genirq: Set IRQCHIP_SKIP_SET_WAKE flag for dummy_irq_chip

Roger Quadros · KAGA-KOKO · commit 10a50f1ab5f0 · 2015-04-24T20:57:06.000+02:00
Without this system suspend is broken on systems that have drivers calling enable/disable_irq_wake() for interrupts based off the dummy irq hook. (e.g. drivers/gpio/gpio-pcf857x.c) Signed-off-by: Roger Quadros <rogerq@ti.com> Cc: <cw00.choi@samsung.com> Cc: <balbi@ti.com> Cc: <tony@atomide.com> Cc: Gregory Clement <gregory.clement@free-electrons.com> Link: http://lkml.kernel.org/r/552E1DD3.4040106@ti.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/kernel/irq/dummychip.c b/kernel/irq/dummychip.c
@@ -57,5 +57,6 @@ struct irq_chip dummy_irq_chip = {
 	.irq_ack	= noop,
 	.irq_mask	= noop,
 	.irq_unmask	= noop,
+	.flags		= IRQCHIP_SKIP_SET_WAKE,
 };
 EXPORT_SYMBOL_GPL(dummy_irq_chip);
