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Message-Id: <201305270856.19456.arnd@arndb.de>
Date: Mon, 27 May 2013 08:56:19 +0200
From: Arnd Bergmann <arnd@...db.de>
To: Daniel Tang <dt.tangr@...il.com>
Cc: linux-arm-kernel@...ts.infradead.org,
"linux@....linux.org.uk ARM Linux" <linux@....linux.org.uk>,
Linus Walleij <linus.walleij@...aro.org>,
"fabian@...ter-vogt.de Vogt" <fabian@...ter-vogt.de>,
Lionel Debroux <lionel_debroux@...oo.fr>,
linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCHv4 1/6] arm: TI-Nspire platform code
On Monday 27 May 2013, Daniel Tang wrote:
>
> On 27/05/2013, at 6:46 AM, Arnd Bergmann <arnd@...db.de> wrote:
> >
> >
> >> + {
> >> + .virtual = NSPIRE_PWR_VIRT_BASE,
> >> + .pfn = __phys_to_pfn(NSPIRE_PWR_PHYS_BASE),
> >> + .length = SZ_4K,
> >> + .type = MT_DEVICE
> >> + }
> >> +};
> >
> > And I think this one can be replaced with a call to of_iomap:
>
> Does of_iomap work that early in the boot process?
Not from map_io, but soon after. What is the fist place you
really need it?
Arnd
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