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An interrupt that is disabled/masked but set for wakeup may still need to be able to wake up the system from sleep states like "suspend to RAM". To that effect, introduce the IRQCHIP_ENABLE_WAKEUP_ON_SUSPEND flag. If the irqchip have this flag set, the irq PM code will enable/unmask the irqs that are marked for wakeup, but that are in a disabled state. On resume, such irqs will be restored back to their disabled state. Suggested-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Maulik Shah <mkshah@codeaurora.org> [maz: commit message fix-up] Signed-off-by: Marc Zyngier <maz@kernel.org> Tested-by: Stephen Boyd <swboyd@chromium.org> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Douglas Anderson <dianders@chromium.org> Link: https://lore.kernel.org/r/1601267524-20199-4-git-send-email-mkshah@codeaurora.org |
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