Re: [PATCH-RFC 1/2] tile: don't panic on iomap

[Arnd Bergmann]

On Tuesday 29 November 2011, Michael S. Tsirkin wrote:
> diff --git a/arch/tile/include/asm/io.h b/arch/tile/include/asm/io.h
> index c9ea165..be6090d 100644
> --- a/arch/tile/include/asm/io.h
> +++ b/arch/tile/include/asm/io.h
> @@ -204,7 +204,8 @@ static inline long ioport_panic(void)
>  
>  static inline void __iomem *ioport_map(unsigned long port, unsigned int len)
>  {
> -       return (void __iomem *) ioport_panic();
> +       pr_info("Trying to map an IO resource - it does not exit on tile.\n");
> +       return NULL;
>  }

Why not just set CONFIG_NO_IOPORT and make this unavailable at compile time?

	Arnd
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