Re: [PATCH net-next] net: dsa: add CONFIG_NET_DSA_LEGACY

[Andrew Lunn]

> +#ifdef CONFIG_NET_DSA_LEGACY
>  static const char *mv88e6xxx_drv_probe(struct device *dsa_dev,
>                                      struct device *host_dev, int sw_addr,
>                                      void **priv)
> @@ -4256,6 +4257,7 @@ static const char *mv88e6xxx_drv_probe(struct device 
> *dsa_dev,
>  
>       return NULL;
>  }
> +#endif /* CONFIG_NET_DSA_LEGACY */

Hi Vivien

Rather than scatter #ifdef everywhere, can you use

       if (!IS_ENABLED(CONFIG_NET_DSA_LEGACY))
              return NULL

The compiler will then throw away the rest of the function, after
checking it does actually compile.

         Andrew