295 	int error;  in create_image()  local
297 	error = dpm_suspend_end(PMSG_FREEZE);  in create_image()
298 	if (error) {  in create_image()
300 		return error;  in create_image()
303 	error = platform_pre_snapshot(platform_mode);  in create_image()
304 	if (error || hibernation_test(TEST_PLATFORM))  in create_image()
307 	error = pm_sleep_disable_secondary_cpus();  in create_image()
308 	if (error || hibernation_test(TEST_CPUS))  in create_image()
315 	error = syscore_suspend();  in create_image()
316 	if (error) {  in create_image()
327 	error = swsusp_arch_suspend();  in create_image()
331 	if (error)  in create_image()
332 		pr_err("Error %d creating image\n", error);  in create_image()
353 		error = arch_resume_nosmt();  in create_image()
359 		(error ? PMSG_RECOVER : PMSG_THAW) : PMSG_RESTORE);  in create_image()
361 	return error;  in create_image()
373 	int error;  in hibernation_snapshot()  local
376 	error = platform_begin(platform_mode);  in hibernation_snapshot()
377 	if (error)  in hibernation_snapshot()
381 	error = hibernate_preallocate_memory();  in hibernation_snapshot()
382 	if (error)  in hibernation_snapshot()
385 	error = freeze_kernel_threads();  in hibernation_snapshot()
386 	if (error)  in hibernation_snapshot()
399 	error = dpm_prepare(PMSG_FREEZE);  in hibernation_snapshot()
400 	if (error) {  in hibernation_snapshot()
408 	error = dpm_suspend(PMSG_FREEZE);  in hibernation_snapshot()
410 	if (error || hibernation_test(TEST_DEVICES))  in hibernation_snapshot()
413 		error = create_image(platform_mode);  in hibernation_snapshot()
422 	if (error || !in_suspend)  in hibernation_snapshot()
425 	msg = in_suspend ? (error ? PMSG_RECOVER : PMSG_THAW) : PMSG_RESTORE;  in hibernation_snapshot()
428 	if (error || !in_suspend)  in hibernation_snapshot()
436 	return error;  in hibernation_snapshot()
461 	int error;  in resume_target_kernel()  local
463 	error = dpm_suspend_end(PMSG_QUIESCE);  in resume_target_kernel()
464 	if (error) {  in resume_target_kernel()
466 		return error;  in resume_target_kernel()
469 	error = platform_pre_restore(platform_mode);  in resume_target_kernel()
470 	if (error)  in resume_target_kernel()
475 	error = hibernate_resume_nonboot_cpu_disable();  in resume_target_kernel()
476 	if (error)  in resume_target_kernel()
482 	error = syscore_suspend();  in resume_target_kernel()
483 	if (error)  in resume_target_kernel()
487 	error = restore_highmem();  in resume_target_kernel()
488 	if (!error) {  in resume_target_kernel()
489 		error = swsusp_arch_resume();  in resume_target_kernel()
495 		BUG_ON(!error);  in resume_target_kernel()
525 	return error;  in resume_target_kernel()
538 	int error;  in hibernation_restore()  local
543 	error = dpm_suspend_start(PMSG_QUIESCE);  in hibernation_restore()
544 	if (!error) {  in hibernation_restore()
545 		error = resume_target_kernel(platform_mode);  in hibernation_restore()
551 		BUG_ON(!error);  in hibernation_restore()
557 	return error;  in hibernation_restore()
565 	int error;  in hibernation_platform_enter()  local
575 	error = hibernation_ops->begin(PMSG_HIBERNATE);  in hibernation_platform_enter()
576 	if (error)  in hibernation_platform_enter()
581 	error = dpm_suspend_start(PMSG_HIBERNATE);  in hibernation_platform_enter()
582 	if (error) {  in hibernation_platform_enter()
588 	error = dpm_suspend_end(PMSG_HIBERNATE);  in hibernation_platform_enter()
589 	if (error)  in hibernation_platform_enter()
592 	error = hibernation_ops->prepare();  in hibernation_platform_enter()
593 	if (error)  in hibernation_platform_enter()
596 	error = pm_sleep_disable_secondary_cpus();  in hibernation_platform_enter()
597 	if (error)  in hibernation_platform_enter()
603 	error = syscore_suspend();  in hibernation_platform_enter()
604 	if (error)  in hibernation_platform_enter()
608 		error = -EAGAIN;  in hibernation_platform_enter()
638 	return error;  in hibernation_platform_enter()
651 	int error;  in power_down()  local
