On 17. 08. 20, 20:54, Tong Zhang wrote: > 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 > > Signed-off-by: Tong Zhang <ztong0001@xxxxxxxxx> The "Fixes:" keyword should not have been in the Subject but here. According to your findings something like this: Fixes: 73abaf87f01b (serial: earlycon: Refactor parse_options into serial core) I am not sure: 1) it should be "select" (and not "depends") 2) serial earlycon should depend on serial core. But it's likely OK. > drivers/tty/serial/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig > index 8a0352eb337c..42e844314cbb 100644 > --- a/drivers/tty/serial/Kconfig > +++ b/drivers/tty/serial/Kconfig > @@ -8,6 +8,7 @@ menu "Serial drivers" > > config SERIAL_EARLYCON > bool > + select SERIAL_CORE > help > Support for early consoles with the earlycon parameter. This enables > the console before standard serial driver is probed. The console is > thanks, -- js suse labs
