Beispiel #1
0
static unsigned int bfin_serial_get_mctrl(struct uart_port *port)
{
	struct bfin_serial_port *uart = (struct bfin_serial_port *)port;
	if (uart->cts_pin < 0)
		return TIOCM_CTS | TIOCM_DSR | TIOCM_CAR;

	/* CTS PIN is negative assertive. */
	if (UART_GET_CTS(uart))
		return TIOCM_CTS | TIOCM_DSR | TIOCM_CAR;
	else
		return TIOCM_DSR | TIOCM_CAR;
}
Beispiel #2
0
static unsigned int bfin_serial_get_mctrl(struct uart_port *port)
{
#ifdef CONFIG_SERIAL_BFIN_CTSRTS
	struct bfin_serial_port *uart = (struct bfin_serial_port *)port;
	if (uart->cts_pin < 0)
		return TIOCM_CTS | TIOCM_DSR | TIOCM_CAR;

	if (UART_GET_CTS(uart))
		return TIOCM_DSR | TIOCM_CAR;
	else
#endif
		return TIOCM_CTS | TIOCM_DSR | TIOCM_CAR;
}