Re: [PATCH 0/6] PM: Unify the handling of device wakeup settings

From: Mika Westerberg
Date: Thu Jun 22 2017 - 04:24:34 EST


On Mon, Jun 19, 2017 at 11:31:58PM +0200, Rafael J. Wysocki wrote:
> Hi All,
>
> The handling of device wakeup settings, especially in the ACPI core and the PCI
> bus type, depends on whether it is about system wakeup from sleep states or
> remote wakeup in the working state (runtime). However, that distinction is
> mostly based on the ACPI concept of "wakeup" and "runtime" GPEs, which is
> somewhat artificial, because the underlying hardware mechanism is basically
> the same in both cases.
>
> Moreover, suspend-to-idle is now supported as a sleep state and wakeup from it
> is based on exactly the same hardware capabilities as the working-state
> (runtime) remote wakeup.
>
> The following patch series removes that distinction and unifies the handling of
> device wakeup settings between system sleep and runtime. It also fixes one
> issue related to wakeup signaling through PCI bridges.
>
> [1/6]: Get rid of the "runtime wakeup" concept from the ACPI core.
> [2/6]: Unify device wakeup settings code paths in the ACPI core.
> [3-4/6]: Unify device wakeup settings code paths in the PCI bus type code.
> [5/6]: Fix wakeup-related issue with bridges in the PCI bus type code.
> [6/6]: Get rid of the "runtime wakeup" concept from the driver core.
>
> The series is based on current linux-next and will be made available for
> testing in the linux-pm.git tree in a couple of days.

Apart from that one minor comment, this looks good to me. I'm happy that
we get rid of those run_wake things which I always find really
confusing :)

For the whole series,

Reviewed-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>