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irqchip: renesas-intc-irqpin: Add suspend-to-RAM wake up support 

Set the ->irq_enable() and ->irq_disable() methods to NULL to enable
lazy disable of interrupts, and set IRQCHIP_MASK_ON_SUSPEND to tell the
core that only IRQs marked as wake-ups need to stay enabled during
suspend-to-RAM.

This makes wake-up by gpio-keys from suspend-to-RAM work on
r8a7740/Armadillo.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lkml.kernel.org/r/1408546172-22484-1-git-send-email-geert+renesas@glider.be
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
This commit is contained in:
Geert Uytterhoeven 2014-08-20 16:49:32 +02:00 committed by Jason Cooper
parent 7d1311b93e
commit 1c36d42c4f
1 changed files with 1 additions and 3 deletions
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4
drivers/irqchip/irq-renesas-intc-irqpin.c
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@ -454,10 +454,8 @@ static int intc_irqpin_probe(struct platform_device *pdev)
irq_chip->name = name;
irq_chip->irq_mask = disable_fn;
irq_chip->irq_unmask = enable_fn;
irq_chip->irq_enable = enable_fn;
irq_chip->irq_disable = disable_fn;
irq_chip->irq_set_type = intc_irqpin_irq_set_type;
irq_chip->flags = IRQCHIP_SKIP_SET_WAKE;
irq_chip->flags = IRQCHIP_SKIP_SET_WAKE | IRQCHIP_MASK_ON_SUSPEND;
p->irq_domain = irq_domain_add_simple(pdev->dev.of_node,
p->number_of_irqs,