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tty: serial: earlycon dependency 

parse_options() in drivers/tty/serial/earlycon.c calls uart_parse_earlycon
in drivers/tty/serial/serial_core.c therefore selecting SERIAL_EARLYCON
should automatically select SERIAL_CORE, otherwise will result in symbol
not found error during linking if SERIAL_CORE is not configured as builtin

Fixes: 9aac588759 ("tty/serial: add generic serial earlycon")
Signed-off-by: Tong Zhang <ztong0001@gmail.com>
Link: https://lore.kernel.org/r/20200828123949.2642-1-ztong0001@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
zero-sugar-mainline-defconfig
Tong Zhang 2020-08-28 08:39:50 -04:00 committed by Greg Kroah-Hartman
parent 5da6b1c079
commit 0fb9342d06
1 changed files with 1 additions and 0 deletions
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drivers/tty/serial/Kconfig
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@ -8,6 +8,7 @@ menu "Serial drivers"
config SERIAL_EARLYCON config SERIAL_EARLYCON
bool bool
depends on SERIAL_CORE
help help
Support for early consoles with the earlycon parameter. This enables Support for early consoles with the earlycon parameter. This enables
the console before standard serial driver is probed. The console is the console before standard serial driver is probed. The console is