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authorRazvan Stefanescu <razvan.stefanescu@microchip.com>2019-08-13 09:40:25 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-09-04 12:43:54 +0200
commitd2ace81bf902a9f11d52e59e5d232d2255a0e353 (patch)
treec3650e51c1767b7923fee8601f1d1d5126cf2b88 /drivers/tty
parenttty: serial: Add linflexuart driver for S32V234 (diff)
downloadlinux-d2ace81bf902a9f11d52e59e5d232d2255a0e353.tar.xz
linux-d2ace81bf902a9f11d52e59e5d232d2255a0e353.zip
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.c1
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);