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

Eric W. Biederman ebiederm at xmission.com
Wed Feb 25 20:20:35 PST 2009


Arve Hjønnevåg <arve at android.com> writes:

> We only have one gpio input driver, but I don't think is good to loose
> any wakeup interrupts. Any driver that needs an edge triggered wakeup
> interrupt will have problems if the hardware does not regenerate the
> interrupt when the host does not respond.

We are not loosing interrupts.  The normal implementation of disable
is a software disable and sets IRQ_PENDING to ensure we don't loose
interrupts when the interrupt is disabled.

Eric


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