From mboxrd@z Thu Jan  1 00:00:00 1970
From: Baoquan He <bhe@redhat.com>
Subject: Re: [PATCH v3 2/2] arch/*/io.h: remove ioremap_uc in some
 architectures
Date: Tue, 7 Mar 2023 09:30:43 +0800
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To: Michael Ellerman <mpe@ellerman.id.au>
Cc: Linux-Arch <linux-arch@vger.kernel.org>, linux-parisc@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>, linux-sh@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, Christoph Hellwig <hch@infradead.org>, linux-mm@kvack.org, linux-m68k@lists.linux-m68k.org, Geert Uytterhoeven <geert@linux-m68k.org>, Luis Chamberlain <mcgrof@kernel.org>, linux-alpha@vger.kernel.org, sparclinux@vger.kernel.org, linuxppc-dev@lists.ozlabs.org

On 03/07/23 at 11:58am, Michael Ellerman wrote:
> "Arnd Bergmann" <arnd@arndb.de> writes:
> > On Sun, Mar 5, 2023, at 10:29, Geert Uytterhoeven wrote:
> >> On Sun, Mar 5, 2023 at 10:23=E2=80=AFAM Michael Ellerman <mpe@ellerman=
.id.au> wrote:
> >>> Maybe that exact code path is only reachable on x86/ia64? But if so
> >>> please explain why.
> >>>
> >>> Otherwise it looks like this series could break that driver on powerpc
> >>> at least.
> >>
> >> Indeed.
> >
> > When I last looked into this, I sent a patch to use ioremap()
> > on non-x86:
> >
> > https://lore.kernel.org/all/20191111192258.2234502-1-arnd@arndb.de/
>=20
> OK thanks.
>=20
> Baoquan can you add that patch to the start of this series if/when you
> post the next version?

Sure, will do. Wondering if we need make change to cover powerpc other
than x86 and ia64 in Arnd's patch as you and Geert pointed out.