drivers/thermal/cpuidle_cooling.c

21  * struct cpuidle_cooling_device - data for the idle cooling device
22  * @ii_dev: an atomic to keep track of the last task exiting the idle cycle
32  * @idle_duration_us: CPU idle time to inject in microseconds
35  * The running duration is computed from the idle injection duration
36  * which is fixed. If we reach 100% of idle injection ratio, that
38  * injection, that means we have equal duration for idle and for
43  *  running = idle x ((100 / ratio) - 1)
47  *  running = (idle x 100) / ratio - idle
50  * with 10ms of idle injection and 10ms of running duration.
78 	 * cycle and the idle cycle could be different. We want to  in cpuidle_cooling_get_max_state()
82 	 * The state 100% will make the cluster 100% ... idle. A 0%  in cpuidle_cooling_get_max_state()
83 	 * injection ratio means no idle injection at all and 50%  in cpuidle_cooling_get_max_state()
84 	 * means for 10ms of idle injection, we have 10ms of running  in cpuidle_cooling_get_max_state()
118  * in turn wakes up all the idle injection tasks belonging to the idle
164  * structure, the idle injection, initialize them and register the
204 	name = kasprintf(GFP_KERNEL, "idle-%s", dev_name(dev));  in __cpuidle_cooling_register()
217 	pr_debug("%s: Idle injection set with idle duration=%u, latency=%u\n",  in __cpuidle_cooling_register()
235  * cpuidle_cooling_register - Idle cooling device initialization function
251 		cooling_node = of_get_child_by_name(cpu_node, "thermal-idle");  in cpuidle_cooling_register()
256 			pr_debug("'thermal-idle' node not found for cpu%d\n", cpu);  in cpuidle_cooling_register()