Re: [PATCH 2/2] hwmon: (pwm-fan) Add proper #ifdef CONFIG_OF guard for of_device_id table

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Hi Guenter, Axel,

On Thu, 24 Jul 2014 21:56:00 -0700, Guenter Roeck wrote:
> On 07/24/2014 09:46 PM, Axel Lin wrote:
> > 2014-07-25 12:29 GMT+08:00 Guenter Roeck <linux@xxxxxxxxxxxx>:
> >> The driver won't instantiate if OF is not configured.
> > You are right.
> > Then how about adding OF dependency to config SENSORS_PWM_FAN?
> 
> Then it won't compile with allmodconfig on x86. I prefer to be able
> to compile it. So we would have to add COMPILE_TEST as secondary
> dependency, and things would get more and more complex.
> Not really sure if I want to go along that route.
> 
> Jean, any thoughts ?

depends on OF || COMPILE_TEST

is good and not complex at all, just do that :) Note that you can put
this on a line on its own, this is the recommended way to keep
functional (build-time) dependencies and run-time dependencies clearly
separated.

FWIW I have been speaking loudly in various occasions in favor of
generalizing the use of run-time dependencies in combination with
COMPILE_TEST. So I would be very happy if the hwmon subsystem goes down
that road too.

-- 
Jean Delvare
SUSE L3 Support

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