diff options
| author | Razvan Stefanescu <razvan.stefanescu@microchip.com> | 2019-08-13 10:40:25 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-09-04 12:43:54 +0200 |
| commit | d2ace81bf902a9f11d52e59e5d232d2255a0e353 (patch) | |
| tree | c3650e51c1767b7923fee8601f1d1d5126cf2b88 /drivers/tty | |
| parent | 09864c1cdf5c537bd01bff45181406e422ea988c (diff) | |
tty/serial: atmel: reschedule TX after RX was started
When half-duplex RS485 communication is used, after RX is started, TX
tasklet still needs to be scheduled tasklet. This avoids console freezing
when more data is to be transmitted, if the serial communication is not
closed.
Fixes: 69646d7a3689 ("tty/serial: atmel: RS485 HD w/DMA: enable RX after TX is stopped")
Signed-off-by: Razvan Stefanescu <razvan.stefanescu@microchip.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20190813074025.16218-1-razvan.stefanescu@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/atmel_serial.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c index 19a85d6fe3d2..9a54c9e6d36e 100644 --- a/drivers/tty/serial/atmel_serial.c +++ b/drivers/tty/serial/atmel_serial.c @@ -1400,7 +1400,6 @@ atmel_handle_transmit(struct uart_port *port, unsigned int pending) atmel_port->hd_start_rx = false; atmel_start_rx(port); - return; } atmel_tasklet_schedule(atmel_port, &atmel_port->tasklet_tx); |