A rand config causes this link error ld: drivers/tty/serial/earlycon.o: in function `parse_options': drivers/tty/serial/earlycon.c:99: undefined reference to `uart_parse_earlycon' The rand config has CONFIG_SERIAL_CORE=m CONFIG_SERIAL_EARLYCON=y CONFIG_SERIAL_FSL_LPUART=m CONFIG_SERIAL_FSL_LPUART_CONSOLE=y SERIAL_FSL_LPUART should have been selected instead of depends on-ed. After applying the configs are CONFIG_SERIAL_CORE=y CONFIG_SERIAL_EARLYCON=y CONFIG_SERIAL_FSL_LPUART=y CONFIG_SERIAL_FSL_LPUART_CONSOLE=y Signed-off-by: Tom Rix <trix@xxxxxxxxxx> --- v2: Add how the configs changed to commit log --- drivers/tty/serial/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig index 625358f44419..b24d74d389fc 100644 --- a/drivers/tty/serial/Kconfig +++ b/drivers/tty/serial/Kconfig @@ -1313,7 +1313,7 @@ config SERIAL_FSL_LPUART config SERIAL_FSL_LPUART_CONSOLE bool "Console on Freescale lpuart serial port" - depends on SERIAL_FSL_LPUART + select SERIAL_FSL_LPUART select SERIAL_CORE_CONSOLE select SERIAL_EARLYCON help -- 2.27.0
