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

[linux-2.6-block.git] / drivers / serial / pxa.c

diff --git a/drivers/serial/pxa.c b/drivers/serial/pxa.c
index 08b08d6ae904dd42f45884387d9968bef7a07445..eaa0af8352907da7f6ea4f18a8d9df7f7c096edb 100644 (file)
--- a/drivers/serial/pxa.c
+++ b/drivers/serial/pxa.c
@@ -80,7 +80,7 @@ static void serial_pxa_enable_ms(struct uart_port *port)
        serial_out(up, UART_IER, up->ier);
 }
 
-static void serial_pxa_stop_tx(struct uart_port *port, unsigned int tty_stop)
+static void serial_pxa_stop_tx(struct uart_port *port)
 {
        struct uart_pxa_port *up = (struct uart_pxa_port *)port;
 
@@ -185,7 +185,7 @@ static void transmit_chars(struct uart_pxa_port *up)
                return;
        }
        if (uart_circ_empty(xmit) || uart_tx_stopped(&up->port)) {
-               serial_pxa_stop_tx(&up->port, 0);
+               serial_pxa_stop_tx(&up->port);
                return;
        }
 
@@ -203,10 +203,10 @@ static void transmit_chars(struct uart_pxa_port *up)
 
 
        if (uart_circ_empty(xmit))
-               serial_pxa_stop_tx(&up->port, 0);
+               serial_pxa_stop_tx(&up->port);
 }
 
-static void serial_pxa_start_tx(struct uart_port *port, unsigned int tty_start)
+static void serial_pxa_start_tx(struct uart_port *port)
 {
        struct uart_pxa_port *up = (struct uart_pxa_port *)port;
 
@@ -274,14 +274,11 @@ static unsigned int serial_pxa_tx_empty(struct uart_port *port)
 static unsigned int serial_pxa_get_mctrl(struct uart_port *port)
 {
        struct uart_pxa_port *up = (struct uart_pxa_port *)port;
-       unsigned long flags;
        unsigned char status;
        unsigned int ret;
 
 return TIOCM_CTS | TIOCM_DSR | TIOCM_CAR;
-       spin_lock_irqsave(&up->port.lock, flags);
        status = serial_in(up, UART_MSR);
-       spin_unlock_irqrestore(&up->port.lock, flags);
 
        ret = 0;
        if (status & UART_MSR_DCD)