884 static struct acpi_debugger acpi_debugger;  variable
892 	mutex_lock(&acpi_debugger.lock);  in acpi_register_debugger()
893 	if (acpi_debugger.ops) {  in acpi_register_debugger()
898 	acpi_debugger.owner = owner;  in acpi_register_debugger()
899 	acpi_debugger.ops = ops;  in acpi_register_debugger()
902 	mutex_unlock(&acpi_debugger.lock);  in acpi_register_debugger()
909 	mutex_lock(&acpi_debugger.lock);  in acpi_unregister_debugger()
910 	if (ops == acpi_debugger.ops) {  in acpi_unregister_debugger()
911 		acpi_debugger.ops = NULL;  in acpi_unregister_debugger()
912 		acpi_debugger.owner = NULL;  in acpi_unregister_debugger()
914 	mutex_unlock(&acpi_debugger.lock);  in acpi_unregister_debugger()
926 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_create_thread()
927 	if (!acpi_debugger.ops) {  in acpi_debugger_create_thread()
931 	if (!try_module_get(acpi_debugger.owner)) {  in acpi_debugger_create_thread()
935 	func = acpi_debugger.ops->create_thread;  in acpi_debugger_create_thread()
936 	owner = acpi_debugger.owner;  in acpi_debugger_create_thread()
937 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_create_thread()
941 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_create_thread()
944 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_create_thread()
956 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_write_log()
957 	if (!acpi_debugger.ops) {  in acpi_debugger_write_log()
961 	if (!try_module_get(acpi_debugger.owner)) {  in acpi_debugger_write_log()
965 	func = acpi_debugger.ops->write_log;  in acpi_debugger_write_log()
966 	owner = acpi_debugger.owner;  in acpi_debugger_write_log()
967 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_write_log()
971 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_write_log()
974 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_write_log()
986 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_read_cmd()
987 	if (!acpi_debugger.ops) {  in acpi_debugger_read_cmd()
991 	if (!try_module_get(acpi_debugger.owner)) {  in acpi_debugger_read_cmd()
995 	func = acpi_debugger.ops->read_cmd;  in acpi_debugger_read_cmd()
996 	owner = acpi_debugger.owner;  in acpi_debugger_read_cmd()
997 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_read_cmd()
1001 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_read_cmd()
1004 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_read_cmd()
1016 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_wait_command_ready()
1017 	if (!acpi_debugger.ops) {  in acpi_debugger_wait_command_ready()
1021 	if (!try_module_get(acpi_debugger.owner)) {  in acpi_debugger_wait_command_ready()
1025 	func = acpi_debugger.ops->wait_command_ready;  in acpi_debugger_wait_command_ready()
1026 	owner = acpi_debugger.owner;  in acpi_debugger_wait_command_ready()
1027 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_wait_command_ready()
1032 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_wait_command_ready()
1035 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_wait_command_ready()
1047 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_notify_command_complete()
1048 	if (!acpi_debugger.ops) {  in acpi_debugger_notify_command_complete()
1052 	if (!try_module_get(acpi_debugger.owner)) {  in acpi_debugger_notify_command_complete()
1056 	func = acpi_debugger.ops->notify_command_complete;  in acpi_debugger_notify_command_complete()
1057 	owner = acpi_debugger.owner;  in acpi_debugger_notify_command_complete()
1058 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_notify_command_complete()
1062 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_notify_command_complete()
1065 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_notify_command_complete()
1071 	mutex_init(&acpi_debugger.lock);  in acpi_debugger_init()