diff options
Diffstat (limited to 'drivers/tty/serial/vt8500_serial.c')
| -rw-r--r-- | drivers/tty/serial/vt8500_serial.c | 17 |
1 files changed, 4 insertions, 13 deletions
diff --git a/drivers/tty/serial/vt8500_serial.c b/drivers/tty/serial/vt8500_serial.c index d5ed9f613005..befae2a39417 100644 --- a/drivers/tty/serial/vt8500_serial.c +++ b/drivers/tty/serial/vt8500_serial.c @@ -136,22 +136,14 @@ static void vt8500_enable_ms(struct uart_port *port) static void handle_rx(struct uart_port *port) { - struct tty_struct *tty = tty_port_tty_get(&port->state->port); - if (!tty) { - /* Discard data: no tty available */ - int count = (vt8500_read(port, VT8500_URFIDX) & 0x1f00) >> 8; - u16 ch; - while (count--) - ch = readw(port->membase + VT8500_RXFIFO); - return; - } + struct tty_port *tport = &port->state->port; /* * Handle overrun */ if ((vt8500_read(port, VT8500_URISR) & RXOVER)) { port->icount.overrun++; - tty_insert_flip_char(tty, 0, TTY_OVERRUN); + tty_insert_flip_char(tport, 0, TTY_OVERRUN); } /* and now the main RX loop */ @@ -174,11 +166,10 @@ static void handle_rx(struct uart_port *port) port->icount.rx++; if (!uart_handle_sysrq_char(port, c)) - tty_insert_flip_char(tty, c, flag); + tty_insert_flip_char(tport, c, flag); } - tty_flip_buffer_push(tty); - tty_kref_put(tty); + tty_flip_buffer_push(tport); } static void handle_tx(struct uart_port *port) |