852 static struct acpi_debugger acpi_debugger;  variable
860 	mutex_lock(&acpi_debugger.lock);  in acpi_register_debugger()
861 	if (acpi_debugger.ops) {  in acpi_register_debugger()
866 	acpi_debugger.owner = owner;  in acpi_register_debugger()
867 	acpi_debugger.ops = ops;  in acpi_register_debugger()
870 	mutex_unlock(&acpi_debugger.lock);  in acpi_register_debugger()
877 	mutex_lock(&acpi_debugger.lock);  in acpi_unregister_debugger()
878 	if (ops == acpi_debugger.ops) {  in acpi_unregister_debugger()
879 		acpi_debugger.ops = NULL;  in acpi_unregister_debugger()
880 		acpi_debugger.owner = NULL;  in acpi_unregister_debugger()
882 	mutex_unlock(&acpi_debugger.lock);  in acpi_unregister_debugger()
894 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_create_thread()
895 	if (!acpi_debugger.ops) {  in acpi_debugger_create_thread()
899 	if (!try_module_get(acpi_debugger.owner)) {  in acpi_debugger_create_thread()
903 	func = acpi_debugger.ops->create_thread;  in acpi_debugger_create_thread()
904 	owner = acpi_debugger.owner;  in acpi_debugger_create_thread()
905 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_create_thread()
909 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_create_thread()
912 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_create_thread()
924 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_write_log()
925 	if (!acpi_debugger.ops) {  in acpi_debugger_write_log()
929 	if (!try_module_get(acpi_debugger.owner)) {  in acpi_debugger_write_log()
933 	func = acpi_debugger.ops->write_log;  in acpi_debugger_write_log()
934 	owner = acpi_debugger.owner;  in acpi_debugger_write_log()
935 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_write_log()
939 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_write_log()
942 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_write_log()
954 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_read_cmd()
955 	if (!acpi_debugger.ops) {  in acpi_debugger_read_cmd()
959 	if (!try_module_get(acpi_debugger.owner)) {  in acpi_debugger_read_cmd()
963 	func = acpi_debugger.ops->read_cmd;  in acpi_debugger_read_cmd()
964 	owner = acpi_debugger.owner;  in acpi_debugger_read_cmd()
965 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_read_cmd()
969 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_read_cmd()
972 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_read_cmd()
984 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_wait_command_ready()
985 	if (!acpi_debugger.ops) {  in acpi_debugger_wait_command_ready()
989 	if (!try_module_get(acpi_debugger.owner)) {  in acpi_debugger_wait_command_ready()
993 	func = acpi_debugger.ops->wait_command_ready;  in acpi_debugger_wait_command_ready()
994 	owner = acpi_debugger.owner;  in acpi_debugger_wait_command_ready()
995 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_wait_command_ready()
1000 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_wait_command_ready()
1003 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_wait_command_ready()
1015 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_notify_command_complete()
1016 	if (!acpi_debugger.ops) {  in acpi_debugger_notify_command_complete()
1020 	if (!try_module_get(acpi_debugger.owner)) {  in acpi_debugger_notify_command_complete()
1024 	func = acpi_debugger.ops->notify_command_complete;  in acpi_debugger_notify_command_complete()
1025 	owner = acpi_debugger.owner;  in acpi_debugger_notify_command_complete()
1026 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_notify_command_complete()
1030 	mutex_lock(&acpi_debugger.lock);  in acpi_debugger_notify_command_complete()
1033 	mutex_unlock(&acpi_debugger.lock);  in acpi_debugger_notify_command_complete()
1039 	mutex_init(&acpi_debugger.lock);  in acpi_debugger_init()