linux-kernel - Re: [tip:x86/mm] arch/*/io.h: Add ioremap

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Message-ID: <20150729103453.GA26388@samfundet.no>
Date:	Wed, 29 Jul 2015 12:34:53 +0200
From:	Hans-Christian Egtvedt <egtvedt@...fundet.no>
To:	gerg@...inux.org, yasutake.koichi@...panasonic.com,
	gregkh@...uxfoundation.org, a.kesavan@...sung.com,
	sfr@...b.auug.org.au, hpa@...or.com, paulus@...ba.org,
	mpe@...erman.id.au, peter@...leysoftware.com, linux@...ck-us.net,
	robh@...nel.org, geert@...ux-m68k.org, hskinnemoen@...il.com,
	toshi.kani@...com, mingo@...nel.org, benh@...nel.crashing.org,
	mcgrof@...e.com, tglx@...utronix.de, will.deacon@....com,
	fengguang.wu@...el.com, torvalds@...ux-foundation.org,
	kyle@...hat.com, peterz@...radead.org, cmetcalf@...hip.com,
	bp@...e.de, dhowells@...hat.com, linux-kernel@...r.kernel.org
Cc:	linux-tip-commits@...r.kernel.org
Subject: Re: [tip:x86/mm] arch/*/io.h: Add ioremap_uc() to all architectures

Around Wed 29 Jul 2015 01:15:56 -0700 or thereabout, tip-bot for Luis R. Rodriguez wrote:
> Commit-ID:  4c73e8926623ca0f64c2c6111289ab8096fa647a
> Gitweb:     http://git.kernel.org/tip/4c73e8926623ca0f64c2c6111289ab8096fa647a
> Author:     Luis R. Rodriguez <mcgrof@...e.com>
> AuthorDate: Tue, 28 Jul 2015 20:17:13 +0200
> Committer:  Ingo Molnar <mingo@...nel.org>
> CommitDate: Wed, 29 Jul 2015 10:02:36 +0200
> 
> arch/*/io.h: Add ioremap_uc() to all architectures
> 
> 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 by 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.
> 
> Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
> Signed-off-by: Luis R. Rodriguez <mcgrof@...e.com>
> Cc: Abhilash Kesavan <a.kesavan@...sung.com>
> Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
> Cc: Borislav Petkov <bp@...e.de>
> Cc: Chris Metcalf <cmetcalf@...hip.com>
> Cc: David Howells <dhowells@...hat.com>
> Cc: Fengguang Wu <fengguang.wu@...el.com>
> Cc: Geert Uytterhoeven <geert@...ux-m68k.org>
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Cc: Greg Ungerer <gerg@...inux.org>
> Cc: Guenter Roeck <linux@...ck-us.net>
> Cc: Haavard Skinnemoen <hskinnemoen@...il.com>
> Cc: Hans-Christian Egtvedt <egtvedt@...fundet.no>
> Cc: Koichi Yasutake <yasutake.koichi@...panasonic.com>
> Cc: Kyle McMartin <kyle@...hat.com>
> Cc: Linus Torvalds <torvalds@...ux-foundation.org>
> Cc: Michael Ellerman <mpe@...erman.id.au>
> Cc: Paul Mackerras <paulus@...ba.org>
> Cc: Peter Hurley <peter@...leysoftware.com>
> Cc: Peter Zijlstra <peterz@...radead.org>
> Cc: Rob Herring <robh@...nel.org>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Toshi Kani <toshi.kani@...com>
> Cc: Will Deacon <will.deacon@....com>
> Cc: linux-am33-list@...hat.com
> Cc: linux-arch@...r.kernel.org
> Cc: linux-m68k@...ts.linux-m68k.org
> Cc: linux-sh@...r.kernel.org
> Cc: linuxppc-dev@...ts.ozlabs.org
> Link: http://lkml.kernel.org/r/20150728181713.GB30479@wotan.suse.de
> Signed-off-by: Ingo Molnar <mingo@...nel.org>
> ---
>  arch/avr32/include/asm/io.h   | 1 +

For the avr32 part

Acked-by: Hans-Christian Egtvedt <egtvedt@...fundet.no>

>  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(+)

<snipp diff>

-- 
HcE
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