1285 	if (p->ier & UART_IER_THRI) {  in __stop_tx()
1286 		p->ier &= ~UART_IER_THRI;  in __stop_tx()
1287 		serial_out(p, UART_IER, p->ier);  in __stop_tx()
1318 	if (!(up->ier & UART_IER_THRI)) {  in serial8250_start_tx()
1319 		up->ier |= UART_IER_THRI;  in serial8250_start_tx()
1320 		serial_port_out(port, UART_IER, up->ier);  in serial8250_start_tx()
1356 	up->ier &= ~(UART_IER_RLSI | UART_IER_RDI);  in serial8250_stop_rx()
1358 	serial_port_out(port, UART_IER, up->ier);  in serial8250_stop_rx()
1372 	up->ier &= ~UART_IER_MSI;  in serial8250_disable_ms()
1373 	serial_port_out(port, UART_IER, up->ier);  in serial8250_disable_ms()
1384 	up->ier |= UART_IER_MSI;  in serial8250_enable_ms()
1387 	serial_port_out(port, UART_IER, up->ier);  in serial8250_enable_ms()
1528 	if (status & UART_MSR_ANY_DELTA && up->ier & UART_IER_MSI &&  in serial8250_modem_status()
1773 	unsigned int ier;  in serial8250_put_poll_char()  local
1780 	ier = serial_port_in(port, UART_IER);  in serial8250_put_poll_char()
1797 	serial_port_out(port, UART_IER, ier);  in serial8250_put_poll_char()
2029 	up->ier = UART_IER_RLSI | UART_IER_RDI;  in serial8250_do_startup()
2063 	up->ier = 0;  in serial8250_do_shutdown()
2328 	up->ier &= ~UART_IER_MSI;  in serial8250_do_set_termios()
2331 		up->ier |= UART_IER_MSI;  in serial8250_do_set_termios()
2333 		up->ier |= UART_IER_UUE;  in serial8250_do_set_termios()
2335 		up->ier |= UART_IER_RTOIE;  in serial8250_do_set_termios()
2337 	serial_port_out(port, UART_IER, up->ier);  in serial8250_do_set_termios()
2839 	unsigned int ier;  in serial8250_console_write()  local
2856 	ier = serial_port_in(port, UART_IER);  in serial8250_console_write()
2876 	serial_port_out(port, UART_IER, ier);  in serial8250_console_write()