genirq: Generic chip: Cache per irq bit mask
Cache the per irq bit mask instead of recalculating it over and over. Signed-off-by:Thomas Gleixner <tglx@linutronix.de> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Andrew Lunn <andrew@lunn.ch> Cc: Russell King - ARM Linux <linux@arm.linux.org.uk> Cc: Jason Cooper <jason@lakedaemon.net> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Jean-Francois Moine <moinejf@free.fr> Cc: devicetree-discuss@lists.ozlabs.org Cc: Rob Herring <rob.herring@calxeda.com> Cc: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Cc: Gregory Clement <gregory.clement@free-electrons.com> Cc: Gerlando Falauto <gerlando.falauto@keymile.com> Cc: Rob Landley <rob@landley.net> Acked-by:
Grant Likely <grant.likely@linaro.org> Cc: Maxime Ripard <maxime.ripard@free-electrons.com> Cc: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Cc: linux-arm-kernel@lists.infradead.org Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Link: http://lkml.kernel.org/r/20130506142539.227119865@linutronix.deSigned-off-by:
Thomas Gleixner <tglx@linutronix.de>
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