diff options
Diffstat (limited to 'drivers/serial/8250.c')
| -rw-r--r-- | drivers/serial/8250.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index 7e8fc7c1d4cc..cedb5f2f35cc 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -1001,7 +1001,7 @@ static inline void __stop_tx(struct uart_8250_port *p) } } -static void serial8250_stop_tx(struct uart_port *port, unsigned int tty_stop) +static void serial8250_stop_tx(struct uart_port *port) { struct uart_8250_port *up = (struct uart_8250_port *)port; @@ -1018,7 +1018,7 @@ static void serial8250_stop_tx(struct uart_port *port, unsigned int tty_stop) static void transmit_chars(struct uart_8250_port *up); -static void serial8250_start_tx(struct uart_port *port, unsigned int tty_start) +static void serial8250_start_tx(struct uart_port *port) { struct uart_8250_port *up = (struct uart_8250_port *)port; @@ -1158,7 +1158,11 @@ static _INLINE_ void transmit_chars(struct uart_8250_port *up) up->port.x_char = 0; return; } - if (uart_circ_empty(xmit) || uart_tx_stopped(&up->port)) { + if (uart_tx_stopped(&up->port)) { + serial8250_stop_tx(&up->port); + return; + } + if (uart_circ_empty(xmit)) { __stop_tx(up); return; } |