654 		error = suspend_devices_and_enter(mem_sleep_current);  in power_down()
655 		if (error) {  in power_down()
661 			error = swsusp_unmark();  in power_down()
662 			if (error)  in power_down()
694 	int error;  in load_image_and_restore()  local
700 	error = create_basic_memory_bitmaps();  in load_image_and_restore()
701 	if (error) {  in load_image_and_restore()
706 	error = swsusp_read(&flags);  in load_image_and_restore()
708 	if (!error)  in load_image_and_restore()
709 		error = hibernation_restore(flags & SF_PLATFORM_MODE);  in load_image_and_restore()
717 	return error;  in load_image_and_restore()
727 	int error;  in hibernate()  local
737 		error = -EBUSY;  in hibernate()
743 	error = pm_notifier_call_chain_robust(PM_HIBERNATION_PREPARE, PM_POST_HIBERNATION);  in hibernate()
744 	if (error)  in hibernate()
749 	error = freeze_processes();  in hibernate()
750 	if (error)  in hibernate()
755 	error = create_basic_memory_bitmaps();  in hibernate()
756 	if (error)  in hibernate()
759 	error = hibernation_snapshot(hibernation_mode == HIBERNATION_PLATFORM);  in hibernate()
760 	if (error || freezer_test_done)  in hibernate()
774 		error = swsusp_write(flags);  in hibernate()
776 		if (!error) {  in hibernate()
794 		error = swsusp_check(false);  in hibernate()
795 		if (!error)  in hibernate()
796 			error = load_image_and_restore(false);  in hibernate()
811 	return error;  in hibernate()
824 	int error;  in hibernate_quiet_exec()  local
829 		error = -EBUSY;  in hibernate_quiet_exec()
835 	error = pm_notifier_call_chain_robust(PM_HIBERNATION_PREPARE, PM_POST_HIBERNATION);  in hibernate_quiet_exec()
836 	if (error)  in hibernate_quiet_exec()
839 	error = freeze_processes();  in hibernate_quiet_exec()
840 	if (error)  in hibernate_quiet_exec()
847 	error = platform_begin(true);  in hibernate_quiet_exec()
848 	if (error)  in hibernate_quiet_exec()
851 	error = freeze_kernel_threads();  in hibernate_quiet_exec()
852 	if (error)  in hibernate_quiet_exec()
855 	error = dpm_prepare(PMSG_FREEZE);  in hibernate_quiet_exec()
856 	if (error)  in hibernate_quiet_exec()
861 	error = dpm_suspend(PMSG_FREEZE);  in hibernate_quiet_exec()
862 	if (error)  in hibernate_quiet_exec()
865 	error = dpm_suspend_end(PMSG_FREEZE);  in hibernate_quiet_exec()
866 	if (error)  in hibernate_quiet_exec()
869 	error = platform_pre_snapshot(true);  in hibernate_quiet_exec()
870 	if (error)  in hibernate_quiet_exec()
873 	error = func(data);  in hibernate_quiet_exec()
908 	return error;  in hibernate_quiet_exec()
945 	int error;  in software_resume()  local
953 	error = swsusp_check(true);  in software_resume()
954 	if (error)  in software_resume()
959 		error = -EBUSY;  in software_resume()
966 	error = pm_notifier_call_chain_robust(PM_RESTORE_PREPARE, PM_POST_RESTORE);  in software_resume()
967 	if (error)  in software_resume()
971 	error = freeze_processes();  in software_resume()
972 	if (error)  in software_resume()
975 	error = freeze_kernel_threads();  in software_resume()
976 	if (error) {  in software_resume()
981 	error = load_image_and_restore(true);  in software_resume()
987 	pr_info("resume failed (%d)\n", error);  in software_resume()
993 	return error;  in software_resume()
1023 		int error = find_resume_device();  in software_resume_initcall()  local
1025 		if (error)  in software_resume_initcall()
1026 			return error;  in software_resume_initcall()
1110 	int error = 0;  in disk_store()  local
1143 				error = -EINVAL;  in disk_store()
1146 		error = -EINVAL;  in disk_store()
1148 	if (!error)  in disk_store()
1152 	return error ? error : n;  in disk_store()
1171 	int error;  in resume_store()  local
1182 	error = lookup_bdev(name, &dev);  in resume_store()
1183 	if (error) {  in resume_store()
1187 		error = 0;  in resume_store()
1193 				error = -EINVAL;  in resume_store()
1197 				error = -EINVAL;  in resume_store()
1201 	if (error)  in resume_store()
1202 		return error;  in resume_store()