28 	int max_delay = 2000;  in readreg()  local
32 	while (ret && --max_delay)  in readreg()
34 	if (!max_delay) {  in readreg()
46 	register int max_delay = 20000;  in readfifo()  local
52 		while (ret && --max_delay)  in readfifo()
54 		if (!max_delay) {  in readfifo()
67 	int max_delay = 2000;  in writereg()  local
71 	while (ret && --max_delay)  in writereg()
73 	if (!max_delay) {  in writereg()
84 	register int max_delay = 20000;  in writefifo()  local
90 		while (ret && --max_delay)  in writefifo()
92 		if (!max_delay) {  in writefifo()