From: Razvan Stefanescu Date: Tue, 13 Aug 2019 07:40:25 +0000 (+0300) Subject: tty/serial: atmel: reschedule TX after RX was started X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=d2ace81bf902a9f11d52e59e5d232d2255a0e353;p=linux.git 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 Cc: stable Link: https://lore.kernel.org/r/20190813074025.16218-1-razvan.stefanescu@microchip.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c index 19a85d6fe3d20..9a54c9e6d36ea 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);