diff options
| author | Jiri Slaby <jslaby@suse.cz> | 2022-04-11 12:45:05 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-04-14 18:27:18 +0200 |
| commit | d9b80d07db686402bbb3b237692a98da93125ace (patch) | |
| tree | 426c6ad9c6ba77eb51461d7413a6f0c0c35dbc66 /drivers/tty/serial/owl-uart.c | |
| parent | 83ead219292afb5dd401b68c4ee3becf8d26b6e4 (diff) | |
tty: serial: owl-uart, send x_char even if stopped
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@suse.de>
Cc: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20220411104506.8990-3-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/owl-uart.c')
| -rw-r--r-- | drivers/tty/serial/owl-uart.c | 6 |
1 files 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; |