linux-kernel - Re: [PATCH] x86: Isolate PIC/PIT in/out calls

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Date:	Mon, 14 Jan 2008 16:51:25 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	mingo@...hat.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: Isolate PIC/PIT in/out calls


* Alan Cox <alan@...rguk.ukuu.org.uk> wrote:

> Rather than remove and/or mangle inb_p/outb_p we want to remove the 
> use of them from inappropriate places. For the PIC/PIT this may 
> eventually depend on 32/64bitism or similar so start by adding 
> inb/outb_pit and inb/outb_pic so that we can make them use any scheme 
> we settle on without disturbing the existing, correct (for ISA), port 
> 0x80 usage. (eg we can make inb_pit use udelay without messing up 
> inb_p).
> 
> Floppy already does this for the fdc. That really only leaves the CMOS 
> as a core logic item to tackle, and bits of parallel port handling in 
> the chipset layers.

thanks, applied.

	Ingo
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