On Wednesday 12 November 2014 17:02:56 Alexander Stein wrote:

This features already exists for board config setups. Add support for
device tree based systems.

Signed-off-by: Alexander Stein <redacted>
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Please note: Due to current lack of hardware I could not test it yet. V2
includes the changes proposed by Dmitry.

Changes in v2:
* Added device tree bindings
* IRQ is only parsed and mapped when there is no "gpios" property

Can you list one or more examples in the patch description?
Are these systems that don't expose the GPIO controller with a
standalone driver, or systems that really actually connect the
buttons to an interrupt pin?

	Arnd