From: Tejun Heo <htejun@gmail.com>
To: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Cc: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, jeff@garzik.org
Subject: Re: [patch] libata: use correct map_db values for ICH8
Date: Sat, 21 Oct 2006 01:35:20 +0900 [thread overview]
Message-ID: <4538FAC8.4040709@gmail.com> (raw)
In-Reply-To: <20061020092622.f564da61.kristen.c.accardi@intel.com>
Kristen Carlson Accardi wrote:
>> Do you guys have doc update related to this? The doc and spec update
>> still indicate that MAP value is reserved to 00b. Anyways, if you say
>> that's right...
>>
>> Acked-by: Tejun Heo <htejun@gmail.com>
>>
> As far as I know, this has always been documented.
> The datasheet is located here:
> http://developer.intel.com/design/chipsets/datashts/313056.htm
Yeap, that's what I've been looking at for the whole time.
> Indicates that 10b is valid for combined mode. Make sure you are looking
> at device 31 function 2 - for 31 function 5 it is hardwired to 00b, but
> for function 2, it can be 00 or 10. This was not very clear, so it's
> easy to understand how this could have been misunderstood. See
> section 11.1.33 in the notes, or do a search on "combined mode" through
> the doc, and you'll see that MV can be 10b when SCC is 01 on device 31
> function 2.
Ah... you're right. Thanks for pointing out.
--
tejun
prev parent reply other threads:[~2006-10-20 16:35 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-19 20:27 [patch] libata: use correct map_db values for ICH8 Kristen Carlson Accardi
2006-10-20 9:06 ` Tejun Heo
2006-10-20 16:26 ` Kristen Carlson Accardi
2006-10-20 16:35 ` Tejun Heo [this message]
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