On Thu, 2014-11-20 at 08:22 -0800, S?ren Brinkmann wrote:

Also, I hope all my changes here don't break the current behavior. So,
those 27 driver should still be able to do what they currently do. But I
hope they could migrated over to use the generic bindings only in the
longer term, so that these custom properties disappear.

quoted

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The pinctrl driver just assembles
some data structure that has the information regarding custom properties
and the core handles the rest.

Yup, that is nice. What will be really nice if it also handle custom,
"function", "groups" and "pins" properties. Otherwise most of the drivers
will not be able to benefit from this.

Why would you still need those? 

I don't need them :-). The point was that still majority of the drivers
will have custom parsing functions. It would be nice if we could fix
that too. I do understand that using custom "pins", "functions"... is
something which is deprecated, but if core parsing functions allow
passing custom strings for above purposes, in a similar way as your
proposal, it will be easier for those drivers to migrate, I believe.

Regards,
Ivan