termios: Simplify rtems_termios_read_tty()

Remove dead code.

Update #2914.
This commit is contained in:
Sebastian Huber
2017-02-23 09:12:36 +01:00
parent 17f81ee3cb
commit 35a3d81581

View File

@@ -1402,7 +1402,7 @@ siproc (unsigned char c, struct rtems_termios_tty *tty)
/*
* Fill the input buffer by polling the device
*/
static rtems_status_code
static void
fillBufferPoll (struct rtems_termios_tty *tty)
{
int n;
@@ -1449,13 +1449,12 @@ fillBufferPoll (struct rtems_termios_tty *tty)
}
}
}
return RTEMS_SUCCESSFUL;
}
/*
* Fill the input buffer from the raw input queue
*/
static rtems_status_code
static void
fillBufferQueue (struct rtems_termios_tty *tty)
{
rtems_interval timeout = tty->rawInBufSemaphoreFirstTimeout;
@@ -1517,7 +1516,6 @@ fillBufferQueue (struct rtems_termios_tty *tty)
break;
}
}
return RTEMS_SUCCESSFUL;
}
rtems_status_code
@@ -1544,12 +1542,9 @@ rtems_termios_read (void *arg)
tty->cindex = tty->ccount = 0;
tty->read_start_column = tty->column;
if (tty->handler.poll_read != NULL && tty->handler.mode == TERMIOS_POLLED)
sc = fillBufferPoll (tty);
fillBufferPoll (tty);
else
sc = fillBufferQueue (tty);
if (sc != RTEMS_SUCCESSFUL)
tty->cindex = tty->ccount = 0;
fillBufferQueue (tty);
}
while (count && (tty->cindex < tty->ccount)) {
*buffer++ = tty->cbuf[tty->cindex++];