linux-kernel - Re: [PATCH 3/3] of: Handle memory@0 node on PPC32 only

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Date:	Fri, 18 Apr 2014 15:11:03 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Leif Lindholm <leif.lindholm@...aro.org>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	patches@...aro.org,
	"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
	Grant Likely <grant.likely@...aro.org>,
	Mark Rutland <mark.rutland@....com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Rob Herring <robherring2@...il.com>,
	Lee Jones <lee.jones@...aro.org>
Subject: Re: [PATCH 3/3] of: Handle memory@0 node on PPC32 only

Hei Leif,

On Fri, Apr 18, 2014 at 2:59 PM, Leif Lindholm <leif.lindholm@...aro.org> wrote:
> On Fri, Apr 18, 2014 at 10:04:15AM +0200, Geert Uytterhoeven wrote:
>> On Thu, Apr 17, 2014 at 7:42 PM, Leif Lindholm <leif.lindholm@...aro.org> wrote:
>> > In order to deal with an firmware bug on a specific ppc32 platform
>> > (longtrail), early_init_dt_scan_memory() looks for a node called
>> > memory@0 on all platforms. Restrict this quirk to ppc32 kernels only.
>>
>> This breaks backwards compatibilty with old DTSes (at least on ARM/MIPS,
>> where you added the missing property in patches 1 and 2 of the series)?
>
> As Rob said in response to 0/3, the MIPSs would likely not be affected,
> since they embed the DT.
>
> How about the below v2 3/3 to address the ARM platform?

Looks fine to me, thanks!

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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