linux-kernel - Re: nvida sata controller CK804 and NCQ not working on linux-2.6.28||29.1

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Date:	Tue, 07 Apr 2009 16:32:37 -0700
From:	Tejun Heo <tj@...nel.org>
To:	Genoni Luigi <luigi.genoni@...ecomitalia.it>
CC:	"jgarzik@...ox.com" <jgarzik@...ox.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: nvida sata controller CK804  and  NCQ not working on linux-2.6.28||29.1

Genoni Luigi wrote:
> Hi,
> to make NCQ work with nvidia sata CK804 I had to introduce this simple
> change into sata-nv.c. Is there some reason I am missing why adma_enable is
> not by default one, so later in the dome NCQ is not enabled?

You can simply use module parameter - sata_nv.adma=1.  It's disabled
by default because it's unstable on certain configurations.

Thanks.

-- 
tejun
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