According to commit 659fb32d
("replace irq_gc_ack() with {set,clr}_bit variants"), this
should be fixed.
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

Add external interrupt support for S5P64X0.The external interrupt
group 0(0 to 15) is used for wake-up source in stop and sleep mode.
Add generic irq chip support
Signed-off-by: NPadmavathi Venna <padma.v@samsung.com>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>