700 		serial_out(p, UART_IER, sleep ? UART_IERX_SLEEP : 0);  in serial8250_set_sleep()
715 		serial_out(up, UART_IER, UART_IER_UUE);  in serial8250_clear_IER()
717 		serial_out(up, UART_IER, 0);  in serial8250_clear_IER()
1111 	iersave = serial_in(up, UART_IER);  in autoconfig_16550a()
1112 	serial_out(up, UART_IER, iersave & ~UART_IER_UUE);  in autoconfig_16550a()
1113 	if (!(serial_in(up, UART_IER) & UART_IER_UUE)) {  in autoconfig_16550a()
1118 		serial_out(up, UART_IER, iersave | UART_IER_UUE);  in autoconfig_16550a()
1119 		if (serial_in(up, UART_IER) & UART_IER_UUE) {  in autoconfig_16550a()
1136 	serial_out(up, UART_IER, iersave);  in autoconfig_16550a()
1194 		scratch = serial_in(up, UART_IER);  in autoconfig()
1195 		serial_out(up, UART_IER, 0);  in autoconfig()
1203 		scratch2 = serial_in(up, UART_IER) & UART_IER_ALL_INTR;  in autoconfig()
1204 		serial_out(up, UART_IER, UART_IER_ALL_INTR);  in autoconfig()
1208 		scratch3 = serial_in(up, UART_IER) & UART_IER_ALL_INTR;  in autoconfig()
1209 		serial_out(up, UART_IER, scratch);  in autoconfig()
1345 	save_ier = serial_in(up, UART_IER);  in autoconfig_irq()
1360 	serial_out(up, UART_IER, UART_IER_ALL_INTR);  in autoconfig_irq()
1373 	serial_out(up, UART_IER, save_ier);  in autoconfig_irq()
1393 	serial_port_out(port, UART_IER, up->ier);  in serial8250_stop_rx()
1426 		serial_port_out(&p->port, UART_IER, p->ier);  in serial8250_em485_stop_tx()
1682 	serial_port_out(port, UART_IER, up->ier);  in serial8250_disable_ms()
1701 	serial_port_out(port, UART_IER, up->ier);  in serial8250_enable_ms()
2162 	ier = serial_port_in(port, UART_IER);  in serial8250_put_poll_char()
2176 	serial_port_out(port, UART_IER, ier);  in serial8250_put_poll_char()
2212 		serial_port_out(port, UART_IER, 0);  in serial8250_do_startup()
2228 		serial_port_out(port, UART_IER, 0);  in serial8250_do_startup()
2347 		serial_port_out_sync(port, UART_IER, UART_IER_THRI);  in serial8250_do_startup()
2350 		serial_port_out(port, UART_IER, 0);  in serial8250_do_startup()
2351 		serial_port_out_sync(port, UART_IER, UART_IER_THRI);  in serial8250_do_startup()
2354 		serial_port_out(port, UART_IER, 0);  in serial8250_do_startup()
2410 	serial_port_out(port, UART_IER, UART_IER_THRI);  in serial8250_do_startup()
2413 	serial_port_out(port, UART_IER, 0);  in serial8250_do_startup()
2498 	serial_port_out(port, UART_IER, 0);  in serial8250_do_shutdown()
2862 	serial_port_out(port, UART_IER, up->ier);  in serial8250_do_set_termios()
3410 	ier = serial_port_in(port, UART_IER);  in serial8250_console_write()
3462 	serial_port_out(port, UART_IER, ier);  in serial8250_console_write()