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cx20442: tty_ldisc_ops::write_wakeup is optional
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. 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 Signed-off-by: Jiri Slaby <jslaby@suse.cz> Link: https://lore.kernel.org/r/20210722115141.516-1-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1 changed files with 0 additions and 6 deletions
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@ -279,11 +279,6 @@ static void v253_receive(struct tty_struct *tty, const unsigned char *cp,
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}
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}
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/* Line discipline .write_wakeup() */
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static void v253_wakeup(struct tty_struct *tty)
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{
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}
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struct tty_ldisc_ops v253_ops = {
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.name = "cx20442",
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.owner = THIS_MODULE,
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@ -291,7 +286,6 @@ struct tty_ldisc_ops v253_ops = {
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.close = v253_close,
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.hangup = v253_hangup,
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.receive_buf = v253_receive,
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.write_wakeup = v253_wakeup,
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};
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EXPORT_SYMBOL_GPL(v253_ops);
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