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Message-ID: <CAEbi=3cAoP85hc-0rMwPoJ8=BjfG=4HaD89rqbEdiA7saUx7yQ@mail.gmail.com>
Date: Mon, 18 Dec 2017 19:44:49 +0800
From: Greentime Hu <green.hu@...il.com>
To: Arnd Bergmann <arnd@...db.de>
Cc: Greentime <greentime@...estech.com>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
linux-arch <linux-arch@...r.kernel.org>,
Thomas Gleixner <tglx@...utronix.de>,
Jason Cooper <jason@...edaemon.net>,
Marc Zyngier <marc.zyngier@....com>,
Rob Herring <robh+dt@...nel.org>,
Networking <netdev@...r.kernel.org>,
Vincent Chen <deanbo422@...il.com>,
DTML <devicetree@...r.kernel.org>,
Al Viro <viro@...iv.linux.org.uk>,
David Howells <dhowells@...hat.com>,
Will Deacon <will.deacon@....com>,
Daniel Lezcano <daniel.lezcano@...aro.org>,
linux-serial@...r.kernel.org,
Geert Uytterhoeven <geert.uytterhoeven@...il.com>,
Linus Walleij <linus.walleij@...aro.org>,
Mark Rutland <mark.rutland@....com>, Greg KH <greg@...ah.com>,
Guo Ren <ren_guo@...ky.com>,
Philippe Ombredanne <pombredanne@...b.com>,
Vincent Chen <vincentc@...estech.com>
Subject: Re: [PATCH v4 13/36] nds32: Device specific operations
2017-12-18 19:26 GMT+08:00 Arnd Bergmann <arnd@...db.de>:
> On Mon, Dec 18, 2017 at 7:46 AM, Greentime Hu <green.hu@...il.com> wrote:
>
>> +#define __ASM_NDS32_IO_H
>> +
>> +extern void iounmap(void __iomem *addr);
>
> The prototype here should probably include 'volatile' to avoid warnings in an
> allmodconfig build.
>
Thanks. I will update it like this.
extern void iounmap(volatile void __iomem *addr);
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