[RFC PATCH 0/8] PM / Domains: Add support for removing PM domains
Jon Hunter
jonathanh at nvidia.com
Mon Mar 28 05:38:49 PDT 2016
Hi Uffe,
On 04/03/16 12:33, Ulf Hansson wrote:
> On 4 March 2016 at 12:23, 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. Another alternative would be
>> to employ some reference counting for the PM domains, however, I did not see
>> a good reason for allowing external references in the first place (as always
>> there could be something that I have over-looked!).
>>
>> Jon Hunter (8):
>> 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
>> PM / Domains: Verify the PM domain is present when adding a provider
>> PM / Domains: Remove a provider by referencing the data pointer
>> PM / Domains: Prepare for adding support to remove PM domains
>> PM / Domains: Add support for removing PM domains
>>
>> arch/arm/mach-exynos/pm_domains.c | 23 +--
>> drivers/base/power/domain.c | 324 +++++++++++++++++++++++++++++++++++---
>> drivers/staging/board/board.c | 9 +-
>> include/linux/pm_domain.h | 55 ++++---
>> 4 files changed, 348 insertions(+), 63 deletions(-)
>>
>> --
>> 2.1.4
>>
>
> Jon, thanks for posting this!
> My initial impressions is the I like the ideas for where you moves this.
>
> I will review it in more details as soon as I can (travelling next week).
Just wanted to see if you have had chance to look at this yet? Not urgent.
Cheers
Jon
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