linux-kernel - [PATCH 15/19] drivers: tty: serial: mux.c: Migrate to register_console

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Message-Id: <20251227-printk-cleanup-part3-v1-15-21a291bcf197@suse.com>
Date: Sat, 27 Dec 2025 09:16:22 -0300
From: Marcos Paulo de Souza <mpdesouza@...e.com>
To: Richard Weinberger <richard@....at>, 
 Anton Ivanov <anton.ivanov@...bridgegreys.com>, 
 Johannes Berg <johannes@...solutions.net>, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 Jason Wessel <jason.wessel@...driver.com>, 
 Daniel Thompson <danielt@...nel.org>, 
 Douglas Anderson <dianders@...omium.org>, Petr Mladek <pmladek@...e.com>, 
 Steven Rostedt <rostedt@...dmis.org>, 
 John Ogness <john.ogness@...utronix.de>, 
 Sergey Senozhatsky <senozhatsky@...omium.org>, 
 Jiri Slaby <jirislaby@...nel.org>, Breno Leitao <leitao@...ian.org>, 
 Andrew Lunn <andrew+netdev@...n.ch>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
 Geert Uytterhoeven <geert@...ux-m68k.org>, Kees Cook <kees@...nel.org>, 
 Tony Luck <tony.luck@...el.com>, 
 "Guilherme G. Piccoli" <gpiccoli@...lia.com>, 
 Madhavan Srinivasan <maddy@...ux.ibm.com>, 
 Michael Ellerman <mpe@...erman.id.au>, Nicholas Piggin <npiggin@...il.com>, 
 Christophe Leroy <christophe.leroy@...roup.eu>, 
 Andreas Larsson <andreas@...sler.com>, 
 Alexander Shishkin <alexander.shishkin@...ux.intel.com>, 
 Maxime Coquelin <mcoquelin.stm32@...il.com>, 
 Alexandre Torgue <alexandre.torgue@...s.st.com>, 
 Jacky Huang <ychuang3@...oton.com>, Shan-Chun Hung <schung@...oton.com>, 
 Laurentiu Tudor <laurentiu.tudor@....com>
Cc: linux-um@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 kgdb-bugreport@...ts.sourceforge.net, linux-serial@...r.kernel.org, 
 netdev@...r.kernel.org, linux-m68k@...ts.linux-m68k.org, 
 linux-hardening@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org, 
 sparclinux@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com, 
 linux-arm-kernel@...ts.infradead.org, linux-fsdevel@...r.kernel.org, 
 Marcos Paulo de Souza <mpdesouza@...e.com>
Subject: [PATCH 15/19] drivers: tty: serial: mux.c: Migrate to
 register_console_force helper

The register_console_force function was introduced to register consoles
even on the presence of default consoles, replacing the CON_ENABLE flag
that was forcing the same behavior.

No functional changes.

Signed-off-by: Marcos Paulo de Souza <mpdesouza@...e.com>
---
 drivers/tty/serial/mux.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/tty/serial/mux.c b/drivers/tty/serial/mux.c
index b417faead20f..5a2d706b9cbc 100644
--- a/drivers/tty/serial/mux.c
+++ b/drivers/tty/serial/mux.c
@@ -390,7 +390,7 @@ static struct console mux_console = {
 	.write =	mux_console_write,
 	.device =	uart_console_device,
 	.setup =	mux_console_setup,
-	.flags =	CON_ENABLED | CON_PRINTBUFFER,
+	.flags =	CON_PRINTBUFFER,
 	.index =	0,
 	.data =		&mux_driver,
 };
@@ -547,7 +547,7 @@ static int __init mux_init(void)
 		mod_timer(&mux_timer, jiffies + MUX_POLL_DELAY);

 #ifdef CONFIG_SERIAL_MUX_CONSOLE
-	        register_console(&mux_console);
+		register_console_force(&mux_console);
 #endif
 	}

-- 
2.52.0