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authorGeert Uytterhoeven <geert+renesas@glider.be>2014-09-25 16:28:28 (GMT)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-09-25 20:08:41 (GMT)
commitd79b6fe17aa279c7015a9c4ee88809dad4be9959 (patch)
tree243cdfa1fc71557e944e99e023993961cdb778e8 /Kbuild
parent2bd5306a8764d9496f3e3d90c4e608c247fcfd31 (diff)
downloadlinux-d79b6fe17aa279c7015a9c4ee88809dad4be9959.tar.xz
PM / Domains: Add genpd attach/detach callbacks
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 <geert+renesas@glider.be> Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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