linux-kernel - Re: [PATCH 3/4] of/platform: fix device naming for non-translatable addresses

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Message-ID: <4916948.fjAQXx11x1@wuerfel>
Date:	Thu, 08 May 2014 15:15:07 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Rob Herring <robherring2@...il.com>
Cc:	Grant Likely <grant.likely@...aro.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"Ivan T. Ivanov" <iivanov@...sol.com>,
	Josh Cartwright <joshc@...eaurora.org>,
	Courtney Cavin <courtney.cavin@...ymobile.com>,
	Bjorn Andersson <bjorn@...o.se>,
	Frank Rowand <frowand.list@...il.com>
Subject: Re: [PATCH 3/4] of/platform: fix device naming for non-translatable addresses

On Thursday 08 May 2014 07:55:06 Rob Herring wrote:
> On Thu, May 8, 2014 at 5:41 AM, Arnd Bergmann <arnd@...db.de> wrote:
> > On Wednesday 07 May 2014 16:48:17 Rob Herring wrote:
> >> From: Rob Herring <robh@...nel.org>
> >>
> >> Using non-translatable addresses in platform device names is wrong
> >> because they may not be globally unique. Just use the default naming with
> >> a global index if the address cannot be translated instead.
> >>
> >> of_can_translate_address has the same checks as of_translate_address, so
> >> we can remove it here as well.
> >
> > Have you checked that this doesn't break platforms using clkdev lookup
> > based on names with local addresses? It's quite possible that nobody
> > does that, but it would be good to have someone confirm it.
> 
> I had not, but now I have. There don't appear to be any cases of that.

Ok, thanks for checking.

	Arnd
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