Re: [RFC PATCH 0/8] PM / Domains: Add support for removing PM domains

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Hi Uffe,

On 04/03/16 12:33, Ulf Hansson wrote:
> On 4 March 2016 at 12:23, Jon Hunter <jonathanh@xxxxxxxxxx> 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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