irqchip: renesas-irqc: Use lazy disable

Set the ->irq_enable() and ->irq_disable() methods to NULL
to enable lazy disable of interrupts. This by itself provides
some level of optimization, but is mainly enabled as ground
work for future Suspend-to-RAM wake up support.

Signed-off-by: Magnus Damm <damm@opensource.se>
Cc: rob.herring@calxeda.com
Cc: grant.likely@secretlab.ca
Cc: horms@verge.net.au
Link: http://lkml.kernel.org/r/20131204120546.29642.15772.sendpatchset@w520
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Magnus Damm 2013-12-04 21:05:46 +09:00 committed by Thomas Gleixner
parent c7a730fa46
commit 3aba556053

View file

@ -212,8 +212,6 @@ static int irqc_probe(struct platform_device *pdev)
irq_chip->name = name;
irq_chip->irq_mask = irqc_irq_disable;
irq_chip->irq_unmask = irqc_irq_enable;
irq_chip->irq_enable = irqc_irq_enable;
irq_chip->irq_disable = irqc_irq_disable;
irq_chip->irq_set_type = irqc_irq_set_type;
irq_chip->flags = IRQCHIP_SKIP_SET_WAKE;