From: Tejun Heo <htejun@gmail.com>
To: "Gaston, Jason D" <jason.d.gaston@intel.com>
Cc: linux-ide@vger.kernel.org
Subject: Re: ICH9 2 port SATA controller port map?
Date: Tue, 02 Oct 2007 16:57:28 +0900 [thread overview]
Message-ID: <4701F9E8.6020403@gmail.com> (raw)
In-Reply-To: <39B20DF628532344BC7A2692CB6AEE0701CF304E@orsmsx420.amr.corp.intel.com>
Gaston, Jason D wrote:
>>> What is the difference between NA and RV? If the controller only has
>>> access to 2 ports, does it matter which I set the nonexistent port
>>> values to in the map?
>> NA is used for unimplemented ports of a valid configuration while RV is
>> used to mark invalid MAP value. So, NA should be mixed with P[0-3]
>> while RV can't be mixed with any other values.
>>
>> --
>> Tejun
>
> When you say "can't be mixed" do you mean I should not have [P0 RV P1
> RV] on the same line? If that is the case, then I assume my only
> choice, for the 2 port controller (physically ports 5 & 6) would be [P0
> NA P1 NA].
Yeap, that's correct.
--
tejun
prev parent reply other threads:[~2007-10-02 8:43 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-24 20:36 ICH9 2 port SATA controller port map? Gaston, Jason D
2007-09-27 1:08 ` Tejun Heo
2007-09-28 23:57 ` Gaston, Jason D
2007-09-29 5:16 ` Tejun Heo
2007-10-01 17:33 ` Gaston, Jason D
2007-10-02 7:57 ` Tejun Heo [this message]
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