From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: avorontsov@ru.mvista.com
Cc: linuxppc-dev@ozlabs.org, Jeff Garzik <jgarzik@pobox.com>,
"Sparks, Sam" <SSparks@aclaratech.com>,
linux-ide@vger.kernel.org
Subject: Re: [PATCH] pata_of_platform: fix no irq handling
Date: Tue, 12 Aug 2008 08:00:32 +1000 [thread overview]
Message-ID: <1218492032.8041.11.camel@pasglop> (raw)
In-Reply-To: <20080811170756.GA29827@oksana.dev.rtsoft.ru>
> 1. IDE status read does not work. (But am I understand correctly
> that IDE works well if IRQ is unspecified? Then this is hardly
> an issue.)
> 2. IDE interrupt comes when it should not. I'd recommend to use
> oscilloscope to find out what is happening there, that is, if
> the drive actually deasserts its irq line after status read.
> If so, than this could be a PIC problem.
>
> What is the platform on which you're observing the issue, btw?
Another possibility is that you got the wrong interrupt number
in the device-tree...
Ben.
next prev parent reply other threads:[~2008-08-11 22:00 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-11 14:48 Possible bug in IRQ handling in pata_of_platform / pata_platform Steven A. Falco
2008-08-11 15:19 ` [PATCH] pata_of_platform: fix no irq handling Anton Vorontsov
2008-08-11 16:23 ` Steven A. Falco
2008-08-11 16:23 ` Steven A. Falco
2008-08-11 17:07 ` Anton Vorontsov
2008-08-11 17:07 ` Anton Vorontsov
2008-08-11 22:00 ` Benjamin Herrenschmidt [this message]
2008-08-12 14:00 ` Steven A. Falco
2008-08-12 14:00 ` Steven A. Falco
2008-08-12 14:04 ` Anton Vorontsov
2008-08-12 14:04 ` Anton Vorontsov
2008-08-12 14:18 ` Stefan Roese
2008-08-12 14:18 ` Stefan Roese
2008-08-12 14:18 ` Sergei Shtylyov
2008-08-12 14:18 ` Sergei Shtylyov
2008-08-12 14:31 ` Anton Vorontsov
2008-08-12 14:31 ` Anton Vorontsov
2008-08-13 21:25 ` Steven A. Falco
2008-08-13 21:25 ` Steven A. Falco
2008-08-11 16:29 ` Alan Cox
2008-08-11 16:36 ` Ben Dooks
2008-08-11 16:36 ` Ben Dooks
2008-08-11 16:26 ` Alan Cox
2008-08-11 16:42 ` Steven A. Falco
2008-08-11 16:42 ` Steven A. Falco
2008-08-11 22:02 ` Benjamin Herrenschmidt
-- strict thread matches above, loose matches on Subject: below --
2008-09-25 8:36 [PATCH] pata_platform struct resource signness fix Wang Jian
2008-09-25 8:54 ` Wang Jian
2008-09-25 10:40 ` Li Yang
2008-09-25 10:48 ` Anton Vorontsov
2008-09-29 4:19 ` Jeff Garzik
2008-09-29 13:32 ` [PATCH] pata_of_platform: fix no irq handling Anton Vorontsov
2008-09-29 13:32 ` Anton Vorontsov
2008-10-06 17:26 Anton Vorontsov
2008-10-06 17:26 ` Anton Vorontsov
2008-10-06 20:41 ` Matt Sealey
2008-10-06 20:41 ` Matt Sealey
2008-10-06 21:32 ` Anton Vorontsov
2008-10-06 21:32 ` Anton Vorontsov
2008-10-07 1:30 ` Tejun Heo
2008-10-07 1:30 ` Tejun Heo
2008-10-07 9:18 ` Wang Jian
2008-10-07 9:18 ` Wang Jian
2008-10-07 9:26 ` Anton Vorontsov
2008-10-07 9:26 ` Anton Vorontsov
2008-10-07 10:04 ` Benjamin Herrenschmidt
2008-10-07 10:04 ` Benjamin Herrenschmidt
2008-10-07 9:37 ` Alan Cox
2008-10-07 9:37 ` Alan Cox
2008-10-08 8:40 ` David Woodhouse
2008-10-08 8:40 ` David Woodhouse
2008-10-08 9:00 ` Alan Cox
2008-10-08 9:00 ` Alan Cox
2008-10-08 9:59 ` Geert Uytterhoeven
2008-10-08 9:59 ` Geert Uytterhoeven
2008-10-08 10:27 ` Alan Cox
2008-10-08 10:27 ` Alan Cox
2008-10-10 17:55 ` Paul Mundt
2008-10-10 17:55 ` Paul Mundt
2008-10-13 6:56 ` Tejun Heo
2008-10-13 6:56 ` Tejun Heo
2008-10-13 13:27 ` Jeff Garzik
2008-10-13 13:53 ` Tejun Heo
2008-10-13 23:27 ` Benjamin Herrenschmidt
2008-10-13 23:27 ` Benjamin Herrenschmidt
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