diff options
| -rw-r--r-- | drivers/serial/mpsc.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/serial/mpsc.c b/drivers/serial/mpsc.c index 567fa789c5c7..e984abf3e4d9 100644 --- a/drivers/serial/mpsc.c +++ b/drivers/serial/mpsc.c @@ -1520,7 +1520,6 @@ mpsc_set_termios(struct uart_port *port, struct ktermios *termios, mpsc_set_baudrate(pi, baud); /* Characters/events to read */ - pi->rcv_data = 1; pi->port.read_status_mask = SDMA_DESC_CMDSTAT_OR; if (termios->c_iflag & INPCK) @@ -1544,11 +1543,15 @@ mpsc_set_termios(struct uart_port *port, struct ktermios *termios, pi->port.ignore_status_mask |= SDMA_DESC_CMDSTAT_OR; } - /* Ignore all chars if CREAD not set */ - if (!(termios->c_cflag & CREAD)) + if ((termios->c_cflag & CREAD)) { + if (!pi->rcv_data) { + pi->rcv_data = 1; + mpsc_start_rx(pi); + } + } else if (pi->rcv_data) { + mpsc_stop_rx(port); pi->rcv_data = 0; - else - mpsc_start_rx(pi); + } spin_unlock_irqrestore(&pi->port.lock, flags); return; |