linux-kernel - Re: [PATCH] serial: Use real irq on UART0 (IRQ = 0) on PPC4xx systems

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Date:	Mon, 20 Nov 2006 12:10:15 +0000
From:	Alan <alan@...rguk.ukuu.org.uk>
To:	Stefan Roese <ml@...fan-roese.de>
Cc:	linux-kernel@...r.kernel.org, linuxppc-embedded@...abs.org
Subject: Re: [PATCH] serial: Use real irq on UART0 (IRQ = 0) on PPC4xx
 systems

On Mon, 20 Nov 2006 12:54:32 +0100 (MET)
Stefan Roese <ml@...fan-roese.de> wrote:
> Let's see, if I got this right. You mean that on such a platform, where 0 is a 
> valid physical IRQ, we should assign another value as virtual IRQ number (not 
> 0 and not -1 of course). And then the platform "pic" implementation should 
> take care of the remapping of these virtual IRQ numbers to the physical 
> numbers.
> 
> Correct?

Absolutely correct in all the detail.
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