diff options
| -rw-r--r-- | drivers/tty/serial/sc16is7xx.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c index 0509be025399..ea61a297b463 100644 --- a/drivers/tty/serial/sc16is7xx.c +++ b/drivers/tty/serial/sc16is7xx.c @@ -683,12 +683,11 @@ static void sc16is7xx_start_tx(struct uart_port *port) static unsigned int sc16is7xx_tx_empty(struct uart_port *port) { - unsigned int lvl, lsr; + unsigned int lsr; - lvl = sc16is7xx_port_read(port, SC16IS7XX_TXLVL_REG); lsr = sc16is7xx_port_read(port, SC16IS7XX_LSR_REG); - return ((lsr & SC16IS7XX_LSR_THRE_BIT) && !lvl) ? TIOCSER_TEMT : 0; + return (lsr & SC16IS7XX_LSR_TEMT_BIT) ? TIOCSER_TEMT : 0; } static unsigned int sc16is7xx_get_mctrl(struct uart_port *port) |