fix for sysctl of DS1775 on MDD

[Andreas Tobler]

On 15.01.11 14:32, Justin Hibbits wrote:
> On Jan 15, 2011, at 3:20 AM, Andreas Tobler wrote:
>
>> Hi Justin,
>>
>> On 14.01.11 04:36, Justin Hibbits wrote:
>>> Just recompiled my kernel with the ds1775 sensor for my MDD, and
>>> noticed the sensor name sysctl is blank (shows up as 'dev.ds1775.0.',
>>> no sensor name), because there is no hwsensor-location property for
>>> the MDD sensor.  Attached is a patch that adds a generic 'cpu' name.
>>> Feel free to adjust it as you see fit (checking OF_getprop return
>>> instead, etc).
>>
>> Thanks. I put it in my testing queue.
>>
>> Do you have a printout from sysctl dev.ds1775?
>>
>> Also, I'd like to see a ofwdump -pr from the node where the ds1775
>> is attached. Might be that we have another indicator than hwsensor-
>> location which we could use?
>>
>> Gruss,
>> Andreas
>
> Ask and ye shall receive.  The outputs are attached.  I have both the
> 'before' and 'after' sysctl outputs for your reference.  I looked at
> the ofwdump output when making the patch, and nothing obvious jumped
> out at me.  I chose 'cpu' because I read online that the ds1775 is on
> the CPU card for the G4 MDD.  I don't know if there's any other that
> has the same problem, so a default to 'cpu' seemed sufficient to me.

Danke!

Committed as:

http://svn.freebsd.org/changeset/base/217560

Gruss,
Andreas