From mboxrd@z Thu Jan  1 00:00:00 1970
From: Geert Uytterhoeven <geert@linux-m68k.org>
Subject: Re: [RFT 00/13] iomap: Constify ioreadX() iomem argument
Date: Wed, 8 Jan 2020 09:12:47 +0100
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To: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Rich Felker <dalias@libc.org>, Jiri Slaby <jirislaby@gmail.com>, "Michael S. Tsirkin" <mst@redhat.com>, David Airlie <airlied@linux.ie>, Benjamin Herrenschmidt <benh@kernel.crashing.org>, DRI Development <dri-devel@lists.freedesktop.org>, virtualization@lists.linux-foundation.org, "James E.J. Bottomley" <James.Bottomley@hansenpartnership.com>, netdev <netdev@vger.kernel.org>, Paul Mackerras <paulus@samba.org>, Linux-Arch <linux-arch@vger.kernel.org>, Dave Jiang <dave.jiang@intel.com>, Yoshinori Sato <ysato@users.sourceforge.jp>, Michael Ellerman <mpe@ellerman.id.au>, Helge Deller <deller@gmx.de>, Linux-sh list <linux-sh@vger.kernel.org>, Alexey Brodkin <abrodkin@synopsys.com>, Ben Skeggs <bskeggs@redhat.com>, nouveau@lists.freedesktop.org, Dave Airlie <airlied@redhat.com>, Matt Turner <mattst88@gmail.com>, arcml <linux-snps-arc@lists.infradead.org>, Nick Kossifidis <mic>
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Hi Krzysztof,

On Wed, Jan 8, 2020 at 9:07 AM Geert Uytterhoeven <geert@linux-m68k.org> wrote:
> On Tue, Jan 7, 2020 at 5:53 PM Krzysztof Kozlowski <krzk@kernel.org> wrote:
> > The ioread8/16/32() and others have inconsistent interface among the
> > architectures: some taking address as const, some not.
> >
> > It seems there is nothing really stopping all of them to take
> > pointer to const.
>
> Shouldn't all of them take const volatile __iomem pointers?
> It seems the "volatile" is missing from all but the implementations in
> include/asm-generic/io.h.

As my "volatile" comment applies to iowrite*(), too, probably that should be
done in a separate patch.

Hence with patches 1-5 squashed, and for patches 11-13:
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds