linux-kernel - [DO NOT MERGE v6 20/37] serial: sh-sci: fix SH4 OF support.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <ab586c0d8f44351759503f2a8998a783c8caaf9d.1704788539.git.ysato@users.sourceforge.jp>
Date: Tue,  9 Jan 2024 17:23:17 +0900
From: Yoshinori Sato <ysato@...rs.sourceforge.jp>
To: linux-sh@...r.kernel.org
Cc: Yoshinori Sato <ysato@...rs.sourceforge.jp>,
	Damien Le Moal <dlemoal@...nel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	David Airlie <airlied@...il.com>,
	Daniel Vetter <daniel@...ll.ch>,
	Thomas Gleixner <tglx@...utronix.de>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Krzysztof Wilczyński <kw@...ux.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jirislaby@...nel.org>,
	Magnus Damm <magnus.damm@...il.com>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Rich Felker <dalias@...c.org>,
	John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>,
	Lee Jones <lee@...nel.org>,
	Helge Deller <deller@....de>,
	Heiko Stuebner <heiko@...ech.de>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Chris Morgan <macromorgan@...mail.com>,
	Yang Xiwen <forbidden405@...mail.com>,
	Sebastian Reichel <sre@...nel.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Randy Dunlap <rdunlap@...radead.org>,
	Arnd Bergmann <arnd@...db.de>,
	Vlastimil Babka <vbabka@...e.cz>,
	Hyeonggon Yoo <42.hyeyoo@...il.com>,
	David Rientjes <rientjes@...gle.com>,
	Baoquan He <bhe@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Guenter Roeck <linux@...ck-us.net>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Azeem Shaikh <azeemshaikh38@...il.com>,
	Javier Martinez Canillas <javierm@...hat.com>,
	Max Filippov <jcmvbkbc@...il.com>,
	Palmer Dabbelt <palmer@...osinc.com>,
	Bin Meng <bmeng@...ylab.org>,
	Jonathan Corbet <corbet@....net>,
	Jacky Huang <ychuang3@...oton.com>,
	Lukas Bulwahn <lukas.bulwahn@...il.com>,
	Biju Das <biju.das.jz@...renesas.com>,
	Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
	Sam Ravnborg <sam@...nborg.org>,
	Sergey Shtylyov <s.shtylyov@....ru>,
	Michael Karcher <kernel@...rcher.dialup.fu-berlin.de>,
	Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
	linux-ide@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	linux-clk@...r.kernel.org,
	dri-devel@...ts.freedesktop.org,
	linux-pci@...r.kernel.org,
	linux-serial@...r.kernel.org,
	linux-fbdev@...r.kernel.org
Subject: [DO NOT MERGE v6 20/37] serial: sh-sci: fix SH4 OF support.

- fix earlycon name.
- fix earlyprintk hung (NULL pointer reference).
- fix SERIAL_SH_SCI_EARLYCON enablement

Signed-off-by: Yoshinori Sato <ysato@...rs.sourceforge.jp>
Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
 drivers/tty/serial/Kconfig  | 2 +-
 drivers/tty/serial/sh-sci.c | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 732c893c8d16..56d635371fd3 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -658,7 +658,7 @@ config SERIAL_SH_SCI_EARLYCON
 	depends on SERIAL_SH_SCI=y
 	select SERIAL_CORE_CONSOLE
 	select SERIAL_EARLYCON
-	default ARCH_RENESAS
+	default ARCH_RENESAS || SUPERH
 
 config SERIAL_SH_SCI_DMA
 	bool "DMA support" if EXPERT
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 84ab434c94ba..0a33581be08b 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -2720,7 +2720,7 @@ static int sci_remap_port(struct uart_port *port)
 	if (port->membase)
 		return 0;
 
-	if (port->dev->of_node || (port->flags & UPF_IOREMAP)) {
+	if ((port->dev && port->dev->of_node) || (port->flags & UPF_IOREMAP)) {
 		port->membase = ioremap(port->mapbase, sport->reg_size);
 		if (unlikely(!port->membase)) {
 			dev_err(port->dev, "can't remap port#%d\n", port->line);
@@ -3555,8 +3555,8 @@ static int __init hscif_early_console_setup(struct earlycon_device *device,
 
 OF_EARLYCON_DECLARE(sci, "renesas,sci", sci_early_console_setup);
 OF_EARLYCON_DECLARE(scif, "renesas,scif", scif_early_console_setup);
-OF_EARLYCON_DECLARE(scif, "renesas,scif-r7s9210", rzscifa_early_console_setup);
-OF_EARLYCON_DECLARE(scif, "renesas,scif-r9a07g044", rzscifa_early_console_setup);
+OF_EARLYCON_DECLARE(rzscifa, "renesas,scif-r7s9210", rzscifa_early_console_setup);
+OF_EARLYCON_DECLARE(rzscifa, "renesas,scif-r9a07g044", rzscifa_early_console_setup);
 OF_EARLYCON_DECLARE(scifa, "renesas,scifa", scifa_early_console_setup);
 OF_EARLYCON_DECLARE(scifb, "renesas,scifb", scifb_early_console_setup);
 OF_EARLYCON_DECLARE(hscif, "renesas,hscif", hscif_early_console_setup);
-- 
2.39.2