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From: Jon Hunter <jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
To: "Rafael J. Wysocki" <rjw-LthD3rsA81gm4RdzfppkhA@public.gmane.org>,
	Kevin Hilman <khilman-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Ulf Hansson <ulf.hansson-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: Thierry Reding
	<thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Kukjin Kim <kgene-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Krzysztof Kozlowski
	<k.kozlowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
	Alexander Aring
	<alex.aring-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Eric Anholt <eric-WhKQ6XTQaPysTnJN9+BGXg@public.gmane.org>,
	linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Jon Hunter <jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Subject: [PATCH V2 00/10] PM / Domains: Add support for removing PM domains
Date: Mon, 12 Sep 2016 12:01:04 +0100	[thread overview]
Message-ID: <1473678074-15126-1-git-send-email-jonathanh@nvidia.com> (raw)

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

             reply	other threads:[~2016-09-12 11:01 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-12 11:01 Jon Hunter [this message]
2016-09-12 11:01 ` [PATCH V2 03/10] staging: board: Remove calls to of_genpd_get_from_provider() Jon Hunter
2016-09-12 11:01 ` [PATCH V2 05/10] PM / Domains: Don't expose xlate and provider helper functions Jon Hunter
     [not found] ` <1473678074-15126-1-git-send-email-jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2016-09-12 11:01   ` [PATCH V2 01/10] PM / Domains: Add new helper functions for device-tree Jon Hunter
2016-09-12 11:01   ` [PATCH V2 02/10] ARM: EXYNOS: Remove calls to of_genpd_get_from_provider() Jon Hunter
2016-09-12 11:01   ` [PATCH V2 04/10] PM / Domains: Don't expose generic_pm_domain structure to clients Jon Hunter
2016-09-12 11:01   ` [PATCH V2 06/10] PM / Domains: Verify the PM domain is present when adding a provider Jon Hunter
2016-09-12 11:01   ` [PATCH V2 07/10] PM / Domains: Prepare for adding support to remove PM domains Jon Hunter
2016-09-12 11:01   ` [PATCH V2 08/10] PM / Domains: Store the provider in the PM domain structure Jon Hunter
2016-09-12 12:56     ` Ulf Hansson
2016-09-12 11:01   ` [PATCH V2 09/10] PM / Domains: Add support for removing PM domains Jon Hunter
     [not found]     ` <1473678074-15126-10-git-send-email-jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2016-09-12 12:56       ` Ulf Hansson
2016-09-12 11:01   ` [PATCH V2 10/10] PM / Domains: Add support for removing nested PM domains by provider Jon Hunter
     [not found]     ` <1473678074-15126-11-git-send-email-jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2016-09-12 12:56       ` Ulf Hansson
2016-09-12 13:02   ` [PATCH V2 00/10] PM / Domains: Add support for removing PM domains Ulf Hansson
     [not found]     ` <CAPDyKFqd6vH=eCKBSQg0Q5w9x8sd0SiZ42E7yJn6ZDWP1OMuZg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-09-12 13:45       ` Rafael J. Wysocki
2016-09-14  0:58 ` Rafael J. Wysocki

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