402 static int pf_wait(struct pf_unit *pf, int go, int stop, char *fun, char *msg)  in pf_wait()  argument
417 		if (fun)  in pf_wait()
420 			       pf->name, fun, msg, r, s, e, j, p);  in pf_wait()
426 static int pf_command(struct pf_unit *pf, char *cmd, int dlen, char *fun)  in pf_command()  argument
432 	if (pf_wait(pf, STAT_BUSY | STAT_DRQ, 0, fun, "before command")) {  in pf_command()
441 	if (pf_wait(pf, STAT_BUSY, STAT_DRQ, fun, "command DRQ")) {  in pf_command()
447 		printk("%s: %s: command phase error\n", pf->name, fun);  in pf_command()
457 static int pf_completion(struct pf_unit *pf, char *buf, char *fun)  in pf_completion()  argument
462 		    fun, "completion");  in pf_completion()
470 	s = pf_wait(pf, STAT_BUSY, STAT_READY | STAT_ERR, fun, "data done");  in pf_completion()
494 static int pf_atapi(struct pf_unit *pf, char *cmd, int dlen, char *buf, char *fun)  in pf_atapi()  argument
498 	r = pf_command(pf, cmd, dlen, fun);  in pf_atapi()
501 		r = pf_completion(pf, buf, fun);  in pf_atapi()
503 		pf_req_sense(pf, !fun);  in pf_atapi()