From: Jeff Garzik <jgarzik@pobox.com>
To: Greg Felix <gregfelixlkml@gmail.com>
Cc: linux-kernel@vger.kernel.org,
"linux-ide@vger.kernel.org" <linux-ide@vger.kernel.org>
Subject: Re: [PATCH] ata_piix.c: check PCI sub-class code before AHCI disabling
Date: Thu, 28 Jul 2005 15:56:27 -0400 [thread overview]
Message-ID: <42E9386B.7040108@pobox.com> (raw)
In-Reply-To: <e16ac85e050304160467045421@mail.gmail.com>
Greg Felix wrote:
> This patch adds functionality to check the PCI sub-class code of an
> AHCI capable device before disabling AHCI. It fixes a bug where an
> ICH7 sata controller is being setup by the BIOS as sub-class 1 (ide)
> and the AHCI control registers weren't being initialized, thus causing
> an IO error in piix_disable_ahci().
>
> Thanks,
> Greg Felix
>
>
> Signed-off-by: Gregory Felix <greg.felix@gmail.com>
Applied to 2.6.x, and uploads to 'upstream' branch of libata-dev.git.
Will apply to 2.4.x as soon as Marcelo pulls what I just submitted.
Jeff
next prev parent reply other threads:[~2005-07-28 19:56 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-05 0:04 [PATCH] ata_piix.c: check PCI sub-class code before AHCI disabling Greg Felix
2005-07-28 19:56 ` Jeff Garzik [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-05-16 21:31 Christopher Allen Wing
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