linux-kernel - Re: [PATCH] frv: Remove bogus NO

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Date:	Wed, 07 Nov 2007 17:28:22 +0000
From:	David Howells <dhowells@...hat.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	dhowells@...hat.com, linux-kernel@...r.kernel.org,
	torvalds@...l.org
Subject: Re: [PATCH] frv: Remove bogus NO_IRQ = -1 define

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

> The old NO_IRQ define some platforms had was long ago declared obsolete
> and wrong. FRV should therefore not be re-introducing this, especially as
> IRQs are usually unsigned in the kernel. The "no IRQ" case is defined to be
> zero and Linus made this rather clear at the time.
> 
> arch/frv shows no dependancy on this but it might show up driver fixes
> needing doing I guess

FRV doesn't use IRQ 0, so using 0 instead is fine.

Acked-by: David Howells <dhowells@...hat.com>
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