From mboxrd@z Thu Jan  1 00:00:00 1970
From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Date: Sat, 17 Aug 2019 16:00:48 +0000
Subject: Re: [PATCH 06/26] ia64: rename ioremap_nocache to ioremap_uc
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 <20190817073253.27819-7-hch@lst.de>
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To: Christoph Hellwig <hch@lst.de>, Arnd Bergmann <arnd@arndb.de>, Guo Ren <guoren@kernel.org>, Michal Simek <monstr@monstr.eu>, Greentime Hu <green.hu@gmail.com>, Vincent Chen <deanbo422@gmail.com>, Guan Xuetao <gxt@pku.edu.cn>, x86@kernel.org
Cc: linux-alpha@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, nios2-dev@lists.rocketboards.org, openrisc@lists.librecores.org, linux-parisc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org, linux-mtd@lists.infradead.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org

Hello!

On 17.08.2019 10:32, Christoph Hellwig wrote:

> On ia64 ioremap_nocache fails if attributs don't match.  Not other

    Attributes. :-)

> architectures does this, and we plan to get rid of ioremap_nocache.
> So get rid of the special semantics and define ioremap_nocache in
> terms of ioremap as no portable driver could rely on the behavior
> anyway.
> 
> However x86 implements ioremap_uc with a in a similar way as the ia64

    "With a" not really needed?

> version of ioremap_nocache, so implement that instead.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>
[...]

MBR, Sergei