Flow control characters should be sent even if the TX is stopped. So fix
owl-uart to behave the same as other drivers.
This unification also allows the use of the TX helper in the future.
Cc: "Andreas Färber" <afaerber@xxxxxxx>
Cc: Manivannan Sadhasivam <mani@xxxxxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
drivers/tty/serial/owl-uart.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/tty/serial/owl-uart.c b/drivers/tty/serial/owl-uart.c
index 5250bd7d390a..5ff7c89aeb06 100644
--- a/drivers/tty/serial/owl-uart.c
+++ b/drivers/tty/serial/owl-uart.c
@@ -184,9 +184,6 @@ static void owl_uart_send_chars(struct uart_port *port)
struct circ_buf *xmit = &port->state->xmit;
unsigned int ch;
- if (uart_tx_stopped(port))
- return;
-
if (port->x_char) {
while (!(owl_uart_read(port, OWL_UART_STAT) & OWL_UART_STAT_TFFU))
cpu_relax();
@@ -195,6 +192,9 @@ static void owl_uart_send_chars(struct uart_port *port)
port->x_char = 0;
}
+ if (uart_tx_stopped(port))
+ return;
+
while (!(owl_uart_read(port, OWL_UART_STAT) & OWL_UART_STAT_TFFU)) {
if (uart_circ_empty(xmit))
break;
--
2.35.1
