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

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

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
This commit is contained in:
Igor Grinberg
2010-06-13 11:31:48 +03:00
committed by Eric Miao
parent dcd925f951
commit 1288209651
1 changed files with 12 additions and 0 deletions
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12
arch/arm/mach-pxa/pxa3xx.c
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@@ -552,11 +552,23 @@ static void pxa_unmask_ext_wakeup(unsigned int irq)
PECR |= PECR_IE(irq - IRQ_WAKEUP0); 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 = { static struct irq_chip pxa_ext_wakeup_chip = {
.name = "WAKEUP", .name = "WAKEUP",
.ack = pxa_ack_ext_wakeup, .ack = pxa_ack_ext_wakeup,
.mask = pxa_mask_ext_wakeup, .mask = pxa_mask_ext_wakeup,
.unmask = pxa_unmask_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) static void __init pxa_init_ext_wakeup_irq(set_wake_t fn)