linux-kernel - Re: [PATCH 3/3] i8k: Remove laptop specific config data (fan_mult, fan

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Date:	Mon, 29 Dec 2014 23:35:07 -0800
From:	Guenter Roeck <linux@...ck-us.net>
To:	Gabriele Mazzotta <gabriele.mzt@...il.com>
Cc:	Pali Rohár <pali.rohar@...il.com>,
	Arnd Bergmann <arnd@...db.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jean Delvare <jdelvare@...e.de>,
	Steven Honeyman <stevenhoneyman@...il.com>,
	Jochen Eisinger <jochen@...guin-breeder.org>,
	linux-kernel@...r.kernel.org, Valdis.Kletnieks@...edu
Subject: Re: [PATCH 3/3] i8k: Remove laptop specific config data (fan_mult,
 fan_max) from driver

On Mon, Dec 29, 2014 at 01:50:22PM +0100, Gabriele Mazzotta wrote:
> On Monday 29 December 2014 13:22:52 Pali Rohár wrote:
> > On Sunday 28 December 2014 17:17:14 Gabriele Mazzotta wrote:
> > > OK, I wanted to double check in case I had something missing.
> > > 
> > > Patches tested on my XPS13: the correct values for fan_mult
> > > and fan_man are automatically selected.
> > 
> > Great. Are there any other problems? Now probe time when loading 
> > module should be lower and could not freeze system, right?
> 
> Yes, the system doesn't hang on module load. The only problem I have
> right night now is that the system temporarily hangs when I read or set
> the speed of the fan.

This is a known problem on some Dell laptops; one of mine has the same problem.
Nothing we can do about that, unfortunately. Only thing you can do is
to not read the fan speed.

Guenter
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