On Wednesday 04 February 2015 06:39 AM, Peter Hurley wrote:
> Commit ffb7fcd66f14 ("ARC: Dynamically determine BASE_BAUD from DeviceTree")
> breaks arc:defconfig build:
>
> drivers/built-in.o: In function `of_setup_earlycon':
> (.init.text+0xb3e): undefined reference to `arc_early_base_baud'
> drivers/built-in.o: In function `setup_earlycon':
> (.init.text+0xcd0): undefined reference to `arc_early_base_baud'
> make: *** [vmlinux] Error 1
>
> BASE_BAUD is only required for earlycon, which should depend on
> CONFIG_SERIAL_EARLYCON.
>
> Reported-by: Guenter Roeck <linux@xxxxxxxxxxxx>
> Tested-by: Guenter Roeck <linux@xxxxxxxxxxxx>
> Signed-off-by: Peter Hurley <peter@xxxxxxxxxxxxxxxxxx>
/Me slaps myself :-(
Thx for the quick fix Peter. Now applied to my for-next and also quickly tested on
simulator.
FWIW, the issue came about because defconfig doesn't use the 8250 uart driver,
rather the legacy arc uart which still uses earlycon - but I still can't fathom
why i didn't see it earlier.
Thx,
-Vineet
> ---
> arch/arc/kernel/devtree.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arc/kernel/devtree.c b/arch/arc/kernel/devtree.c
> index 5036d4c..e32b54a 100644
> --- a/arch/arc/kernel/devtree.c
> +++ b/arch/arc/kernel/devtree.c
> @@ -17,7 +17,7 @@
> #include <asm/clk.h>
> #include <asm/mach_desc.h>
>
> -#ifdef CONFIG_SERIAL_8250_CONSOLE
> +#ifdef CONFIG_SERIAL_EARLYCON
>
> static unsigned int __initdata arc_base_baud;
>
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