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| author | Igor Grinberg <grinberg@compulab.co.il> | 2010-06-13 11:31:48 +0300 |
|---|---|---|
| committer | Eric Miao <eric.y.miao@gmail.com> | 2010-08-05 14:32:17 +0800 |
| commit | 12882096517e17b6bc5108b843c85534aefbf6b1 (patch) | |
| tree | ec379cdadea9a20d5cf8bb2d6953f8d86d054ca3 /arch/arm/mach-pxa/pxa3xx.c | |
| parent | dcd925f95194da42e42cea7e5f901f9746cf441c (diff) | |
| download | linux-12882096517e17b6bc5108b843c85534aefbf6b1.tar.bz2 | |
[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: 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>
Diffstat (limited to 'arch/arm/mach-pxa/pxa3xx.c')
| -rw-r--r-- | arch/arm/mach-pxa/pxa3xx.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c index f544e58e1536..c18d2dfa3faf 100644 --- a/arch/arm/mach-pxa/pxa3xx.c +++ b/arch/arm/mach-pxa/pxa3xx.c @@ -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) |