From: Jack Wang <xjtuwjp@gmail.com>
To: Hans Verkuil <hverkuil@xs4all.nl>,
James Bottomley <jbottomley@parallels.com>
Cc: linux-scsi@vger.kernel.org, AnandKumar.Santhanam@pmcs.com,
lindar_liu@usish.com, Sangeetha.Gnanasekaran@pmcs.com
Subject: Re: [PATCHv2] pm80xx: fix Adaptec 71605H hang
Date: Wed, 31 Jul 2013 17:19:40 +0200 [thread overview]
Message-ID: <51F92B0C.70804@gmail.com> (raw)
In-Reply-To: <51F2A741.1020702@xs4all.nl>
On 07/26/2013 06:43 PM, Hans Verkuil wrote:
> The IO command size is 128 bytes for these new controllers as opposed to 64
> for the old 8001 controller.
>
> The Adaptec out-of-tree driver did this correctly. After comparing the two
> this turned out to be the crucial difference.
>
> So don't hardcode the IO command size, instead use pm8001_ha->iomb_size as
> that is the correct value for both old and new controllers.
>
> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
> Cc: stable@vger.kernel.org # for v3.10 and up
snip
Thanks Hans.
Looks good now.
Acked-by: Jack Wang <xjtuwjp@gmail.com>
James,
Could you consider to include this fix into your fixes tree, without
this fix new Adaptec controller support is broken, sorry for that.
Jack
next prev parent reply other threads:[~2013-07-31 15:19 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-26 16:43 [PATCHv2] pm80xx: fix Adaptec 71605H hang Hans Verkuil
2013-07-27 2:51 ` Anand Kumar Santhanam
2013-07-31 15:19 ` Jack Wang [this message]
2013-08-21 12:53 ` Jack Wang
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