From: khilman@kernel.org (Kevin Hilman) Date: Mon, 01 Dec 2014 17:09:45 -0800 Subject: [PATCH V4 1/3] PM / Domains: Initial PM clock support for genpd In-Reply-To: <1417434623-31301-2-git-send-email-ulf.hansson@linaro.org> (Ulf Hansson's message of "Mon, 1 Dec 2014 12:50:21 +0100") References: <1417434623-31301-1-git-send-email-ulf.hansson@linaro.org> <1417434623-31301-2-git-send-email-ulf.hansson@linaro.org> Message-ID: <7h7fya502u.fsf@deeprootsystems.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Ulf Hansson writes: > It's quite common for PM domains to use PM clocks. Typically from SOC > specific code, the per device PM clock list is created and > pm_clk_suspend|resume() are invoked to handle clock gating/ungating. > > A step towards consolidation is to integrate PM clock support into > genpd, which is what this patch does. > > In this initial step, the calls to the pm_clk_suspend|resume() are > handled within genpd, but the per device PM clock list still needs to > be created from SOC specific code. It seems reasonable to have gendp to > handle that as well, but that left to future patches to address. > > It's not every users of genpd that are keen on using PM clocks, thus we > need to provide this a configuration option for genpd. Therefore let's > add flag field in the genpd struct to keep this information and define > a new GENDP_FLAG_PM_CLK bit for it. > > Signed-off-by: Ulf Hansson > Acked-by: Geert Uytterhoeven Acked-by: Kevin Hilman Are you also planning to add a way to enable this option from DT? Kevin