3  * arch/arm/common/bL_switcher.c -- big.LITTLE cluster switcher core driver
118  * with the cluster number.
141  * bL_switch_to - Switch to a specific cluster for the current CPU
142  * @new_cluster_id: the ID of the cluster to switch to.
273 	int cluster;  in bL_switcher_thread()  local
288 		cluster = t->wanted_cluster;  in bL_switcher_thread()
295 		if (cluster != -1) {  in bL_switcher_thread()
296 			bL_switch_to(cluster);  in bL_switcher_thread()
321  * bL_switch_request_cb - Switch to a specific cluster for the given CPU,
325  * @new_cluster_id: the ID of the cluster to switch to.
331  * This function causes a cluster switch on the given CPU by waking up
422 	unsigned int cpu, cluster, mask;  in bL_switcher_halve_cpus()  local
429 		cluster = MPIDR_AFFINITY_LEVEL(cpu_logical_map(i), 1);  in bL_switcher_halve_cpus()
430 		if (cluster >= 2) {  in bL_switcher_halve_cpus()
431 			pr_err("%s: only dual cluster systems are supported\n", __func__);  in bL_switcher_halve_cpus()
436 		mask |= (1 << cluster);  in bL_switcher_halve_cpus()
445 	 * from a different cluster.  To get a uniform scheduling behavior  in bL_switcher_halve_cpus()
447 	 * we'll use logical CPUs initially belonging to the same cluster.  in bL_switcher_halve_cpus()
454 		cluster = MPIDR_AFFINITY_LEVEL(cpu_logical_map(i), 1);  in bL_switcher_halve_cpus()
456 			cluster_0 = cluster;  in bL_switcher_halve_cpus()
457 		if (cluster != cluster_0)  in bL_switcher_halve_cpus()
461 			cluster = MPIDR_AFFINITY_LEVEL(cpu_logical_map(j), 1);  in bL_switcher_halve_cpus()
468 			if (cluster != cluster_0)  in bL_switcher_halve_cpus()
485 		cluster = MPIDR_AFFINITY_LEVEL(cpu_logical_map(i), 1);  in bL_switcher_halve_cpus()
494 		bL_gic_id[cpu][cluster] = gic_id;  in bL_switcher_halve_cpus()
495 		pr_info("GIC ID for CPU %u cluster %u is %u\n",  in bL_switcher_halve_cpus()
496 			cpu, cluster, gic_id);  in bL_switcher_halve_cpus()
499 			bL_switcher_cpu_original_cluster[i] = cluster;  in bL_switcher_halve_cpus()
604 	unsigned int cpu, cluster;  in bL_switcher_disable()  local
624 	 * Then, if the final cluster for given logical CPU is not the  in bL_switcher_disable()
637 		cluster = MPIDR_AFFINITY_LEVEL(cpu_logical_map(cpu), 1);  in bL_switcher_disable()
638 		if (cluster == bL_switcher_cpu_original_cluster[cpu])  in bL_switcher_disable()
646 			cluster = MPIDR_AFFINITY_LEVEL(cpu_logical_map(cpu), 1);  in bL_switcher_disable()
647 			if (cluster == bL_switcher_cpu_original_cluster[cpu])  in bL_switcher_disable()
651 		pr_crit("%s: unable to restore original cluster for CPU %d\n",  in bL_switcher_disable()