From: Jon Hunter <jonathanh@nvidia.com>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>,
Kevin Hilman <khilman@kernel.org>,
Ulf Hansson <ulf.hansson@linaro.org>
Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>,
linux-pm@vger.kernel.org, Alexander Aring <alex.aring@gmail.com>,
Eric Anholt <eric@anholt.net>,
Thierry Reding <thierry.reding@gmail.com>,
Kukjin Kim <kgene@kernel.org>,
linux-tegra@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [RFC PATCH 1/8] PM / Domains: Add new helper functions for device-tree
Date: Wed, 22 Jun 2016 15:58:58 +0100 [thread overview]
Message-ID: <576AA7B2.5030004@nvidia.com> (raw)
In-Reply-To: <1457090634-14785-2-git-send-email-jonathanh@nvidia.com>
Hi Ulf,
On 04/03/16 11:23, Jon Hunter wrote:
> Ideally, if we are returning a reference to a PM domain via a call to
> of_genpd_get_from_provider(), then we should keep track of such
> references via a reference count. The reference count could then be used
> to determine if a PM domain can be safely removed. Alternatively, it is
> possible to avoid such external references by providing APIs to access
> the PM domain and hence, eliminate any calls to
> of_genpd_get_from_provider().
>
> Add new helper functions for adding a device and a subdomain to a PM
> domain when using device-tree, so that external calls to
> of_genpd_get_from_provider() can be removed.
While we are at it, does it make sense to add helpers for
of_genpd_remove_device/subdomain() as well? Seems that these could be
useful for doing the inverse when cleaning up.
Cheers
Jon
--
nvpublic
next prev parent reply other threads:[~2016-06-22 14:58 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-04 11:23 [RFC PATCH 0/8] PM / Domains: Add support for removing PM domains Jon Hunter
2016-03-04 11:23 ` [RFC PATCH 3/8] staging: board: Remove calls to of_genpd_get_from_provider() Jon Hunter
2016-03-04 11:23 ` [RFC PATCH 4/8] PM / Domains: Don't expose generic_pm_domain structure Jon Hunter
2016-08-05 11:55 ` Ulf Hansson
2016-03-04 11:23 ` [RFC PATCH 6/8] PM / Domains: Remove a provider by referencing the data pointer Jon Hunter
[not found] ` <1457090634-14785-7-git-send-email-jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2016-06-15 14:38 ` Ulf Hansson
2016-06-21 13:47 ` Jon Hunter
[not found] ` <5769455C.9010809-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2016-07-11 13:14 ` Jon Hunter
2016-08-05 11:55 ` Ulf Hansson
[not found] ` <CAPDyKFovC07Z9y-4RQ4MKGtjJx5w1D8er3Fv-8HF2qyTKgVViQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-08-11 16:39 ` Jon Hunter
[not found] ` <18ad702c-83fe-fd6d-89ae-57e6f2715860-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2016-08-12 0:24 ` Rafael J. Wysocki
2016-06-21 14:45 ` Jon Hunter
2016-03-04 11:23 ` [RFC PATCH 8/8] PM / Domains: Add support for removing PM domains Jon Hunter
[not found] ` <1457090634-14785-9-git-send-email-jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2016-06-15 14:33 ` Ulf Hansson
2016-06-21 14:08 ` Jon Hunter
[not found] ` <1457090634-14785-1-git-send-email-jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2016-03-04 11:23 ` [RFC PATCH 1/8] PM / Domains: Add new helper functions for device-tree Jon Hunter
2016-06-22 11:00 ` Jon Hunter
2016-06-22 14:58 ` Jon Hunter [this message]
2016-06-22 15:08 ` Ulf Hansson
2016-06-22 15:22 ` Jon Hunter
2016-06-22 15:36 ` Ulf Hansson
2016-03-04 11:23 ` [RFC PATCH 2/8] ARM: EXYNOS: Remove calls to of_genpd_get_from_provider() Jon Hunter
2016-03-04 11:23 ` [RFC PATCH 5/8] PM / Domains: Verify the PM domain is present when adding a provider Jon Hunter
2016-08-05 11:57 ` Ulf Hansson
2016-03-04 11:23 ` [RFC PATCH 7/8] PM / Domains: Prepare for adding support to remove PM domains Jon Hunter
2016-03-04 12:33 ` [RFC PATCH 0/8] PM / Domains: Add support for removing " Ulf Hansson
[not found] ` <CAPDyKFq3hNARzjSOoP+-NmcgfSWzG6GDmh7qVX6yx6QPgN9Arw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-03-28 12:38 ` Jon Hunter
[not found] ` <56F925D9.3080703-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2016-06-06 13:19 ` Jon Hunter
2016-06-15 14:46 ` Ulf Hansson
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