davinci: cp_intc: provide set_wake function
There is nothing special to be done for interrupts which can wakeup the device from sleep on CP-INTC, but not having a set_wake implemented prevents use of common drivers which expect this function to be implemented for all wakeup interrupt sources. This patch fixes the issue encountered when using the omap-rtc driver on DA850. On DA850 the RTC alarm interrupt is used to wake up the SoC from deep sleep mode. Without this patch, the disable_irq_wake throws an unbalanced wake disable warning while resuming because the previous enable call fails for lack of set_wake implementation. Signed-off-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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@ -81,12 +81,23 @@ static int cp_intc_set_irq_type(unsigned int irq, unsigned int flow_type)
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return 0;
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}
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/*
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* Faking this allows us to to work with suspend functions of
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* generic drivers which call {enable|disable}_irq_wake for
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* wake up interrupt sources (eg RTC on DA850).
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*/
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static int cp_intc_set_wake(unsigned int irq, unsigned int on)
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{
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return 0;
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}
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static struct irq_chip cp_intc_irq_chip = {
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.name = "cp_intc",
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.ack = cp_intc_ack_irq,
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.mask = cp_intc_mask_irq,
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.unmask = cp_intc_unmask_irq,
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.set_type = cp_intc_set_irq_type,
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.set_wake = cp_intc_set_wake,
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};
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void __init cp_intc_init(void __iomem *base, unsigned short num_irq,
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