Re: [lm-sensors] [PATCH RFC] hwmon: (coretemp) Improve support for TjMax detection on Atom CPUs

[Guenter Roeck <guenter.roeck@ericsson.com>]

On Wed, Jun 06, 2012 at 12:15:52AM -0400, R, Durgadoss wrote:
> Hi Guenter,
> 
> [snip.]
> > > I don't have any public specification as such. I use the same platform for testing.
> > > There it says TjMax is 90 (which corresponds to cpu model 0x27).
> > > This is the patch that Jean has submitted a couple of days ago.
> > >
> > Hi Durga,
> > 
> > sorry, you lost me. What do you mean with "there" ? If it is what coretemp
> > reports,
> > it is just a wild guess, unless you or Jean know better from some document.
> 
> It is what coretemp reports.
> I know it is 90C, from an internal document, though :-(
> That's why was asking is there a place where I can ask folks to update.
> 
That is easy - we can add it to Documentation/hwmon/coretemp. I'll do that with my
series of patches.

> > 
> > > Guenter, Could you please give me website link where you are getting details
> > on
> > > TjMax for other platforms ? I will try and see if I can make people add the
> > > 'Atom platform' details also there.
> > >
> > 
> > Usually it is in the device datasheet / specification or the device thermal guide
> > if it exists. I don't think there is a single web site with all the information,
> > or at least I don't know one. Problem is that no such documentation seems to
> > exist,
> > at least not in public, for the Z2460 (or CE4100, for that matter). Only reason
> > for mentioning CE4100 is that someone suggested a patch for it a couple of years
> > ago,
> > but it went nowhere, presumably since tjmax (supposedly 110 C) was never
> > confirmed,
> > nor are there well defined means to detect it.
> > 
> 
> I will see if I can talk to people to see what can be done better here.
> I will try & try & try.. :-)
> 
Thanks!

Guenter

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