linux-kernel - Re: [lm-sensors] [PATCH] hwmon: Add driver for VIA CPU core temperature

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Message-Id: <200906121320.10169.lkml@morethan.org>
Date:	Fri, 12 Jun 2009 13:20:06 -0500
From:	"Michael S. Zick" <lkml@...ethan.org>
To:	tomaz.mertelj@...st.arnes.si
Cc:	Harald Welte <HaraldWelte@...tech.com>,
	Jean Delvare <khali@...ux-fr.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, lm-sensors@...sensors.org
Subject: Re: [lm-sensors] [PATCH] hwmon: Add driver for VIA CPU core	temperature

On Fri June 12 2009, tomaz.mertelj@...st.arnes.si wrote:
> > On Fri June 12 2009, Michael S. Zick wrote:
> > 
> > And the output of sensors with H.W. driver built-in:
> > 
> > root@...1:~# sensors
> > acpitz-virtual-0
> > Adapter: Virtual device
> > temp1:       +48.8�C  (crit = +94.8�C)
> > 
> > via-cputemp-isa-0000
> > Adapter: ISA adapter
> > Core 0:      +50.0�C
> > 
> > Which looks reasonable to me, on this machine.
> > 
> > Mike 
> 
> On VIA VB7002  acpitz  obviously does not work so I can not compare. I 
> guess BIOS does not support the temperature reading since there is no 
> temperature readout in BIOS. 
> 
> acpitz-virtual-0
> Adapter: Virtual device
> temp1:      -247.7 C  (crit = +140.0 C)
> 
> via-cputemp-isa-0000
> Adapter: ISA adapter
> Core 0:      +27.0 C
> 
> Is there a way to reset the CPU temperature calibration to the factory 
> default?  
> 

There should be among those registers we dumped
for Harald.  He now has a good and a bad case to
look at - he also has access to the msr magic numbers.

Mike
> Tomaz Mertelj 
> 
> 
> 


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