Re: [PATCH] hwmon: (lm90) Fix driver to work on standard PCs with CONFIG_REGULATOR enabled

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On Sun, 26 Jan 2014 20:21:00 -0800, Guenter Roeck wrote:
> On 01/26/2014 03:08 PM, Guenter Roeck wrote:
> > On Ubuntu systems with CONFIG_REGULATOR enabled, the lm90 driver fails to load
> > with an error mesage such as
> >
> > i2c 1-0018: Driver lm90 requests probe deferral
> >
> > This is a result of commit 3e0f964f2ad (hwmon: (lm90) Add power control)
> > which adds mandatory regulator support to the lm90 driver. On non-dt systems
> > with CONFIG_REGULATOR enabled, this fails if regulators are not fully
> > specified. This is the case on a standard PC system.
> >
> Mark appears to object to that idea, so maybe we should just just revert
> 3e0f964f2ad until a more acceptable solution is found.

Well, I object as well, so I'm happy to not apply it. I hate seeing
IS_ENABLED() creep into driver code. Any issue like that should be
handled as a Kconfig dependency or with a better API.

-- 
Jean Delvare

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