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Commit 5ff04b72 authored by Dongsheng.wang@freescale.com's avatar Dongsheng.wang@freescale.com Committed by Scott Wood
Browse files

powerpc/mpic: add irq_set_wake support 



Add irq_set_wake support. Just add IRQF_NO_SUSPEND to desc->action->flag.
So the wake up interrupt will not be disable in suspend_device_irqs.

Signed-off-by: default avatarWang Dongsheng <dongsheng.wang@freescale.com>
Signed-off-by: default avatarScott Wood <scottwood@freescale.com>
parent 9837b43c

arch/powerpc/sysdev/mpic.c

+18 −0
Original line number Diff line number Diff line
@@ -920,6 +920,22 @@ int mpic_set_irq_type(struct irq_data *d, unsigned int flow_type) 
	return IRQ_SET_MASK_OK_NOCOPY;

}



static int mpic_irq_set_wake(struct irq_data *d, unsigned int on)

{

	struct irq_desc *desc = container_of(d, struct irq_desc, irq_data);

	struct mpic *mpic = mpic_from_irq_data(d);



	if (!(mpic->flags & MPIC_FSL))

		return -ENXIO;



	if (on)

		desc->action->flags |= IRQF_NO_SUSPEND;

	else

		desc->action->flags &= ~IRQF_NO_SUSPEND;



	return 0;

}



void mpic_set_vector(unsigned int virq, unsigned int vector)

{

	struct mpic *mpic = mpic_from_irq(virq);
@@ -957,6 +973,7 @@ static struct irq_chip mpic_irq_chip = { 
	.irq_unmask	= mpic_unmask_irq,

	.irq_eoi	= mpic_end_irq,

	.irq_set_type	= mpic_set_irq_type,

	.irq_set_wake	= mpic_irq_set_wake,

};



#ifdef CONFIG_SMP
@@ -971,6 +988,7 @@ static struct irq_chip mpic_tm_chip = { 
	.irq_mask	= mpic_mask_tm,

	.irq_unmask	= mpic_unmask_tm,

	.irq_eoi	= mpic_end_irq,

	.irq_set_wake	= mpic_irq_set_wake,

};



#ifdef CONFIG_MPIC_U3_HT_IRQS