1 files changed, 7 insertions, 3 deletions

diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c
index 0cc879eb1c02..5959e6755a81 100644
--- a/drivers/serial/sunsu.c
+++ b/drivers/serial/sunsu.c
@@ -269,7 +269,10 @@ static void sunsu_stop_tx(struct uart_port *port)
 
         __stop_tx(up);
 
-        if (up->port.type == PORT_16C950 && tty_stop /*FIXME*/) {
+        /*
+         * We really want to stop the transmitter from sending.
+         */
+        if (up->port.type == PORT_16C950) {
                 up->acr |= UART_ACR_TXDIS;
                 serial_icr_write(up, UART_ACR, up->acr);
         }
@@ -283,10 +286,11 @@ static void sunsu_start_tx(struct uart_port *port)
                 up->ier |= UART_IER_THRI;
                 serial_out(up, UART_IER, up->ier);
         }
+
         /*
-         * We only do this from uart_start
+         * Re-enable the transmitter if we disabled it.
          */
-        if (tty_start && up->port.type == PORT_16C950 /*FIXME*/) {
+        if (up->port.type == PORT_16C950 && up->acr & UART_ACR_TXDIS) {
                 up->acr &= ~UART_ACR_TXDIS;
                 serial_icr_write(up, UART_ACR, up->acr);
         }