From: Jeff Garzik <jgarzik@pobox.com>
To: Tejun Heo <tj@kernel.org>
Cc: "linux-ide@vger.kernel.org" <linux-ide@vger.kernel.org>,
pchen@nvidia.com, grapz666@gmail.com, tixetsal@juno.com,
damien.cassou@gmail.com, gschwind@gnu-log.net,
andreas_graf@csgraf.de, stable <stable@kernel.org>
Subject: Re: [PATCH #upstream-fixes] ahci,ata_generic: let ata_generic handle new MBP w/ MCP89
Date: Thu, 01 Jul 2010 15:35:33 -0400 [thread overview]
Message-ID: <4C2CEE05.3000803@pobox.com> (raw)
In-Reply-To: <4C19EDFE.8040202@kernel.org>
On 06/17/2010 05:42 AM, Tejun Heo wrote:
> For yet unknown reason, MCP89 on MBP 7,1 doesn't work w/ ahci under
> linux but the controller doesn't require explicit mode setting and
> works fine with ata_generic. Make ahci ignore the controller on MBP
> 7,1 and let ata_generic take it for now.
>
> Reported in bko#15923.
>
> https://bugzilla.kernel.org/show_bug.cgi?id=15923
>
> NVIDIA is investigating why ahci mode doesn't work.
>
> Signed-off-by: Tejun Heo<tj@kernel.org>
> Cc: Peer Chen<pchen@nvidia.com>
> Cc: stable@kernel.org
> Reported-by: Anders Østhus<grapz666@gmail.com>
> Reported-by: Andreas Graf<andreas_graf@csgraf.de>
> Reported-by: Benoit Gschwind<gschwind@gnu-log.net>
> Reported-by: Damien Cassou<damien.cassou@gmail.com>
> Reported-by: tixetsal@juno.com
> ---
> drivers/ata/ahci.c | 10 ++++++++++
> drivers/ata/ata_generic.c | 6 ++++++
> include/linux/pci_ids.h | 1 +
> 3 files changed, 17 insertions(+)
applied 1-2
prev parent reply other threads:[~2010-07-01 19:35 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-17 9:42 [PATCH #upstream-fixes] ahci,ata_generic: let ata_generic handle new MBP w/ MCP89 Tejun Heo
2010-06-22 10:27 ` [PATCH 2/2 #upstream-fixes] ata_generic: implement ATA_GEN_* flags and force enable DMA on MBP 7,1 Tejun Heo
2010-07-01 19:35 ` Jeff Garzik [this message]
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