Re: [PATCH] kernel/resource.c: fix muxed resource handling in __request_region()

From: Alan Cox
Date: Mon Feb 22 2016 - 08:50:24 EST


> we have some good alternatives in the form of bus and platform
> drivers that
> can manage the appropriate serialization and keep things from
> stomping
> on one another.

It's not used much, especially nowdays. The use case is basically multi
I/O chips on the ISA/LPC bus with magic shared config register ports.

We have sufficiently few of those we could give muxed the boot and
special case them if preferred.

Alan