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Message-ID: <4538FAC8.4040709@gmail.com> Date: Sat, 21 Oct 2006 01:35:20 +0900 From: Tejun Heo <htejun@...il.com> To: Kristen Carlson Accardi <kristen.c.accardi@...el.com> CC: linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org, jeff@...zik.org Subject: Re: [patch] libata: use correct map_db values for ICH8 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@...il.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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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