Subject: Re: [PATCH] arch/*/io.h: Add ioremap_uc() to all architectures

From: Stephen Rothwell <[email-masked]>
Date: Wed, 29 Jul 2015 13:09:11 +1000

Hi Luis,

On Tue, 28 Jul 2015 11:22:07 -0700 "Luis R. Rodriguez" <[email-masked]> wrote:
>
> From: "Luis R. Rodriguez" <[email-masked]>
> 
> This adds ioremap_uc() only for architectures that do not
> include asm-generic.h/io.h as that already provides a default
> definition for them for both cases where you have CONFIG_MMU
> and you do not, and because of this, the number of architectures
> this patch address is less than the architectures that the
> ioremap_wt() patch addressed, "arch/*/io.h: Add ioremap_wt() to all
> architectures").
> 
> In order to reduce the number of architectures we have to
> modify when adding new architecture IO APIs we'll have to review
> the architectures in this patch, see why they can't add
> asm-generic.h/io.h or issues that would be created by doing
> so and then spread a consistent inclusion of this header
> towards the end of their own header. For instance arch/metag
> includes the asm-generic/io.h *before* the ioremap*()
> definitions, this should be the other way around but only
> once we have guard wrappers for the non-MMU case also for
> asm-generic/io.h.
> 
> Cc: Arnd Bergmann <[email-masked]>
> Reported-by: Stephen Rothwell <[email-masked]>
> Signed-off-by: Luis R. Rodriguez <[email-masked]>
> ---
>  arch/avr32/include/asm/io.h   | 1 +
>  arch/frv/include/asm/io.h     | 1 +
>  arch/m32r/include/asm/io.h    | 1 +
>  arch/m68k/include/asm/io_mm.h | 1 +
>  arch/mn10300/include/asm/io.h | 1 +
>  arch/powerpc/include/asm/io.h | 1 +
>  arch/sh/include/asm/io.h      | 1 +
>  arch/tile/include/asm/io.h    | 1 +
>  8 files changed, 8 insertions(+)

I have added this to linux-next today instead of reverting the other 2
patches.

-- 
Cheers,
Stephen Rothwell                    [email-masked]