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tty: serial: earlycon dependency
[ Upstream commit0fb9342d06
] 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> Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -9,6 +9,7 @@ menu "Serial drivers"
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config SERIAL_EARLYCON
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bool
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depends on SERIAL_CORE
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help
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Support for early consoles with the earlycon parameter. This enables
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the console before standard serial driver is probed. The console is
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