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The ACPI GPE wakeup from suspend-to-idle is currently based on using the IRQF_NO_SUSPEND flag for the ACPI SCI, but that is problematic for a couple of reasons. First, in principle the ACPI SCI may be shared and IRQF_NO_SUSPEND does not really work well with shared interrupts. Second, it may require the ACPI subsystem to special-case the handling of device notifications depending on whether or not they are received during suspend-to-idle in some places which would lead to fragile code. Finally, it's better the handle ACPI wakeup interrupts consistently with wakeup interrupts from other sources. For this reason, remove the IRQF_NO_SUSPEND flag from the ACPI SCI and use enable_irq_wake()/disable_irq_wake() with it instead, which requires two additional platform hooks to be added to struct platform_freeze_ops. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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| .. | ||
| autosleep.c | ||
| block_io.c | ||
| console.c | ||
| hibernate.c | ||
| Kconfig | ||
| main.c | ||
| Makefile | ||
| power.h | ||
| poweroff.c | ||
| process.c | ||
| qos.c | ||
| snapshot.c | ||
| suspend_test.c | ||
| suspend.c | ||
| swap.c | ||
| user.c | ||
| wakelock.c | ||