TTY layer does nothing if tty_ldisc_ops::write_wakeup is NULL, so there is no need to implement an empty one in cx20442. Drop it.
Signed-off-by: Jiri Slaby jslaby@suse.cz Cc: Liam Girdwood lgirdwood@gmail.com Cc: Mark Brown broonie@kernel.org Cc: Jaroslav Kysela perex@perex.cz Cc: Takashi Iwai tiwai@suse.com Cc: alsa-devel@alsa-project.org --- sound/soc/codecs/cx20442.c | 6 ------ 1 file changed, 6 deletions(-)
diff --git a/sound/soc/codecs/cx20442.c b/sound/soc/codecs/cx20442.c index ec8d6e74b467..65c6b92d7b5f 100644 --- a/sound/soc/codecs/cx20442.c +++ b/sound/soc/codecs/cx20442.c @@ -279,11 +279,6 @@ static void v253_receive(struct tty_struct *tty, const unsigned char *cp, } }
-/* Line discipline .write_wakeup() */ -static void v253_wakeup(struct tty_struct *tty) -{ -} - struct tty_ldisc_ops v253_ops = { .name = "cx20442", .owner = THIS_MODULE, @@ -291,7 +286,6 @@ struct tty_ldisc_ops v253_ops = { .close = v253_close, .hangup = v253_hangup, .receive_buf = v253_receive, - .write_wakeup = v253_wakeup, }; EXPORT_SYMBOL_GPL(v253_ops);