Hi Arnd,
On 04/10/2015 06:01 PM, Arnd Bergmann wrote:
> A configuration that enables earlycon but not the core console
> code causes a link error:
>
> drivers/built-in.o: In function `setup_earlycon':
> drivers/tty/serial/earlycon.c:70: undefined reference to `uart_parse_earlycon'
>
> That error can be triggered by the newly added samsung earlycon support,
> which is missing a 'select' statement. This patch adds the 'select'
> to make serial-samsung behave like the other drivers.
Since Kconfig has a separate option for enabling console on Samsung,
I'd rather move uart_parse_earlycon() and enclose it in
#if defined(CONFIG_SERIAL_CORE_CONSOLE) || defined(CONFIG_SERIAL_EARLYCON)
...
#endif
I'll send a fix for that right now.
Regards,
Peter Hurley
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> Fixes: b94ba0328d3b3 ("serial: samsung: Add support for early console")
>
> diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
> index f8120c1bde14..5cd8f38a36de 100644
> --- a/drivers/tty/serial/Kconfig
> +++ b/drivers/tty/serial/Kconfig
> @@ -241,6 +241,7 @@ config SERIAL_SAMSUNG
> tristate "Samsung SoC serial support"
> depends on PLAT_SAMSUNG || ARCH_EXYNOS
> select SERIAL_CORE
> + select SERIAL_CORE_CONSOLE
> select SERIAL_EARLYCON
> help
> Support for the on-chip UARTs on the Samsung S3C24XX series CPUs,
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