bfin-new-serial-break.patch

   1 Index: bfin_5xx.c
   2 ===================================================================
   3 RCS file: /usr/local/src/blackfin/rsync/uclinux533/uClinux-dist/linux-2.6.x/drivers/serial/bfin_5xx.c,v
   4 retrieving revision 1.20
   5 diff -u -p -r1.20 bfin_5xx.c
   6 --- bfin_5xx.c  14 Oct 2006 04:28:21 -0000      1.20
   7 +++ bfin_5xx.c  14 Oct 2006 22:03:11 -0000
   8 @@ -163,11 +163,29 @@ static void
   9  bfin_serial_rx_chars(struct bfin_serial_port *uart, struct pt_regs *regs)
  10  {
  11         struct tty_struct *tty = uart->port.info->tty;
  12 -       unsigned int status=0, ch, flg;
  13 +       unsigned int status, ch, flg;
  14 +
  15 +       status = UART_GET_LSR(uart);
  16 +       ch = UART_GET_CHAR(uart);
  17 +       uart->port.icount.rx++;
  18 +
  19 +       if (status & BI) {
  20 +               if (uart_handle_break(&uart->port))
  21 +                       goto ignore_char;
  22 +               flg = TTY_BREAK;
  23 +               uart->port.icount.brk++;
  24 +       } else if (status & PE) {
  25 +               flg = TTY_PARITY;
  26 +               uart->port.icount.parity++;
  27 +       } else if (status & OE) {
  28 +               flg = TTY_OVERRUN;
  29 +               uart->port.icount.overrun++;
  30 +       } else if (status & FE) {
  31 +               flg = TTY_FRAME;
  32 +               uart->port.icount.frame++;
  33 +       } else
  34 +               flg = TTY_NORMAL;
  35
  36 -       ch = UART_GET_CHAR(uart);
  37 -       uart->port.icount.rx++;
  38 -       flg = TTY_NORMAL;
  39         if (uart_handle_sysrq_char(&uart->port, ch, regs))
  40                 goto ignore_char;
  41         uart_insert_char(&uart->port, status, 1, ch, flg);