65 void ps2ser_putc(int chr)  in ps2ser_putc()  argument
68 	debug(">>>> 0x%02x\n", chr);  in ps2ser_putc()
71 	com_port->thr = chr;  in ps2ser_putc()
88 	volatile int chr;  in ps2ser_getc()  local
97 			chr = ps2buf[ps2buf_out_idx++];  in ps2ser_getc()
101 			chr = ps2ser_getc_hw();  in ps2ser_getc()
104 	while (chr < 0);  in ps2ser_getc()
109 	debug("0x%02x\n", chr);  in ps2ser_getc()
111 	return chr;  in ps2ser_getc()
128 	int chr;  in ps2ser_interrupt()  local
132 		chr = ps2ser_getc_hw();  in ps2ser_interrupt()
134 		if (chr < 0) continue;  in ps2ser_interrupt()
137 			ps2buf[ps2buf_in_idx++] = chr;  in ps2ser_interrupt()