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path: root/drivers/serial/mpsc.c
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Diffstat (limited to 'drivers/serial/mpsc.c')
-rw-r--r--drivers/serial/mpsc.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/serial/mpsc.c b/drivers/serial/mpsc.c
index 567fa789c5c..e984abf3e4d 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;