From: Tejun Heo <htejun@gmail.com>
To: Tejun Heo <htejun@gmail.com>
Cc: Jeff Garzik <jgarzik@pobox.com>, Alan <alan@lxorguk.ukuu.org.uk>,
David Shirley <tephra@gmail.com>,
linux-kernel@vger.kernel.org
Subject: Re: SATA DMA problem (sata_uli)
Date: Wed, 27 Dec 2006 22:44:52 +0900 [thread overview]
Message-ID: <459278D4.6060005@gmail.com> (raw)
In-Reply-To: <4588A37F.9040102@gmail.com>
Tejun Heo wrote:
> I'm just gonna ack Alan's patch.
>
> * ATA_FLAG_NO_LEGACY is not really used widely (and thus LLDs don't set
> it rigorously). I think it should be removed once we get initialization
> model right.
>
> * I'm really reluctant to add more LLD-specific knowledge into libata
> core. We're already carrying too much due to the current init model
> (libata should initialize host according to probe_ent, so many
> weirdities should be represented in probe_ent in a form libata core
> understands).
>
> * The idea of clearing simplex for unknown controllers scares the hell
> out of me. where's mummy...
>
> So, I'll ask bug reporter of #7590 to test it.
Aieee... uli sata controller doesn't allow simplex bit to be cleared.
http://bugzilla.kernel.org/show_bug.cgi?id=7590#c31
I'll post ATA_FLAG_IGN_SIMPLEX patch soon.
--
tejun
prev parent reply other threads:[~2006-12-27 13:45 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-13 5:02 SATA DMA problem (sata_uli) David Shirley
2006-12-13 11:20 ` Alan
2006-12-16 16:13 ` Jeff Garzik
2006-12-20 0:32 ` Tejun Heo
2006-12-20 0:39 ` Jeff Garzik
2006-12-20 2:44 ` Tejun Heo
2006-12-27 13:44 ` Tejun Heo [this message]
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