diff options
Diffstat (limited to 'drivers/tty/serial/ip22zilog.c')
| -rw-r--r-- | drivers/tty/serial/ip22zilog.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/tty/serial/ip22zilog.c b/drivers/tty/serial/ip22zilog.c index 1d9420548e16..99b7b8697861 100644 --- a/drivers/tty/serial/ip22zilog.c +++ b/drivers/tty/serial/ip22zilog.c @@ -603,6 +603,8 @@ static void ip22zilog_start_tx(struct uart_port *port) } else { struct circ_buf *xmit = &port->state->xmit; + if (uart_circ_empty(xmit)) + return; writeb(xmit->buf[xmit->tail], &channel->data); ZSDELAY(); ZS_WSYNC(channel); @@ -850,7 +852,7 @@ ip22zilog_convert_to_zs(struct uart_ip22zilog_port *up, unsigned int cflag, up->port.read_status_mask = Rx_OVR; if (iflag & INPCK) up->port.read_status_mask |= CRC_ERR | PAR_ERR; - if (iflag & (BRKINT | PARMRK)) + if (iflag & (IGNBRK | BRKINT | PARMRK)) up->port.read_status_mask |= BRK_ABRT; up->port.ignore_status_mask = 0; |