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")
diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 43b61f8e3e74..9adfd0997865 100644
--- 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.
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