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.
85 * Optional: Required for writable devices. May not sleep.
95 * Optional: Kernel will use the @write method if not provided. Do not
103 * Optional. Do not call this function directly, call
125 * Optional: if not provided, it is assumed there is no queue on the
135 * Optional.
142 * Optional.
155 * Optional. Called under the @tty->termios_rwsem. May sleep.
162 * Optional. Called under the @tty->ldisc_sem and @tty->termios_rwsem.
170 * Optional. Called under the @tty->ldisc_sem and @tty->termios_rwsem.
181 * Optional: Always invoke via tty_throttle_safe(). Called under the
190 * Optional. Always invoke via tty_unthrottle(). Called under the
200 * Optional. Always invoke via stop_tty().
209 * Optional. Always invoke via start_tty().
216 * Optional. Called with tty lock held.
220 * This optional routine requests the @tty driver to turn on or off BREAK
232 * Optional: Required for %TCSBRK/%BRKP/etc. handling. May sleep.
239 * Optional: if not provided, it is assumed there is no queue on the
249 * Optional: If not provided, the device is assumed to have no FIFO.
257 * Optional: If not provided, then the @write method is called under
265 * Optional: If not provided, then %ENOTTY is returned from the %TIOCMGET
274 * Optional: If not provided, then %ENOTTY is returned from the %TIOCMSET
282 * Optional: the default action is to update the termios structure
294 * Optional: called only if provided, otherwise %ENOTTY will be returned.
301 * Optional: called only if provided, otherwise %ENOTTY will be returned.
309 * Optional: called only if provided, otherwise %ENOTTY will be returned.
318 * Optional: called only if provided, otherwise nothing is written to @m.
327 * Optional: called only if provided, otherwise skipped as a non-polling
335 * Optional: called only if @poll_init provided.
342 * Optional: called only if @poll_init provided.
350 * Optional: called only if provided, otherwise no /proc entry created.
354 * they are optional, and can be filled in with a %NULL pointer.