From: Alan <alan@lxorguk.ukuu.org.uk>
To: "Bartlomiej Zolnierkiewicz" <bzolnier@gmail.com>,
linux-kernel@vger.kernel.org, akpm@osdl.org,
"Tejun Heo" <htejun@gmail.com>, "Jeff Garzik" <jgarzik@pobox.com>
Subject: Re: [PATCH] ide-cd: Handle strange interrupt on the Intel ESB2
Date: Tue, 5 Dec 2006 23:57:01 +0000 [thread overview]
Message-ID: <20061205235701.74b4c07b@localhost.localdomain> (raw)
In-Reply-To: <58cb370e0612051523t2feba049rae830c9fa593b1c1@mail.gmail.com>
On Wed, 6 Dec 2006 00:23:03 +0100
"Bartlomiej Zolnierkiewicz" <bzolnier@gmail.com> wrote:
> Looks good but aren't this trying to fix the same ICH
> issue that is fixed in libata by ap->ops->irq_clear(ap)?
>
> [ please see Tejun's mail: http://lkml.org/lkml/2006/11/15/94 ]
>
> If so shouldn't we apply this fix for all ICH5/6/7/8 chipsets?
Possibly. Thats one reason I made it a quirk bit. I'd certainly expect it
to be a group of related chipsets.
> Also shouldn't the fix be in IRQ handler? Currently the fix is limited
> to ide-cd driver which seems to be the wrong place as the problem
> is supposed to happen also when using other IDE device drivers
> or/and other ATA/ATAPI devices?
The problem has only be observed with CD devices doing PIO ATAPI
commands. I am not aware of an Intel errata document that characterises
this errata so anything else so cannot guess further. Perhaps Intel can
advise ?
Alan
next prev parent reply other threads:[~2006-12-05 23:51 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-04 16:30 [PATCH] ide-cd: Handle strange interrupt on the Intel ESB2 Alan
2006-12-05 23:23 ` Bartlomiej Zolnierkiewicz
2006-12-05 23:57 ` Alan [this message]
2006-12-06 0:15 ` Tejun Heo
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