xtensa: add IRQ domains support
authorMax Filippov <jcmvbkbc@gmail.com>
Sat, 3 Nov 2012 20:29:12 +0000 (00:29 +0400)
committerChris Zankel <chris@zankel.net>
Wed, 19 Dec 2012 05:10:23 +0000 (21:10 -0800)
IRQ domains provide a mechanism for conversion of linux IRQ numbers to
hardware IRQ numbers and vice versus. It is used by OpenFirmware for
linking device tree objects to their respective interrupt controllers.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>

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