drivers/thermal/cpufreq_cooling.c

14 #include <linux/cpufreq.h>
29  * Cooling state <-> CPUFreq frequency
53  * struct cpufreq_cooling_device - data for cooling device with cpufreq
55  * @cpufreq_state: integer value representing the current state of cpufreq
58  *	cpufreq frequencies.
60  * @policy: cpufreq policy.
61  * @cooling_ops: cpufreq callbacks to thermal cooling device ops
202  * cpufreq would have assigned if there were no thermal limits.
322 		pr_err("The span of pd %*pbl is misaligned with cpufreq policy %*pbl\n",
384 	/* Otherwise, fallback on the CPUFreq table */
394 /* cpufreq cooling device callback functions are defined below */
401  * Callback for the thermal cooling device to return the cpufreq
420  * Callback for the thermal cooling device to return the cpufreq
440  * Callback for the thermal cooling device to change the cpufreq
475  * __cpufreq_cooling_register - helper function to create cpufreq cooling device
477  * @policy: cpufreq policy
478  * Normally this should be same as cpufreq policy->related_cpus.
479  * @em: Energy Model of the cpufreq policy
481  * This interface function registers the cpufreq cooling device with the name
482  * "cpufreq-%s". This API can support multiple instances of cpufreq
503 		pr_err("%s: cpufreq policy isn't valid: %p\n", __func__, policy);
515 		pr_debug("%s: CPUFreq table not found or has no valid entries\n",
566 	name = kasprintf(GFP_KERNEL, "cpufreq-%s", dev_name(dev));
589  * cpufreq_cooling_register - function to create cpufreq cooling device.
590  * @policy: cpufreq policy
592  * This interface function registers the cpufreq cooling device with the name
593  * "cpufreq-%s". This API can support multiple instances of cpufreq cooling
607  * of_cpufreq_cooling_register - function to create cpufreq cooling device.
608  * @policy: cpufreq policy
610  * This interface function registers the cpufreq cooling device with the name
611  * "cpufreq-%s". This API can support multiple instances of cpufreq cooling
612  * devices. Using this API, the cpufreq cooling device will be linked to the
651  * cpufreq_cooling_unregister - function to remove cpufreq cooling device.
654  * This interface function unregisters the "cpufreq-%x" cooling device.