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Date: Tue, 26 Sep 2006 12:25:21 +0100 From: Alan Cox <alan@...rguk.ukuu.org.uk> To: David Woodhouse <dwmw2@...radead.org> Cc: Jeff Garzik <jgarzik@...ox.com>, David Howells <dhowells@...hat.com>, Al Viro <viro@....linux.org.uk>, Linus Torvalds <torvalds@...l.org>, linux-kernel@...r.kernel.org Subject: Re: [PATCH] restore libata build on frv Ar Maw, 2006-09-26 am 09:56 +0100, ysgrifennodd David Woodhouse: > On Tue, 2006-09-26 at 04:52 -0400, Jeff Garzik wrote: > > The irq is a special case no matter how we try to prettyify it. We need > > two irqs, and PCI only gives us one per device. > > That's fine -- but don't use zero to mean none. We have NO_IRQ for that, > and zero isn't an appropriate choice. Zero means "no IRQ". That's official kernel policy and true for both old and new IDE. Architectures are supposed to remap any real "irq 0". Might as well use NO_IRQ though, as its clearer. Alan - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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