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OPPs are created statically (from DT) or dynamically. Currently we don't free OPPs that are created statically, when the module unloads. And so if the module is inserted back again, we get warning for duplicate OPPs as the same were already present. Also, there might be a need to remove dynamic OPPs in future and so API for that is also added. This patch adds helper APIs to remove/free existing static and dynamic OPPs. Because the OPPs are used both under RCU and SRCU, we have to wait for grace period of both. And so are using kfree_rcu() from within call_srcu(). Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> 
Viresh Kumar
authored and
 Rafael J. Wysocki
commited |
129eec55df | |
CPUFreq specific helper functions for OPP (Operating Performance Points) now use generic OPP functions that allow CPUFreq to be be moved back into CPUFreq framework. This allows for independent modifications or future enhancements as needed isolated to just CPUFreq framework alone. Here, we just move relevant code and documentation to make this part of CPUFreq infrastructure. Cc: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Nishanth Menon <nm@ti.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> 
Nishanth Menon
authored and
Rafael J. Wysocki
commited |
a0dd7b7965 | |
Since Operating Performance Points (OPP) functions are specific to device specific power management, be specific and rename opp.h to pm_opp.h Reported-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Nishanth Menon <nm@ti.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Nishanth Menon
authored and
 Rafael J. Wysocki
commited |
e4db1c7439 |
Renamed from include/linux/opp.h (Browse further)