From mboxrd@z Thu Jan 1 00:00:00 1970 From: khilman@kernel.org (Kevin Hilman) Date: Fri, 26 Sep 2014 08:47:34 -0700 Subject: [PATCH v3 01/13] PM / Domains: Add genpd attach/detach callbacks In-Reply-To: <1411662520-22795-2-git-send-email-geert+renesas@glider.be> (Geert Uytterhoeven's message of "Thu, 25 Sep 2014 18:28:28 +0200") References: <1411662520-22795-1-git-send-email-geert+renesas@glider.be> <1411662520-22795-2-git-send-email-geert+renesas@glider.be> Message-ID: <7heguy4c4p.fsf@deeprootsystems.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Geert Uytterhoeven writes: > While a PM domain can enable PM runtime management of its devices' module > clocks by setting > > genpd->dev_ops.stop = pm_clk_suspend; > genpd->dev_ops.start = pm_clk_resume; > > this also requires registering the clocks with the pm_clk subsystem. > In the legacy case, this is handled by the platform code, after > attaching the device to its PM domain. > > When the devices are instantiated from DT, devices are attached to their > PM domains by generic code, leaving no method for the platform-specific > PM domain code to register their clocks. > > Add two callbacks, allowing a PM domain to perform platform-specific > tasks when a device is attached to or detached from a PM domain. > > Signed-off-by: Geert Uytterhoeven > Reviewed-by: Ulf Hansson I replied to the previous RFC, but just to be thorough (and because I like this approach): Reviewed-by: Kevin Hilman Kevin