> The nlm_early_serial_setup code needs the early_serial_setup symbol
> which is only available if CONFIG_SERIAL_8250 is selected.
> Fixes the following build problem:
>
> arch/mips/built-in.o: In function `nlm_early_serial_setup':
> setup.c:(.init.text+0x274): undefined reference to `early_serial_setup'
> make: *** [vmlinux] Error 1
>
> Signed-off-by: Markos Chandras <markos.chandras@xxxxxxxxxx>
> ---
> arch/mips/netlogic/xlr/setup.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/arch/mips/netlogic/xlr/setup.c b/arch/mips/netlogic/xlr/setup.c
> index 214d123..6d7d75e 100644
> --- a/arch/mips/netlogic/xlr/setup.c
> +++ b/arch/mips/netlogic/xlr/setup.c
> @@ -60,6 +60,7 @@ unsigned int nlm_threads_per_core = 1;
> struct nlm_soc_info nlm_nodes[NLM_NR_NODES];
> cpumask_t nlm_cpumask = CPU_MASK_CPU0;
>
> +#ifdef CONFIG_SERIAL_8250
> static void __init nlm_early_serial_setup(void)
> {
> struct uart_port s;
> @@ -78,6 +79,9 @@ static void __init nlm_early_serial_setup(void)
> s.membase = (unsigned char __iomem *)uart_base;
> early_serial_setup(&s);
> }
> +#else
> +static inline void nlm_early_serial_setup(void) {}
> +#endif
>
The UART device is on the SoC, so adding 'select SERIAL_8250' to the Kconfig
for NLM_XLP_BOARD may be a better option.
JC.
