From: Tejun Heo <tj@kernel.org>
To: Grant Grundler <grundler@google.com>
Cc: Chandra Shekhar Sah <edu4madh@gmail.com>,
linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org
Subject: Re: port multiplier problem
Date: Thu, 04 Feb 2010 12:24:29 +0900 [thread overview]
Message-ID: <4B6A3DED.6060708@kernel.org> (raw)
In-Reply-To: <da824cf31002031837t1cf2357bsbb53a3b4ea5e671f@mail.gmail.com>
On 02/04/2010 11:37 AM, Grant Grundler wrote:
> I had two questions on that thread that never got answered:
> http://markmail.org/message/snpekoj4qexrslk5
>
> | How can we find out if anyone has the SEMB properly wired up?
> | Would it be hard to make libata aware of "SEMB port not responding" case?
> | ie if the SEMB port times out or has no link, reduce the port count of
> | the sil3726 PMP by one.
> |
> | Maybe add a "enable_sil24_semb" flag to libata?
> | (avoid checking unless someone asks for it). I hate magic flags but also
> | don't want to subject most people to the timeout delay.
>
> I (or Gwendal) can post a patch (and lightly test) for any of the above.
> Just need to get some guidance so we don't waste our time.
It's not really sil24 tho. But anyways, I think we can just disable
them altogether. It's not like they have ever worked. Just limiting
both 3726 and 4726 to 5 ports should be fine. That said, I'm not
quite sure this is relevant to the reported problem but it's worth a
shot.
Thanks.
--
tejun
next prev parent reply other threads:[~2010-02-04 3:17 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-21 16:51 port multiplier problem Chandra Nepali
2010-02-02 3:40 ` Tejun Heo
2010-02-02 14:17 ` Chandra Shekhar Sah
2010-02-02 14:24 ` Tejun Heo
2010-02-02 14:59 ` Chandra Shekhar Sah
2010-02-02 16:44 ` Grant Grundler
[not found] ` <4B686B2B.2080406@gmail.com>
2010-02-02 19:04 ` Grant Grundler
[not found] ` <4B687B7C.2070406@gmail.com>
2010-02-04 2:37 ` Grant Grundler
2010-02-04 3:24 ` Tejun Heo [this message]
2010-02-04 17:59 ` Grant Grundler
2010-02-05 2:44 ` Tejun Heo
2010-02-11 20:22 ` Chandra Shekhar Sah
2010-02-04 16:39 ` Chandra Shekhar Sah
2010-02-04 3:21 ` Tejun Heo
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