[U-Boot] [PATCH 2/2] ARM: exynos: Disable serial support in SPL

[Simon Glass]

On 30 April 2016 at 16:36, Marek Vasut <marex at denx.de> wrote:
> The exynos5 platforms use DM in U-Boot and do not use DM in SPL. The serial
> driver, serial_s5p.c, is DM-only. This is OK for U-Boot, but in SPL, this
> will fail with the following compile error:
>
> drivers/built-in.o: In function `get_current':
> ...u-boot/drivers/serial/serial.c:387: undefined reference to `default_serial_console'
>
> This warning happens because common/console.c is compiled into U-Boot SPL
> if CONFIG_SPL_SERIAL_SUPPORT . The common/console.c invokes serial_*()
> functions and since exynos5 does not use DM in SPL, these functions come
> from drivers/serial/serial.c . The serial_*() locate default serial port
> by calling default_serial_console(), but because the serial_s5p.c is DM-only,
> it does no longer define default_serial_console(). Thus the error.
>
> Signed-off-by: Marek Vasut <marex at denx.de>
> Cc: Simon Glass <sjg at chromium.org>
> Cc: Tom Rini <trini at konsulko.com>
> ---
>  include/configs/exynos5-common.h | 1 -
>  1 file changed, 1 deletion(-)

Reviewed-by: Simon Glass <sjg at chromium.org>