Message-ID: <4CF01583.5050307@kernel.org>
Date: Fri, 26 Nov 2010 21:16:03 +0100
From: Tejun Heo <tj@kernel.org>
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To: Mark Lord <kernel@teksavvy.com>
CC: Tobias Karnat <tobias.karnat@googlemail.com>, linux-ide@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: sata_sil24: external raid storage mistaken as port multiplier
References: <1290461073.12443.21.camel@Tobias-Karnat>	 <1290514125.28293.2.camel@Tobias-Karnat> <1290572588.24847.20.camel@Tobias-Karnat> <4CEFEC17.6060503@kernel.org> <4CF014F8.9000700@teksavvy.com>
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Hello,

On 11/26/2010 09:13 PM, Mark Lord wrote:
>> That said, yeah, it probably would be a good idea to add a
>> libata.force param.
> 
> How about some form of auto-detection instead?

That's a device which reports that it's a PMP but fails to behave
itself as one.  The sucky thing is that depending on the current mode
and firmware revision, the same hardware can actually bahave as a
pretty decent PMP.  I frankly have no idea how to work it around.

-- 
tejun
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