linux-kernel - Re: [PATCH 1/4] ide-pmac: media-bay support fixes

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Date:	Thu, 03 Jul 2008 16:47:47 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Cc:	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] ide-pmac: media-bay support fixes

> Took me a while, kid was sick.
> 
> They apply on 20080625 (with various offset/fuzz but they do apply) and
> the tree builds. The media bay however fails the same way as before with
> IDE register errors.
> 
> I'll see if I can find where they come from.

Found multiple issues related to the ide-pmac <-> mediabay & ide core
interaction changes. I've done some fixes but it's not quite there yet.
It looks like it's getting IRQ issues with the mediabay CD, for some
reasons looks like something unmasks the interrupt before there's a
handler or around those lines... I get an irq "nobody cared" error, it
gets disabled, and then hdc gets lost interrupts.

I'll dig a bit more and if I can't find what's up tonight, will send
you my current patches in case you have some other idea.

Cheers,
Ben.

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