diff options
Diffstat (limited to 'drivers/tty/serial/mpc52xx_uart.c')
| -rw-r--r-- | drivers/tty/serial/mpc52xx_uart.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/tty/serial/mpc52xx_uart.c b/drivers/tty/serial/mpc52xx_uart.c index 6fc07eb9d74e..41de374d9784 100644 --- a/drivers/tty/serial/mpc52xx_uart.c +++ b/drivers/tty/serial/mpc52xx_uart.c @@ -239,8 +239,9 @@ static int mpc52xx_psc_tx_rdy(struct uart_port *port) static int mpc52xx_psc_tx_empty(struct uart_port *port) { - return in_be16(&PSC(port)->mpc52xx_psc_status) - & MPC52xx_PSC_SR_TXEMP; + u16 sts = in_be16(&PSC(port)->mpc52xx_psc_status); + + return (sts & MPC52xx_PSC_SR_TXEMP) ? TIOCSER_TEMT : 0; } static void mpc52xx_psc_start_tx(struct uart_port *port) |