. For platforms like ARM its poorly implemented
since it ought to turn into a fraction of /dev/mem and support mmap for
speedier user space in/out emulation..