irqdomain: Make ops->map hook optional
authorGrant Likely <grant.likely@secretlab.ca>
Mon, 4 Jun 2012 05:04:39 +0000 (22:04 -0700)
committerGrant Likely <grant.likely@secretlab.ca>
Sun, 17 Jun 2012 21:41:57 +0000 (15:41 -0600)
commitaed98048bd1c83469d96932c1901e867d9ba519a
treeb1347b9e4f3953de7a2ff665fbded5ba2c306d60
parent732557047128e5c200c3590efba39f10ac46bcb2
irqdomain: Make ops->map hook optional

There isn't a really compelling reason to force ->map to be populated,
so allow it to be left unset.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Rob Herring <rob.herring@calxeda.com>
kernel/irq/irqdomain.c