[linux-pm] [RFC][PATCH 2/2] PM: Rework handling of interrupts during suspend-resume

Arve Hjønnevåg arve at android.com
Wed Feb 25 17:17:23 PST 2009


On Tue, Feb 24, 2009 at 3:29 PM, Rafael J. Wysocki <rjw at sisk.pl> wrote:
> BTW, appended is the current (3rd) version of the $subject patch with some
> of your comments taken into account.  In particular, I did the following:
> - moved [suspend|resume]_device_irqs() to a separate file (pm.c)
> - fixed interrupt.h so that their headers are at a better place
> - made enable_irq() clear IRQ_SUSPENDED
> - made device_power_down() and device_power_up() call
>  suspend_device_irqs() and resume_device_irqs(), respectively, which
>  simplified the callers quite a bit (it changed the Xen code ordering, though,
>  but I _think_ it still should work).

Do you plan to fix edge triggered wakeup interrupts? It still looks
like edge triggered wakeup interrupts that occur between
suspend_device_irqs and local_irq_disable will not cause a wakeup.

-- 
Arve Hjønnevåg


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