genirq: Set IRQCHIP_SKIP_SET_WAKE for no_irq_chip
If no_irq_chip is used for wake up (e.g. gpio-keys with a simple GPIO
controller), the following warning is printed on resume from s2ram:
WANING: CPU: 0 PID: 1046 at kernel/irq/manage.c:537 irq_set_irq_wake+0x9c/0xf8()
Unbalanced IRQ 113 wake disable
This happens because no_irq_chip does not implement
irq_chip.irq_set_wake(), causing set_irq_wake_real() to return -ENXIO,
and irq_set_irq_wake() to reset the wake_depth to zero.
Set IRQCHIP_SKIP_SET_WAKE to indicate that irq_chip.irq_set_wake() is
not implemented.
Cfr. commit 10a50f1ab5
("genirq: Set IRQCHIP_SKIP_SET_WAKE flag
for dummy_irq_chip").
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Roger Quadros <rogerq@ti.com>
Cc: Gregory Clement <gregory.clement@free-electrons.com>
Link: http://lkml.kernel.org/r/1432281529-23325-1-git-send-email-geert%2Brenesas@glider.be
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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@ -42,6 +42,7 @@ struct irq_chip no_irq_chip = {
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.irq_enable = noop,
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.irq_disable = noop,
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.irq_ack = ack_bad,
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.flags = IRQCHIP_SKIP_SET_WAKE,
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};
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/*
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