[PATCH v5 1/3] gpio: Cygnus: define Broadcom Cygnus GPIO binding

Russell King - ARM Linux linux at arm.linux.org.uk
Wed Dec 17 02:44:28 PST 2014


On Wed, Dec 17, 2014 at 11:45:01AM +0900, Alexandre Courbot wrote:
> Actually we are not that far from being able to do completely without
> any GPIO number, and maybe that's what we should aim for. I think the
> only remaining offender is the sysfs interface.

And that is a user API, and there's lots of users of it (eg, on Raspberry
Pi platforms.)  So changing it isn't going to be easy - I'd say that it's
impractical.

What you're suggesting would be like re-numbering Linux syscalls.

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