[PATCH v2 0/5] cpuidle: psci: Various improvements for PSCI PM domains

[Ulf Hansson]

On Tue, 7 Jul 2020 at 14:58, Ulf Hansson <ulf.hansson at linaro.org> wrote:
>
> Changes in v2:
>         - Put patch 3 as patch 1 and rebased accordingly. No other changes have
>         been made.
>         - Added reviewed-by and acked-by tags.

Rafael, I think this is ready to be picked up. In particular, the code
that Sudeep/Lorenzo cares most about has been reviewed by
Sudeep/Lukaz.

Kind regards
Uffe


>
> The main change in this series is done in patch 5/5, which implements support
> to prevent domain idlestates until all PSCI PM domain consumers are ready for
> it. To reach that point the corresponding code for cpuidle-psci and
> cpuidle-psci-domain, needed to be converted into platform drivers, which is
> done by the earlier changes in the series.
>
> Additionally, some improvements have been made to the error path, which becomes
> easier when the code gets converted to platform drivers.
>
> Deployment for a Qcom SoC, which actually takes full benefit of these changes
> are also in the pipe, but deferring then a bit until $subject series have been
> discussed.
>
> Kind regards
> Ulf Hansson
>
> Ulf Hansson (5):
>   cpuidle: psci: Split into two separate build objects
>   cpuidle: psci: Fail cpuidle registration if set OSI mode failed
>   cpuidle: psci: Fix error path via converting to a platform driver
>   cpuidle: psci: Convert PM domain to platform driver
>   cpuidle: psci: Prevent domain idlestates until consumers are ready
>
>  drivers/cpuidle/Kconfig.arm           |  10 ++
>  drivers/cpuidle/Makefile              |   5 +-
>  drivers/cpuidle/cpuidle-psci-domain.c |  74 +++++++++-----
>  drivers/cpuidle/cpuidle-psci.c        | 141 +++++++++++++++-----------
>  drivers/cpuidle/cpuidle-psci.h        |  11 +-
>  5 files changed, 150 insertions(+), 91 deletions(-)
>
> --
> 2.20.1
>