220 	int port0, last_port0;	/* Double read for stabilising */  in send_isa_command()  local
231 	port0 = inb_p(pcwd_private.io_addr);  in send_isa_command()
233 		last_port0 = port0;  in send_isa_command()
234 		port0 = inb_p(pcwd_private.io_addr);  in send_isa_command()
236 		if (port0 == last_port0)  in send_isa_command()
245 			cmd, port0, last_port0);  in send_isa_command()
247 	return port0;  in send_isa_command()
825 	int port0, last_port0;	/* Reg 0, in case it's REV A */  in pcwd_isa_match()  local
841 	port0 = inb_p(base_addr);	/* For REV A boards */  in pcwd_isa_match()
843 	if (port0 != 0xff || port1 != 0xff) {  in pcwd_isa_match()
849 			last_port0 = port0;  in pcwd_isa_match()
852 			port0 = inb_p(base_addr);  in pcwd_isa_match()
856 			if ((port0 ^ last_port0) & WD_HRTBT ||  in pcwd_isa_match()