276 	int error;  in create_image()  local
278 	error = dpm_suspend_end(PMSG_FREEZE);  in create_image()
279 	if (error) {  in create_image()
281 		return error;  in create_image()
284 	error = platform_pre_snapshot(platform_mode);  in create_image()
285 	if (error || hibernation_test(TEST_PLATFORM))  in create_image()
288 	error = suspend_disable_secondary_cpus();  in create_image()
289 	if (error || hibernation_test(TEST_CPUS))  in create_image()
296 	error = syscore_suspend();  in create_image()
297 	if (error) {  in create_image()
308 	error = swsusp_arch_suspend();  in create_image()
312 	if (error)  in create_image()
313 		pr_err("Error %d creating hibernation image\n", error);  in create_image()
334 		error = arch_resume_nosmt();  in create_image()
340 		(error ? PMSG_RECOVER : PMSG_THAW) : PMSG_RESTORE);  in create_image()
342 	return error;  in create_image()
354 	int error;  in hibernation_snapshot()  local
357 	error = platform_begin(platform_mode);  in hibernation_snapshot()
358 	if (error)  in hibernation_snapshot()
362 	error = hibernate_preallocate_memory();  in hibernation_snapshot()
363 	if (error)  in hibernation_snapshot()
366 	error = freeze_kernel_threads();  in hibernation_snapshot()
367 	if (error)  in hibernation_snapshot()
380 	error = dpm_prepare(PMSG_FREEZE);  in hibernation_snapshot()
381 	if (error) {  in hibernation_snapshot()
389 	error = dpm_suspend(PMSG_FREEZE);  in hibernation_snapshot()
391 	if (error || hibernation_test(TEST_DEVICES))  in hibernation_snapshot()
394 		error = create_image(platform_mode);  in hibernation_snapshot()
403 	if (error || !in_suspend)  in hibernation_snapshot()
406 	msg = in_suspend ? (error ? PMSG_RECOVER : PMSG_THAW) : PMSG_RESTORE;  in hibernation_snapshot()
409 	if (error || !in_suspend)  in hibernation_snapshot()
417 	return error;  in hibernation_snapshot()
442 	int error;  in resume_target_kernel()  local
444 	error = dpm_suspend_end(PMSG_QUIESCE);  in resume_target_kernel()
445 	if (error) {  in resume_target_kernel()
447 		return error;  in resume_target_kernel()
450 	error = platform_pre_restore(platform_mode);  in resume_target_kernel()
451 	if (error)  in resume_target_kernel()
454 	error = hibernate_resume_nonboot_cpu_disable();  in resume_target_kernel()
455 	if (error)  in resume_target_kernel()
461 	error = syscore_suspend();  in resume_target_kernel()
462 	if (error)  in resume_target_kernel()
466 	error = restore_highmem();  in resume_target_kernel()
467 	if (!error) {  in resume_target_kernel()
468 		error = swsusp_arch_resume();  in resume_target_kernel()
474 		BUG_ON(!error);  in resume_target_kernel()
504 	return error;  in resume_target_kernel()
517 	int error;  in hibernation_restore()  local
522 	error = dpm_suspend_start(PMSG_QUIESCE);  in hibernation_restore()
523 	if (!error) {  in hibernation_restore()
524 		error = resume_target_kernel(platform_mode);  in hibernation_restore()
530 		BUG_ON(!error);  in hibernation_restore()
536 	return error;  in hibernation_restore()
544 	int error;  in hibernation_platform_enter()  local
554 	error = hibernation_ops->begin(PMSG_HIBERNATE);  in hibernation_platform_enter()
555 	if (error)  in hibernation_platform_enter()
560 	error = dpm_suspend_start(PMSG_HIBERNATE);  in hibernation_platform_enter()
561 	if (error) {  in hibernation_platform_enter()
567 	error = dpm_suspend_end(PMSG_HIBERNATE);  in hibernation_platform_enter()
568 	if (error)  in hibernation_platform_enter()
571 	error = hibernation_ops->prepare();  in hibernation_platform_enter()
572 	if (error)  in hibernation_platform_enter()
575 	error = suspend_disable_secondary_cpus();  in hibernation_platform_enter()
576 	if (error)  in hibernation_platform_enter()
583 		error = -EAGAIN;  in hibernation_platform_enter()
612 	return error;  in hibernation_platform_enter()
625 	int error;  in power_down()  local
628 		error = suspend_devices_and_enter(PM_SUSPEND_MEM);  in power_down()
629 		if (error) {  in power_down()
635 			error = swsusp_unmark();  in power_down()
636 			if (error)  in power_down()
668 	int error;  in load_image_and_restore()  local
674 	error = create_basic_memory_bitmaps();  in load_image_and_restore()
675 	if (error)  in load_image_and_restore()
678 	error = swsusp_read(&flags);  in load_image_and_restore()
680 	if (!error)  in load_image_and_restore()
689 	return error;  in load_image_and_restore()
697 	int error, nr_calls = 0;  in hibernate()  local
708 		error = -EBUSY;  in hibernate()
714 	error = __pm_notifier_call_chain(PM_HIBERNATION_PREPARE, -1, &nr_calls);  in hibernate()
715 	if (error) {  in hibernate()
722 	error = freeze_processes();  in hibernate()
723 	if (error)  in hibernate()
728 	error = create_basic_memory_bitmaps();  in hibernate()
729 	if (error)  in hibernate()
732 	error = hibernation_snapshot(hibernation_mode == HIBERNATION_PLATFORM);  in hibernate()
733 	if (error || freezer_test_done)  in hibernate()
747 		error = swsusp_write(flags);  in hibernate()
749 		if (!error) {  in hibernate()
767 		error = swsusp_check();  in hibernate()
768 		if (!error)  in hibernate()
769 			error = load_image_and_restore();  in hibernate()
783 	return error;  in hibernate()
804 	int error, nr_calls = 0;  in software_resume()  local
828 		error = -ENOENT;  in software_resume()
868 			error = -ENODEV;  in software_resume()
878 	error = swsusp_check();  in software_resume()
879 	if (error)  in software_resume()
884 		error = -EBUSY;  in software_resume()
891 	error = __pm_notifier_call_chain(PM_RESTORE_PREPARE, -1, &nr_calls);  in software_resume()
892 	if (error) {  in software_resume()
898 	error = freeze_processes();  in software_resume()
899 	if (error)  in software_resume()
901 	error = load_image_and_restore();  in software_resume()
906 	pr_info("resume from hibernation failed (%d)\n", error);  in software_resume()
912 	return error;  in software_resume()
995 	int error = 0;  in disk_store()  local
1029 				error = -EINVAL;  in disk_store()
1032 		error = -EINVAL;  in disk_store()
1034 	if (!error)  in disk_store()
1038 	return error ? error : n;  in disk_store()