1 diff --git a/drivers/tty/serial/8250/8250.h b/drivers/tty/serial/8250/8250.h
2 index ebfb0bd..2b9ba39 100644
3 --- a/drivers/tty/serial/8250/8250.h
4 +++ b/drivers/tty/serial/8250/8250.h
5 @@ -80,6 +80,7 @@ struct serial8250_config {
6 #define UART_CAP_MINI (1 << 17) /* Mini UART on BCM283X family lacks:
7 * STOP PARITY EPAR SPAR WLEN5 WLEN6
9 +#define UART_CAP_NMOD (1 << 18) /* UART doesn't do termios */
11 #define UART_BUG_QUOT (1 << 0) /* UART has buggy quot LSB */
12 #define UART_BUG_TXEN (1 << 1) /* UART has buggy TX IIR status */
13 diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
14 index c39482b..e4a69a0 100644
15 --- a/drivers/tty/serial/8250/8250_port.c
16 +++ b/drivers/tty/serial/8250/8250_port.c
19 .fcr = UART_FCR_ENABLE_FIFO |
20 UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT,
21 - .flags = UART_CAP_FIFO,
22 + .flags = UART_CAP_FIFO | UART_CAP_NMOD,
25 .name = "Nuvoton 16550",
26 @@ -2663,6 +2663,11 @@ static unsigned int serial8250_get_baud_rate(struct uart_port *port,
28 unsigned int baud, quot, frac = 0;
30 + if (up->capabilities & UART_CAP_NMOD) {
31 + termios->c_cflag = 0;
35 if (up->capabilities & UART_CAP_MINI) {
36 termios->c_cflag &= ~(CSTOPB | PARENB | PARODD | CMSPAR);
37 if ((termios->c_cflag & CSIZE) == CS5 ||