Lines Matching full:optional

29  *	Optional method. Default behaviour is to use the @self->ttys array.
36  *	Optional method. Default behaviour is to use the @self->ttys array.
43  *	Optional method. Default behaviour is to use the @self->ttys array.
86  *	Optional: Required for writable devices. May not sleep.
96  *	Optional: Kernel will use the @write method if not provided. Do not
104  *	Optional. Do not call this function directly, call
126  *	Optional: if not provided, it is assumed there is no queue on the
136  *	Optional.
143  *	Optional.
156  *	Optional. Called under the @tty->termios_rwsem. May sleep.
164  *	Optional. Called under the @tty->ldisc_sem and @tty->termios_rwsem.
175  *	Optional: Always invoke via tty_throttle_safe(). Called under the
184  *	Optional. Always invoke via tty_unthrottle(). Called under the
194  *	Optional. Always invoke via stop_tty().
203  *	Optional. Always invoke via start_tty().
210  *	Optional. Called with tty lock held.
214  *	This optional routine requests the @tty driver to turn on or off BREAK
226  *	Optional: Required for %TCSBRK/%BRKP/etc. handling. May sleep.
233  *	Optional: if not provided, it is assumed there is no queue on the
243  *	Optional: If not provided, the device is assumed to have no FIFO.
251  *	Optional: If not provided, then the @write method is called under
259  *	Optional: If not provided, then %ENOTTY is returned from the %TIOCMGET
268  *	Optional: If not provided, then %ENOTTY is returned from the %TIOCMSET
276  *	Optional: the default action is to update the termios structure
288  *	Optional: called only if provided, otherwise %ENOTTY will be returned.
295  *	Optional: called only if provided, otherwise %ENOTTY will be returned.
303  *	Optional: called only if provided, otherwise %ENOTTY will be returned.
312  *	Optional: called only if provided, otherwise nothing is written to @m.
321  *	Optional: called only if provided, otherwise skipped as a non-polling
329  *	Optional: called only if @poll_init provided.
336  *	Optional: called only if @poll_init provided.
344  *	Optional: called only if provided, otherwise no /proc entry created.
348  * they are optional, and can be filled in with a %NULL pointer.