734 		serial_out(p, UART_IER, sleep ? UART_IERX_SLEEP : 0);  in serial8250_set_sleep()
1146 	iersave = serial_in(up, UART_IER);  in autoconfig_16550a()
1147 	serial_out(up, UART_IER, iersave & ~UART_IER_UUE);  in autoconfig_16550a()
1148 	if (!(serial_in(up, UART_IER) & UART_IER_UUE)) {  in autoconfig_16550a()
1153 		serial_out(up, UART_IER, iersave | UART_IER_UUE);  in autoconfig_16550a()
1154 		if (serial_in(up, UART_IER) & UART_IER_UUE) {  in autoconfig_16550a()
1171 	serial_out(up, UART_IER, iersave);  in autoconfig_16550a()
1239 		scratch = serial_in(up, UART_IER);  in autoconfig()
1240 		serial_out(up, UART_IER, 0);  in autoconfig()
1248 		scratch2 = serial_in(up, UART_IER) & 0x0f;  in autoconfig()
1249 		serial_out(up, UART_IER, 0x0F);  in autoconfig()
1253 		scratch3 = serial_in(up, UART_IER) & 0x0f;  in autoconfig()
1254 		serial_out(up, UART_IER, scratch);  in autoconfig()
1351 		serial_out(up, UART_IER, UART_IER_UUE);  in autoconfig()
1353 		serial_out(up, UART_IER, 0);  in autoconfig()
1395 	save_ier = serial_in(up, UART_IER);  in autoconfig_irq()
1407 	serial_out(up, UART_IER, 0x0f);	/* enable all intrs */  in autoconfig_irq()
1417 	serial_out(up, UART_IER, save_ier);  in autoconfig_irq()
1436 	serial_port_out(port, UART_IER, up->ier);  in serial8250_stop_rx()
1454 		serial_port_out(&p->port, UART_IER, p->ier);  in __do_stop_tx_rs485()
1507 		serial_out(p, UART_IER, p->ier);  in __do_stop_tx()
1560 		serial_port_out(port, UART_IER, up->ier);  in __start_tx()
1666 	serial_port_out(port, UART_IER, up->ier);  in serial8250_disable_ms()
1680 	serial_port_out(port, UART_IER, up->ier);  in serial8250_enable_ms()
2091 	ier = serial_port_in(port, UART_IER);  in serial8250_put_poll_char()
2093 		serial_port_out(port, UART_IER, UART_IER_UUE);  in serial8250_put_poll_char()
2095 		serial_port_out(port, UART_IER, 0);  in serial8250_put_poll_char()
2108 	serial_port_out(port, UART_IER, ier);  in serial8250_put_poll_char()
2138 		serial_port_out(port, UART_IER, 0);  in serial8250_do_startup()
2148 		serial_port_out(port, UART_IER, 0);  in serial8250_do_startup()
2187 		serial_port_out(port, UART_IER, 0);  in serial8250_do_startup()
2271 		serial_port_out_sync(port, UART_IER, UART_IER_THRI);  in serial8250_do_startup()
2274 		serial_port_out(port, UART_IER, 0);  in serial8250_do_startup()
2275 		serial_port_out_sync(port, UART_IER, UART_IER_THRI);  in serial8250_do_startup()
2278 		serial_port_out(port, UART_IER, 0);  in serial8250_do_startup()
2335 	serial_port_out(port, UART_IER, UART_IER_THRI);  in serial8250_do_startup()
2338 	serial_port_out(port, UART_IER, 0);  in serial8250_do_startup()
2420 	serial_port_out(port, UART_IER, 0);  in serial8250_do_shutdown()
2731 	serial_port_out(port, UART_IER, up->ier);  in serial8250_do_set_termios()
3252 	ier = serial_port_in(port, UART_IER);  in serial8250_console_write()
3255 		serial_port_out(port, UART_IER, UART_IER_UUE);  in serial8250_console_write()
3257 		serial_port_out(port, UART_IER, 0);  in serial8250_console_write()
3272 	serial_port_out(port, UART_IER, ier);  in serial8250_console_write()