Commit 12882096 authored by Igor Grinberg's avatar Igor Grinberg Committed by Eric Miao
Browse files

[ARM] pxa: add set_type to the pxa3xx ext_wakeup irq chip. 



pxa3xx cpu needs the irq type setup to be able to
wakeup from low power mode on IRQ_WAKEUPx events.

Signed-off-by: default avatarIgor Grinberg <grinberg@compulab.co.il>
Signed-off-by: default avatarMike Rapoport <mike@compulab.co.il>
Signed-off-by: default avatarEric Miao <eric.y.miao@gmail.com>
parent dcd925f9

arch/arm/mach-pxa/pxa3xx.c

+12 −0
Original line number Diff line number Diff line
@@ -552,11 +552,23 @@ static void pxa_unmask_ext_wakeup(unsigned int irq) 
	PECR |= PECR_IE(irq - IRQ_WAKEUP0);

}



static int pxa_set_ext_wakeup_type(unsigned int irq, unsigned int flow_type)

{

	if (flow_type & IRQ_TYPE_EDGE_RISING)

		PWER |= 1 << (irq - IRQ_WAKEUP0);



	if (flow_type & IRQ_TYPE_EDGE_FALLING)

		PWER |= 1 << (irq - IRQ_WAKEUP0 + 2);



	return 0;

}



static struct irq_chip pxa_ext_wakeup_chip = {

	.name		= "WAKEUP",

	.ack		= pxa_ack_ext_wakeup,

	.mask		= pxa_mask_ext_wakeup,

	.unmask		= pxa_unmask_ext_wakeup,

	.set_type	= pxa_set_ext_wakeup_type,

};



static void __init pxa_init_ext_wakeup_irq(set_wake_t fn)