848 static struct acpi_debugger acpi_debugger;  variable
856 	mutex_lock(&acpi_debugger.lock);  in acpi_register_debugger()
857 	if (acpi_debugger.ops) {  in acpi_register_debugger()
862 	acpi_debugger.owner = owner;  in acpi_register_debugger()
863 	acpi_debugger.ops = ops;  in acpi_register_debugger()
866 	mutex_unlock(&acpi_debugger.lock);  in acpi_register_debugger()
873 	mutex_lock(&acpi_debugger.lock);  in acpi_unregister_debugger()
874 	if (ops == acpi_debugger.ops) {  in acpi_unregister_debugger()
875 		acpi_debugger.ops = NULL;  in acpi_unregister_debugger()
876 		acpi_debugger.owner = NULL;  in acpi_unregister_debugger()
878 	mutex_unlock(&acpi_debugger.lock);  in acpi_unregister_debugger()
890 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_create_thread()
891 	if (!acpi_debugger.ops) {  in acpi_debugger_create_thread()
895 	if (!try_module_get(acpi_debugger.owner)) {  in acpi_debugger_create_thread()
899 	func = acpi_debugger.ops->create_thread;  in acpi_debugger_create_thread()
900 	owner = acpi_debugger.owner;  in acpi_debugger_create_thread()
901 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_create_thread()
905 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_create_thread()
908 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_create_thread()
920 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_write_log()
921 	if (!acpi_debugger.ops) {  in acpi_debugger_write_log()
925 	if (!try_module_get(acpi_debugger.owner)) {  in acpi_debugger_write_log()
929 	func = acpi_debugger.ops->write_log;  in acpi_debugger_write_log()
930 	owner = acpi_debugger.owner;  in acpi_debugger_write_log()
931 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_write_log()
935 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_write_log()
938 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_write_log()
950 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_read_cmd()
951 	if (!acpi_debugger.ops) {  in acpi_debugger_read_cmd()
955 	if (!try_module_get(acpi_debugger.owner)) {  in acpi_debugger_read_cmd()
959 	func = acpi_debugger.ops->read_cmd;  in acpi_debugger_read_cmd()
960 	owner = acpi_debugger.owner;  in acpi_debugger_read_cmd()
961 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_read_cmd()
965 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_read_cmd()
968 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_read_cmd()
980 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_wait_command_ready()
981 	if (!acpi_debugger.ops) {  in acpi_debugger_wait_command_ready()
985 	if (!try_module_get(acpi_debugger.owner)) {  in acpi_debugger_wait_command_ready()
989 	func = acpi_debugger.ops->wait_command_ready;  in acpi_debugger_wait_command_ready()
990 	owner = acpi_debugger.owner;  in acpi_debugger_wait_command_ready()
991 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_wait_command_ready()
996 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_wait_command_ready()
999 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_wait_command_ready()
1011 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_notify_command_complete()
1012 	if (!acpi_debugger.ops) {  in acpi_debugger_notify_command_complete()
1016 	if (!try_module_get(acpi_debugger.owner)) {  in acpi_debugger_notify_command_complete()
1020 	func = acpi_debugger.ops->notify_command_complete;  in acpi_debugger_notify_command_complete()
1021 	owner = acpi_debugger.owner;  in acpi_debugger_notify_command_complete()
1022 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_notify_command_complete()
1026 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_notify_command_complete()
1029 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_notify_command_complete()
1035 	mutex_init(&acpi_debugger.lock);  in acpi_debugger_init()