From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jon Hunter Subject: [PATCH 00/10] PM / Domains: Add support for removing PM domains Date: Tue, 16 Aug 2016 10:49:26 +0100 Message-ID: <1471340976-5379-1-git-send-email-jonathanh@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: "Rafael J. Wysocki" , Kevin Hilman , Ulf Hansson Cc: Krzysztof Kozlowski , linux-pm@vger.kernel.org, Alexander Aring , Jon Hunter , Eric Anholt , Thierry Reding , Kukjin Kim , linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org List-Id: linux-pm@vger.kernel.org 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. This is a follow-up to the initial RFC I sent out [0]. 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. [0] http://marc.info/?l=linux-pm&m=145709064407085&w=2 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: Add support for removing PM domains PM / Domains: Store the provider in the PM domain structure PM / Domains: Add support for removing nested PM domains by provider drivers/base/power/domain.c | 361 +++++++++++++++++++++++++++++++++++---- drivers/soc/samsung/pm_domains.c | 23 +-- drivers/staging/board/board.c | 9 +- include/linux/pm_domain.h | 73 ++++---- 4 files changed, 371 insertions(+), 95 deletions(-) -- 2.1.4