This is a note to let you know that I've just added the patch titled
serial: samsung: only use earlycon for console
to the 4.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
serial-samsung-only-use-earlycon-for-console.patch
and it can be found in the queue-4.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 357d56151976a78d90dc3dfac01777de0ef05212 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@xxxxxxxx>
Date: Tue, 19 May 2015 22:26:04 +0200
Subject: serial: samsung: only use earlycon for console
From: Arnd Bergmann <arnd@xxxxxxxx>
commit 357d56151976a78d90dc3dfac01777de0ef05212 upstream.
A configuration that enables earlycon but not the core console
code causes a link error:
drivers/built-in.o: In function `setup_earlycon':
drivers/tty/serial/earlycon.c:70: undefined reference to `uart_parse_earlycon'
That error can be triggered by the newly added samsung earlycon support,
which is missing a 'select' statement.
As suggested by Peter Hurley, solves the problem by moving the
'select SERIAL_EARLYCON' statement to the samsung console driver
option, as it is done by all other console drivers.
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Fixes: b94ba0328d3b3 ("serial: samsung: Add support for early console")
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/tty/serial/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -241,7 +241,6 @@ config SERIAL_SAMSUNG
tristate "Samsung SoC serial support"
depends on PLAT_SAMSUNG || ARCH_EXYNOS
select SERIAL_CORE
- select SERIAL_EARLYCON
help
Support for the on-chip UARTs on the Samsung S3C24XX series CPUs,
providing /dev/ttySAC0, 1 and 2 (note, some machines may not
@@ -277,6 +276,7 @@ config SERIAL_SAMSUNG_CONSOLE
bool "Support for console on Samsung SoC serial port"
depends on SERIAL_SAMSUNG=y
select SERIAL_CORE_CONSOLE
+ select SERIAL_EARLYCON
help
Allow selection of the S3C24XX on-board serial ports for use as
an virtual console.
Patches currently in stable-queue which might be from arnd@xxxxxxxx are
queue-4.1/serial-samsung-only-use-earlycon-for-console.patch
queue-4.1/asoc-qcom-remove-incorrect-dependencies.patch
queue-4.1/asoc-omap-fix-up-snd_omap_soc_omap_abe_twl6040-dependency-again.patch
queue-4.1/tty-remove-platform_sysrq_reset_seq.patch
queue-4.1/ideapad-fix-software-rfkill-setting.patch
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