[PATCH] hwmon: (gpio-fan) allow to use alarm support alone from DT

[Guenter Roeck]

On Wed, Feb 25, 2015 at 04:04:59PM +0100, Andrew Lunn wrote:
> > However, we need to state and check in the code that _some_ property
> > is mandatory. A driver with only optional properties doesn't make
> > sense.
> 
> The patch to the binding documentation said:
> 
> Note: At least one the "gpios" and "alarm-gpios" properties should be set.
> 
> which i then suggested should be:
> 
> Note: At least one of "gpios" or "alarm-gpios" properties should be set.
> 
"should" is not "must".

Guenter

> What we could do is move this sentence into the Required Properties of
> the documentation.
> 
> The patch Simon submitted also does check that this condition is
> fulfilled.
> 
> 	Andrew
> 
> 
>