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mfd: Add itps65910 wakeup support

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Implementing irq_set_wake() so that device should able
to wakeup the system through different interrupt provided
by this device like gpios, onkey, rtc etc.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Laxman Dewangan 2012-01-23 13:16:15 +05:30 committed by Samuel Ortiz
parent 88a1cfd6f3
commit 0dc299a3c4
1 changed files with 11 additions and 0 deletions
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11
drivers/mfd/tps65910-irq.c
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@ -145,12 +145,23 @@ static void tps65910_irq_disable(struct irq_data *data)
tps65910->irq_mask |= ( 1 << irq_to_tps65910_irq(tps65910, data->irq)); tps65910->irq_mask |= ( 1 << irq_to_tps65910_irq(tps65910, data->irq));
} }
#ifdef CONFIG_PM_SLEEP
static int tps65910_irq_set_wake(struct irq_data *data, unsigned int enable)
{
struct tps65910 *tps65910 = irq_data_get_irq_chip_data(data);
return irq_set_irq_wake(tps65910->chip_irq, enable);
}
#else
#define tps65910_irq_set_wake NULL
#endif
static struct irq_chip tps65910_irq_chip = { static struct irq_chip tps65910_irq_chip = {
.name = "tps65910", .name = "tps65910",
.irq_bus_lock = tps65910_irq_lock, .irq_bus_lock = tps65910_irq_lock,
.irq_bus_sync_unlock = tps65910_irq_sync_unlock, .irq_bus_sync_unlock = tps65910_irq_sync_unlock,
.irq_disable = tps65910_irq_disable, .irq_disable = tps65910_irq_disable,
.irq_enable = tps65910_irq_enable, .irq_enable = tps65910_irq_enable,
.irq_set_wake = tps65910_irq_set_wake,
}; };
int tps65910_irq_init(struct tps65910 *tps65910, int irq, int tps65910_irq_init(struct tps65910 *tps65910, int irq,