rtas_token
int rtas_token(const char *service);
EXPORT_SYMBOL_GPL(rtas_token);
ret = rtas_call(rtas_token("ibm,get-system-parameter"), 3, 1,
int rc = rtas_token("ibm,configure-connector");
int token = rtas_token("get-sensor-state");
rtascons_get_char_token = rtas_token("get-term-char");
rtascons_put_char_token = rtas_token("put-term-char");
rtascons_get_char_token = rtas_token("get-term-char");
rtascons_put_char_token = rtas_token("put-term-char");
wdrtas_token_get_sensor_state = rtas_token("get-sensor-state");
wdrtas_token_get_sp = rtas_token("ibm,get-system-parameter");
wdrtas_token_set_indicator = rtas_token("set-indicator");
wdrtas_token_event_scan = rtas_token("event-scan");
token = rtas_token(name);