linux-kernel - Re: [PATCH] ata: Don't use NO_IRQ in pata_of

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Date:	Tue, 6 Dec 2011 11:10:43 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	Russell King - ARM Linux <linux@....linux.org.uk>,
	Dave Martin <dave.martin@...aro.org>,
	Nicolas Pitre <nicolas.pitre@...aro.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Anton Vorontsov <cbouatmailru@...il.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Andrew Morton <akpm@...ux-foundation.org>,
	devicetree-discuss@...ts.ozlabs.org,
	LKML <linux-kernel@...r.kernel.org>, linux-ide@...r.kernel.org,
	Randy Dunlap <rdunlap@...otime.net>,
	linux-next@...r.kernel.org, Ingo Molnar <mingo@...e.hu>,
	Jeff Garzik <jgarzik@...hat.com>,
	Pawel Moll <pawel.moll@....com>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] ata: Don't use NO_IRQ in pata_of_platform driver

> It's shown in /proc/interrupts due to a "bug" in show_interrupts().
> The (gmail damaged) patch below fixes this bug.

We get API breakage then. Which is a pain of course because debug tools
and the like which think IRQ 0 is "timer ticks" are somewhat broken.

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