853 static struct acpi_debugger acpi_debugger;  variable
861 	mutex_lock(&acpi_debugger.lock);  in acpi_register_debugger()
862 	if (acpi_debugger.ops) {  in acpi_register_debugger()
867 	acpi_debugger.owner = owner;  in acpi_register_debugger()
868 	acpi_debugger.ops = ops;  in acpi_register_debugger()
871 	mutex_unlock(&acpi_debugger.lock);  in acpi_register_debugger()
878 	mutex_lock(&acpi_debugger.lock);  in acpi_unregister_debugger()
879 	if (ops == acpi_debugger.ops) {  in acpi_unregister_debugger()
880 		acpi_debugger.ops = NULL;  in acpi_unregister_debugger()
881 		acpi_debugger.owner = NULL;  in acpi_unregister_debugger()
883 	mutex_unlock(&acpi_debugger.lock);  in acpi_unregister_debugger()
895 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_create_thread()
896 	if (!acpi_debugger.ops) {  in acpi_debugger_create_thread()
900 	if (!try_module_get(acpi_debugger.owner)) {  in acpi_debugger_create_thread()
904 	func = acpi_debugger.ops->create_thread;  in acpi_debugger_create_thread()
905 	owner = acpi_debugger.owner;  in acpi_debugger_create_thread()
906 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_create_thread()
910 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_create_thread()
913 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_create_thread()
925 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_write_log()
926 	if (!acpi_debugger.ops) {  in acpi_debugger_write_log()
930 	if (!try_module_get(acpi_debugger.owner)) {  in acpi_debugger_write_log()
934 	func = acpi_debugger.ops->write_log;  in acpi_debugger_write_log()
935 	owner = acpi_debugger.owner;  in acpi_debugger_write_log()
936 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_write_log()
940 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_write_log()
943 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_write_log()
955 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_read_cmd()
956 	if (!acpi_debugger.ops) {  in acpi_debugger_read_cmd()
960 	if (!try_module_get(acpi_debugger.owner)) {  in acpi_debugger_read_cmd()
964 	func = acpi_debugger.ops->read_cmd;  in acpi_debugger_read_cmd()
965 	owner = acpi_debugger.owner;  in acpi_debugger_read_cmd()
966 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_read_cmd()
970 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_read_cmd()
973 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_read_cmd()
985 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_wait_command_ready()
986 	if (!acpi_debugger.ops) {  in acpi_debugger_wait_command_ready()
990 	if (!try_module_get(acpi_debugger.owner)) {  in acpi_debugger_wait_command_ready()
994 	func = acpi_debugger.ops->wait_command_ready;  in acpi_debugger_wait_command_ready()
995 	owner = acpi_debugger.owner;  in acpi_debugger_wait_command_ready()
996 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_wait_command_ready()
1001 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_wait_command_ready()
1004 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_wait_command_ready()
1016 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_notify_command_complete()
1017 	if (!acpi_debugger.ops) {  in acpi_debugger_notify_command_complete()
1021 	if (!try_module_get(acpi_debugger.owner)) {  in acpi_debugger_notify_command_complete()
1025 	func = acpi_debugger.ops->notify_command_complete;  in acpi_debugger_notify_command_complete()
1026 	owner = acpi_debugger.owner;  in acpi_debugger_notify_command_complete()
1027 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_notify_command_complete()
1031 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_notify_command_complete()
1034 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_notify_command_complete()
1040 	mutex_init(&acpi_debugger.lock);  in acpi_debugger_init()