Re: [PATCH 4/5] serial: convert early_uart to earlycon for 8250

[Andrew Morton <akpm@linux-foundation.org>]

On Wed, 30 May 2007 21:34:35 -0700 "Yinghai Lu" <yhlu.kernel@gmail.com> wrote:

> they will need
> diff --git a/include/asm-x86_64/io.h b/include/asm-x86_64/io.h
> index de2cd9a..e2d66de 100644
> --- a/include/asm-x86_64/io.h
> +++ b/include/asm-x86_64/io.h
> @@ -145,6 +145,19 @@ extern void early_iounmap(void *addr, unsigned long size);
>  extern void __iomem * ioremap_nocache (unsigned long offset, unsigned
> long size);
>  extern void iounmap(volatile void __iomem *addr);
> 
> +#include <asm/pgtable.h>
> +#include <asm/fixmap.h>
> +
> +static inline void __iomem * fix_ioremap (unsigned idx, unsigned long phys)
> +{
> +       void __iomem * vaddr;
> +       set_fixmap_nocache(idx, phys & PAGE_MASK);
> +       vaddr = (void __iomem *)__fix_to_virt(idx);
> +       vaddr += phys & ~PAGE_MASK;
> +
> +       return vaddr;
> +}
> +

I hope not - I just removed that inlined function.  It's too large and the
inclusion of pgtable.h in io.h causes all sorts of problems.

This function should go into arch/.../mm/ioremap.c