Merge branch 'pm-opp' into pm-cpufreq (d9df93ec) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/base/power/opp.c

+30 −0

Original line number	Original line	Diff line number	Diff line
	@@ -340,6 +340,36 @@ unsigned long dev_pm_opp_get_max_clock_latency(struct device *dev)
	}		}
	EXPORT_SYMBOL_GPL(dev_pm_opp_get_max_clock_latency);		EXPORT_SYMBOL_GPL(dev_pm_opp_get_max_clock_latency);

			/**
			* dev_pm_opp_get_suspend_opp() - Get suspend opp
			* @dev: device for which we do this operation
			*
			* Return: This function returns pointer to the suspend opp if it is
			* defined, otherwise it returns NULL.
			*
			* Locking: This function must be called under rcu_read_lock(). opp is a rcu
			* protected pointer. The reason for the same is that the opp pointer which is
			* returned will remain valid for use with opp_get_{voltage, freq} only while
			* under the locked area. The pointer returned must be used prior to unlocking
			* with rcu_read_unlock() to maintain the integrity of the pointer.
			*/
			struct dev_pm_opp dev_pm_opp_get_suspend_opp(struct device dev)
			{
			struct device_opp *dev_opp;
			struct dev_pm_opp *opp;

			opp_rcu_lockdep_assert();

			dev_opp = _find_device_opp(dev);
			if (IS_ERR(dev_opp))
			opp = NULL;
			else
			opp = dev_opp->suspend_opp;

			return opp;
			}
			EXPORT_SYMBOL_GPL(dev_pm_opp_get_suspend_opp);

	/**		/**
	* dev_pm_opp_get_opp_count() - Get number of opps available in the opp list		* dev_pm_opp_get_opp_count() - Get number of opps available in the opp list
	* @dev: device for which we do this operation		* @dev: device for which we do this operation

+6 −0

Original line number	Original line	Diff line number	Diff line
	@@ -34,6 +34,7 @@ bool dev_pm_opp_is_turbo(struct dev_pm_opp *opp);

	int dev_pm_opp_get_opp_count(struct device *dev);		int dev_pm_opp_get_opp_count(struct device *dev);
	unsigned long dev_pm_opp_get_max_clock_latency(struct device *dev);		unsigned long dev_pm_opp_get_max_clock_latency(struct device *dev);
			struct dev_pm_opp dev_pm_opp_get_suspend_opp(struct device dev);

	struct dev_pm_opp dev_pm_opp_find_freq_exact(struct device dev,		struct dev_pm_opp dev_pm_opp_find_freq_exact(struct device dev,
	unsigned long freq,		unsigned long freq,
	@@ -80,6 +81,11 @@ static inline unsigned long dev_pm_opp_get_max_clock_latency(struct device *dev)
	return 0;		return 0;
	}		}

			static inline struct dev_pm_opp dev_pm_opp_get_suspend_opp(struct device dev)
			{
			return NULL;
			}

	static inline struct dev_pm_opp dev_pm_opp_find_freq_exact(struct device dev,		static inline struct dev_pm_opp dev_pm_opp_find_freq_exact(struct device dev,
	unsigned long freq, bool available)		unsigned long freq, bool available)
	{		{