[PATCH V2 00/10] PM / Domains: Add support for removing PM domains

[Ulf Hansson]

On 12 September 2016 at 13:01, Jon Hunter <jonathanh at nvidia.com> wrote:
> In order to safely remove PM domains there are a few changes that need to be
> made to ensure that no one is holding an external reference to a PM domain
> after it has been removed. One solution, implemented here, solves this by
> eliminating external references to PM domain.
>
> Changes from V1:
> - Added test when removing a PM domain to ensure the PM domain provider
>   has been removed.
> - Re-organised patches 8-10 so that patch #8 adds the code to verify if
>   the provider is present, patch #9 adds basic support for removing PM
>   domains and patch #10 adds support for removing PM domains by provider.
>
> Changes from initial RFC:
> - Renamed functions made static per Ulf's feedback.
> - Added patch to clean-up provider/xlate APIs per Ulf's feedback
> - Re-worked and simplified the association between PM domains and PM
>   domain providers. Dropped the 'provider_data' variable from the
>   generic_pm_domain structure in favour of using the fwnode_handle.
> - Split patch for removing PM domains into multiple patches per Ulf's
>   feedback.
>
> Jon Hunter (10):
>   PM / Domains: Add new helper functions for device-tree
>   ARM: EXYNOS: Remove calls to of_genpd_get_from_provider()
>   staging: board: Remove calls to of_genpd_get_from_provider()
>   PM / Domains: Don't expose generic_pm_domain structure to clients
>   PM / Domains: Don't expose xlate and provider helper functions
>   PM / Domains: Verify the PM domain is present when adding a provider
>   PM / Domains: Prepare for adding support to remove PM domains
>   PM / Domains: Store the provider in the PM domain structure
>   PM / Domains: Add support for removing PM domains
>   PM / Domains: Add support for removing nested PM domains by provider
>
>  drivers/base/power/domain.c      | 353 +++++++++++++++++++++++++++++++++++----
>  drivers/soc/samsung/pm_domains.c |  23 +--
>  drivers/staging/board/board.c    |   9 +-
>  include/linux/pm_domain.h        |  74 ++++----
>  4 files changed, 364 insertions(+), 95 deletions(-)
>
> --
> 2.1.4
>

Jon, thanks for being patient and keep working on this series! I have
now completed the review and I am happy with this version.

Also, I remember Krzysztof requested an immutable branch for this
series, I guess Rafael can arrange that if still needed!?

Kind regards
Uffe