linux-kernel - Re: [lm-sensors] [PATCH] hwmon: Add driver for intel PCI thermal subsystem

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Message-ID: <68676e00912110858i1cb8f7aclc8e7802840b6f84e@mail.gmail.com>
Date:	Fri, 11 Dec 2009 17:58:03 +0100
From:	Luca Tettamanti <kronos.it@...il.com>
To:	Matthew Garrett <mjg59@...f.ucam.org>
Cc:	lm-sensors@...sensors.org, linux-kernel@...r.kernel.org
Subject: Re: [lm-sensors] [PATCH] hwmon: Add driver for intel PCI thermal 
	subsystem

On Fri, Dec 11, 2009 at 5:50 PM, Matthew Garrett <mjg59@...f.ucam.org> wrote:
> On Fri, Dec 11, 2009 at 05:47:29PM +0100, Luca Tettamanti wrote:
>> Sorry, I think we're not understanding each other :)
>> Does the PCH samples the values directly from the probes? Or is it an
>> interface for the real monitoring chip (most likely the superio chip)?
>> In the latter case it might be possible to access directly the
>> monitoring hardware using another driver (e.g. w83627ehf, lm80, etc.),
>> thus racing against the PCI driver.
>> Did I make myself clear?
>
> I don't think there's any other chip. On systems using external chips,
> this PCI device will simply be disabled by the BIOS before the OS boots.

Ok, good.
The other potential issue is asus_atk0110 driver; ASUS boards have a
ACPI interface to the hwmon stuff.
Will check with my testers.

Luca
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