diff options
Diffstat (limited to 'drivers/tty/mxser.c')
| -rw-r--r-- | drivers/tty/mxser.c | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c index 93a95a135a71..f9615245a60a 100644 --- a/drivers/tty/mxser.c +++ b/drivers/tty/mxser.c @@ -878,7 +878,6 @@ static void mxser_flush_buffer(struct tty_struct *tty) static void mxser_close_port(struct tty_port *port) { struct mxser_port *info = container_of(port, struct mxser_port, port); - unsigned long timeout; /* * At this point we stop accepting input. To do this, we * disable the receive line status interrupts, and tell the @@ -890,17 +889,6 @@ static void mxser_close_port(struct tty_port *port) info->IER &= ~MOXA_MUST_RECV_ISR; outb(info->IER, info->ioaddr + UART_IER); - /* - * Before we drop DTR, make sure the UART transmitter - * has completely drained; this is especially - * important if there is a transmit FIFO! - */ - timeout = jiffies + HZ; - while (!(inb(info->ioaddr + UART_LSR) & UART_LSR_TEMT)) { - schedule_timeout_interruptible(5); - if (time_after(jiffies, timeout)) - break; - } } /* |