diff options
| -rw-r--r-- | drivers/tty/serial/clps711x.c | 36 |
1 files changed, 12 insertions, 24 deletions
diff --git a/drivers/tty/serial/clps711x.c b/drivers/tty/serial/clps711x.c index e71508767e1e..90efe0595718 100644 --- a/drivers/tty/serial/clps711x.c +++ b/drivers/tty/serial/clps711x.c @@ -273,10 +273,9 @@ clps711xuart_set_termios(struct uart_port *port, struct ktermios *termios, unsigned int ubrlcr, baud, quot; unsigned long flags; - /* - * We don't implement CREAD. - */ - termios->c_cflag |= CREAD; + /* Mask termios capabilities we don't support */ + termios->c_cflag &= ~CMSPAR; + termios->c_iflag &= ~(BRKINT | IGNBRK); /* Ask the core to calculate the divisor for us */ baud = uart_get_baud_rate(port, termios, old, port->uartclk / 4096, @@ -297,8 +296,10 @@ clps711xuart_set_termios(struct uart_port *port, struct ktermios *termios, ubrlcr = UBRLCR_WRDLEN8; break; } + if (termios->c_cflag & CSTOPB) ubrlcr |= UBRLCR_XSTOP; + if (termios->c_cflag & PARENB) { ubrlcr |= UBRLCR_PRTEN; if (!(termios->c_cflag & PARODD)) @@ -310,33 +311,20 @@ clps711xuart_set_termios(struct uart_port *port, struct ktermios *termios, spin_lock_irqsave(&port->lock, flags); - /* - * Update the per-port timeout. - */ - uart_update_timeout(port, termios->c_cflag, baud); - + /* Set read status mask */ port->read_status_mask = UARTDR_OVERR; if (termios->c_iflag & INPCK) port->read_status_mask |= UARTDR_PARERR | UARTDR_FRMERR; - /* - * Characters to ignore - */ + /* Set status ignore mask */ port->ignore_status_mask = 0; - if (termios->c_iflag & IGNPAR) - port->ignore_status_mask |= UARTDR_FRMERR | UARTDR_PARERR; - if (termios->c_iflag & IGNBRK) { - /* - * If we're ignoring parity and break indicators, - * ignore overruns to (for real raw support). - */ - if (termios->c_iflag & IGNPAR) - port->ignore_status_mask |= UARTDR_OVERR; - } + if (!(termios->c_cflag & CREAD)) + port->ignore_status_mask |= UARTDR_OVERR | UARTDR_PARERR | + UARTDR_FRMERR; - quot -= 1; + uart_update_timeout(port, termios->c_cflag, baud); - clps_writel(ubrlcr | quot, UBRLCR(port)); + clps_writel(ubrlcr | (quot - 1), UBRLCR(port)); spin_unlock_irqrestore(&port->lock, flags); } |