724 		serial_out(p, UART_IER, sleep ? UART_IERX_SLEEP : 0);  in serial8250_set_sleep()
1115 	iersave = serial_in(up, UART_IER);  in autoconfig_16550a()
1116 	serial_out(up, UART_IER, iersave & ~UART_IER_UUE);  in autoconfig_16550a()
1117 	if (!(serial_in(up, UART_IER) & UART_IER_UUE)) {  in autoconfig_16550a()
1122 		serial_out(up, UART_IER, iersave | UART_IER_UUE);  in autoconfig_16550a()
1123 		if (serial_in(up, UART_IER) & UART_IER_UUE) {  in autoconfig_16550a()
1140 	serial_out(up, UART_IER, iersave);  in autoconfig_16550a()
1196 		scratch = serial_in(up, UART_IER);  in autoconfig()
1197 		serial_out(up, UART_IER, 0);  in autoconfig()
1205 		scratch2 = serial_in(up, UART_IER) & 0x0f;  in autoconfig()
1206 		serial_out(up, UART_IER, 0x0F);  in autoconfig()
1210 		scratch3 = serial_in(up, UART_IER) & 0x0f;  in autoconfig()
1211 		serial_out(up, UART_IER, scratch);  in autoconfig()
1308 		serial_out(up, UART_IER, UART_IER_UUE);  in autoconfig()
1310 		serial_out(up, UART_IER, 0);  in autoconfig()
1352 	save_ier = serial_in(up, UART_IER);  in autoconfig_irq()
1364 	serial_out(up, UART_IER, 0x0f);	/* enable all intrs */  in autoconfig_irq()
1374 	serial_out(up, UART_IER, save_ier);  in autoconfig_irq()
1393 	serial_port_out(port, UART_IER, up->ier);  in serial8250_stop_rx()
1411 		serial_port_out(&p->port, UART_IER, p->ier);  in __do_stop_tx_rs485()
1619 	serial_port_out(port, UART_IER, up->ier);  in serial8250_disable_ms()
1635 	serial_port_out(port, UART_IER, up->ier);  in serial8250_enable_ms()
2032 	ier = serial_port_in(port, UART_IER);  in serial8250_put_poll_char()
2034 		serial_port_out(port, UART_IER, UART_IER_UUE);  in serial8250_put_poll_char()
2036 		serial_port_out(port, UART_IER, 0);  in serial8250_put_poll_char()
2049 	serial_port_out(port, UART_IER, ier);  in serial8250_put_poll_char()
2079 		serial_port_out(port, UART_IER, 0);  in serial8250_do_startup()
2089 		serial_port_out(port, UART_IER, 0);  in serial8250_do_startup()
2128 		serial_port_out(port, UART_IER, 0);  in serial8250_do_startup()
2210 		serial_port_out_sync(port, UART_IER, UART_IER_THRI);  in serial8250_do_startup()
2213 		serial_port_out(port, UART_IER, 0);  in serial8250_do_startup()
2214 		serial_port_out_sync(port, UART_IER, UART_IER_THRI);  in serial8250_do_startup()
2217 		serial_port_out(port, UART_IER, 0);  in serial8250_do_startup()
2274 	serial_port_out(port, UART_IER, UART_IER_THRI);  in serial8250_do_startup()
2277 	serial_port_out(port, UART_IER, 0);  in serial8250_do_startup()
2357 	serial_port_out(port, UART_IER, 0);  in serial8250_do_shutdown()
2642 	serial_port_out(port, UART_IER, up->ier);  in serial8250_do_set_termios()
3161 	ier = serial_port_in(port, UART_IER);  in serial8250_console_write()
3164 		serial_port_out(port, UART_IER, UART_IER_UUE);  in serial8250_console_write()
3166 		serial_port_out(port, UART_IER, 0);  in serial8250_console_write()
3181 	serial_port_out(port, UART_IER, ier);  in serial8250_console_write()