Re: [PATCH] tty: serial: fsl_lpuart: select SERIAL_FSL_LPUART for SERIAL_FSL_LPUART_CONSOLE

From: Randy Dunlap
Date: Sat Feb 25 2023 - 12:52:40 EST


Hi--

On 2/25/23 09:39, Tom Rix wrote:
> 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.
>
> Signed-off-by: Tom Rix <trix@xxxxxxxxxx>
> ---
> 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

Most other _CONSOLE Kconfig have:

depends on SERIAL_FSL_LPUART=y

e.g.

but I noticed a few others with a similar problem.

> select SERIAL_CORE_CONSOLE
> select SERIAL_EARLYCON
> help

--
~Randy