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From: Segher Boessenkool <segher@kernel.crashing.org>
Subject: Re: Re: 
Date: Fri, 13 Apr 2007 21:10:17 +0200
To: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: ppcdev <linuxppc-dev@ozlabs.org>, Olaf Hering <olaf@aepfle.de>,
	Alan Cox <alan@lxorguk.ukuu.org.uk>, Milton Miller <miltonm@bga.com>
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>>> I think the proper test is ((cb & 5) == 5) but I can't remember for
>>> sure..
>> That is correct if you know for sure the controller
>> actually supports native mode, and doesn't have that
>> support turned off by some configuration setting;
>> otherwise, the test should be ((cb & 0xf) == 0xf).
>
>   "I protest your honor". :-)
>   Bits 1 and 3 only indicate that bits 0 and 2 are writeable.

Darn you're right.  Sorry for the confusion.


Segher