[SERIAL] Clean up and fix tty transmission start/stoping

[pandora-kernel.git] / drivers / serial / 8250.c

diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 7e8fc7c..cedb5f2 100644 (file)
--- 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;
        }