1 // SPDX-License-Identifier: GPL-2.0-only
66 		(highest_subcstate - 1);  in power_saving_mwait_init()
83 		/* TSC could halt in idle */  in power_saving_mwait_init()
90 static int tsk_in_cpu[NR_CPUS] = {[0 ... NR_CPUS-1] = -1};
97 	unsigned long min_weight = -1;  in round_robin_cpu()
123 	if (tsk_in_cpu[tsk_index] != -1)  in round_robin_cpu()
139 	if (tsk_in_cpu[tsk_index] != -1) {  in exit_round_robin()
141 		tsk_in_cpu[tsk_index] = -1;  in exit_round_robin()
167 		expire_time = jiffies + HZ * (100 - idle_pct) / 100;  in power_saving_thread()
171 				/* TSC could halt in idle, so notify users */  in power_saving_thread()
172 				mark_tsc_unstable("TSC halts in idle");  in power_saving_thread()
246 		ps_tsk_num--;  in destroy_power_saving_task()
286 		return -EINVAL;  in rrtime_store()
288 		return -EINVAL;  in rrtime_store()
308 		return -EINVAL;  in idlepct_store()
310 		return -EINVAL;  in idlepct_store()
330 		return -EINVAL;  in idlecpus_store()
356  * Query firmware how many CPUs should be idle
357  * return -1 on failure
363 	int num = -1;  in acpi_pad_pur()
373 	if (package->type == ACPI_TYPE_PACKAGE &&  in acpi_pad_pur()
374 		package->package.count == 2 &&  in acpi_pad_pur()
375 		package->package.elements[0].integer.value == 1) /* rev 1 */  in acpi_pad_pur()
377 		num = package->package.elements[1].integer.value;  in acpi_pad_pur()
419 		acpi_bus_generate_netlink_event(adev->pnp.device_class,  in acpi_pad_notify()
420 			dev_name(&adev->dev), event, 0);  in acpi_pad_notify()
430 	struct acpi_device *adev = ACPI_COMPANION(&pdev->dev);  in acpi_pad_probe()
436 	status = acpi_install_notify_handler(adev->handle,  in acpi_pad_probe()
440 		return -ENODEV;  in acpi_pad_probe()
447 	struct acpi_device *adev = ACPI_COMPANION(&pdev->dev);  in acpi_pad_remove()
453 	acpi_remove_notify_handler(adev->handle,  in acpi_pad_remove()
477 		return -ENODEV;  in acpi_pad_init()
481 		return -EINVAL;  in acpi_pad_init()