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From:   Jiri Slaby <jslaby@suse.cz>
To:     gregkh@linuxfoundation.org
Cc:     linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org,
        Jiri Slaby <jslaby@suse.cz>
Subject: [PATCH 16/16] tty: drop tty_flip_buffer_push
Date:   Tue, 14 Sep 2021 11:14:15 +0200
Message-Id: <20210914091415.17918-9-jslaby@suse.cz>
In-Reply-To: <20210914091415.17918-1-jslaby@suse.cz>
References: <20210914091134.17426-1-jslaby@suse.cz>
 <20210914091415.17918-1-jslaby@suse.cz>
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Since commit a9c3f68f3cd8d (tty: Fix low_latency BUG) in 2014,
tty_flip_buffer_push() is only a wrapper to tty_schedule_flip(). All
users were converted, so remove tty_flip_buffer_push() completely.

One less exported function.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
 drivers/tty/tty_buffer.c | 17 -----------------
 include/linux/tty_flip.h |  1 -
 2 files changed, 18 deletions(-)

diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c
index 635d0af229b7..19b44639c464 100644
--- a/drivers/tty/tty_buffer.c
+++ b/drivers/tty/tty_buffer.c
@@ -550,23 +550,6 @@ static void flush_to_ldisc(struct work_struct *work)
 
 }
 
-/**
- *	tty_flip_buffer_push	-	terminal
- *	@port: tty port to push
- *
- *	Queue a push of the terminal flip buffers to the line discipline.
- *	Can be called from IRQ/atomic context.
- *
- *	In the event of the queue being busy for flipping the work will be
- *	held off and retried later.
- */
-
-void tty_flip_buffer_push(struct tty_port *port)
-{
-	tty_schedule_flip(port);
-}
-EXPORT_SYMBOL(tty_flip_buffer_push);
-
 /**
  *	tty_buffer_init		-	prepare a tty buffer structure
  *	@port: tty port to initialise
diff --git a/include/linux/tty_flip.h b/include/linux/tty_flip.h
index 9916acb5de49..7efef54df932 100644
--- a/include/linux/tty_flip.h
+++ b/include/linux/tty_flip.h
@@ -16,7 +16,6 @@ int tty_insert_flip_string_fixed_flag(struct tty_port *port,
 		const unsigned char *chars, char flag, size_t size);
 int tty_prepare_flip_string(struct tty_port *port, unsigned char **chars,
 		size_t size);
-void tty_flip_buffer_push(struct tty_port *port);
 void tty_schedule_flip(struct tty_port *port);
 int __tty_insert_flip_char(struct tty_port *port, unsigned char ch, char flag);
 
-- 
2.33.0