linux-kernel - Re: lm90 driver no longer working on PCs in 3.13

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Message-ID: <20140126204204.GI11727@sirena.org.uk>
Date:	Sun, 26 Jan 2014 20:42:04 +0000
From:	Mark Brown <broonie@...nel.org>
To:	Jean Delvare <khali@...ux-fr.org>
Cc:	Guenter Roeck <linux@...ck-us.net>,
	LM Sensors <lm-sensors@...sensors.org>,
	linux-kernel@...r.kernel.org, Liam Girdwood <lgirdwood@...il.com>,
	Wei Ni <wni@...dia.com>
Subject: Re: lm90 driver no longer working on PCs in 3.13

On Sun, Jan 26, 2014 at 09:13:57PM +0100, Jean Delvare wrote:

> Me, I really don't know. I seem to remember I tested Wei's patch set on
> an emulated ADM1032 chip and it was working fine. So maybe it depends
> on the kernel configuration, or something changed on the regulator side
> meanwhile.

The regulator API hasn't changed here, probably the regulator API was
enabled when previously it was disabled.  If the platform doesn't have
regulator support either natively or via use of a firmware interface
like OF then enabling it is going to cause problems since no supplies
will be mapped in.

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