From: Tejun Heo <tj@kernel.org>
To: shane.huang@amd.com
Cc: jgarzik@pobox.com, linux-ide@vger.kernel.org
Subject: Re: [PATCH] Restore SB600 SATA controller 64 bit DMA
Date: Sun, 31 May 2009 11:00:35 +0900 [thread overview]
Message-ID: <4A21E4C3.9050306@kernel.org> (raw)
In-Reply-To: <4A1CEA2C.10508@kernel.org>
Tejun Heo wrote:
> Shane Huang wrote:
>> Community reported one SB600 SATA issue(BZ #9412), which led to 64 bit
>> DMA disablement for all SB600 revisions by driver maintainers with
>> commits c7a42156d99bcea7f8173ba7a6034bbaa2ecb77c and
>> 4cde32fc4b32e96a99063af3183acdfd54c563f0.
>>
>> But the root cause is ASUS M2A-VM system BIOS bug in old revisions
>> like 0901, while forcing into 32bit DMA happens to work as workaround.
>> Now it's time to withdraw 4cde32fc4b32e96a99063af3183acdfd54c563f0
>> so as to restore the SB600 SATA 64bit DMA capability.
>> This patch is also adding the workaround for M2A-VM old BIOS revisions,
>> but users are suggested to upgrade their system BIOS to the latest one
>> if they meet this issue.
>>
>> Signed-off-by: Shane Huang <shane.huang@amd.com>
>> Cc: Tejun Heo <tj@kernel.org>
>
> It would be nicer to mention the export of dmi_get_year() but..
>
> Acked-by: Tejun Heo <tj@kernel.org>
>
Jeff, ping.
Thanks.
--
tejun
next prev parent reply other threads:[~2009-05-31 1:59 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-27 7:04 [PATCH] Restore SB600 SATA controller 64 bit DMA Shane Huang
2009-05-27 7:22 ` Tejun Heo
2009-05-31 2:00 ` Tejun Heo [this message]
2009-06-10 15:06 ` Jeff Garzik
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