linux-kernel - Re: [lm-sensors] 2.6.24-rc4 hwmon it87 probe fails

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Message-Id: <20071221145019.b853c67e.mikeserv@bmts.com>
Date:	Fri, 21 Dec 2007 14:50:19 -0500
From:	Mike Houston <mikeserv@...s.com>
To:	Bjorn Helgaas <bjorn.helgaas@...com>
Cc:	Jean Delvare <khali@...ux-fr.org>,
	Shaohua Li <shaohua.li@...el.com>,
	Mike Houston <mikeserv@...s.com>, Adrian Bunk <bunk@...sta.de>,
	Elvis Pranskevichus <el@...ns.net>, mhoffman@...htlink.com,
	linux-kernel@...r.kernel.org, lm-sensors@...sensors.org,
	Adam Belay <ambx1@....rr.com>,
	Zhao Yakui <yakui.zhao@...el.com>,
	Thomas Renninger <trenn@...e.de>, lenb@...nel.org,
	linux-acpi@...r.kernel.org
Subject: Re: [lm-sensors] 2.6.24-rc4 hwmon it87 probe fails

On Fri, 21 Dec 2007 12:00:30 -0700
Bjorn Helgaas <bjorn.helgaas@...com> wrote:

> What do you think of something like the following patch?  If we do
> this, I don't think we'd need to force pnpacpi=off or change the
> way PNP reserves resources.
> 
> I'll be on vacation until about January 2, so I won't be able to
> do much with this until then.
> 
> 
> 
> [patch] it87: request only Environment Controller ports

I'm not qualified to give an opinion on what's proper for the
kernel, so all I can say is that I've applied it (to fresh 2.6.24-rc6
source without Shaohua's pnpacpi patch) and it works nicely for me.

>From /proc/ioports:

0290-029f : pnp 00:01
  0290-0294 : pnp 00:01
  0295-0296 : it87
    0295-0296 : it87

>From dmesg:

system 00:01: ioport range 0x290-0x29f has been reserved
...
system 00:01: ioport range 0x290-0x294 has been reserved

My sensors work.

Thanks for this patch,

Mike Houston
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