linux-kernel - Re: [PATCH 0/3] of: dts: enable memory@0 quirk for PPC32 only

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Message-ID: <CAL_JsqL8B2ZY7ACXKX3J8VN5ukjKWuycgfDZpp4kYzBxg6BLmQ@mail.gmail.com>
Date:	Thu, 17 Apr 2014 19:43:13 -0500
From:	Rob Herring <robherring2@...il.com>
To:	Leif Lindholm <leif.lindholm@...aro.org>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Linaro Patches <patches@...aro.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
	Mark Rutland <mark.rutland@....com>
Subject: Re: [PATCH 0/3] of: dts: enable memory@0 quirk for PPC32 only

On Thu, Apr 17, 2014 at 12:41 PM, Leif Lindholm
<leif.lindholm@...aro.org> wrote:
> drivers/of/fdt.c contains a workaround for a missing memory type
> entry on longtrail firmware. Make that quirk PPC32 only, and while
> at it - fix up the .dts files in the tree currently working only
> because of that quirk.

But why do you need this?

>
> Cc: devicetree@...r.kernel.org
> Cc: linuxppc-dev@...ts.ozlabs.org
> Cc: linux-kernel@...r.kernel.org
> Cc: Mark Rutland <mark.rutland@....com>
>
> Leif Lindholm (3):
>   arm: dts: add device_type="memory" for ste-ccu8540
>   mips: dts: add device_type="memory" where missing
>   of: Handle memory@0 node on PPC32 only
>
>  arch/arm/boot/dts/ste-ccu8540.dts     |    1 +
>  arch/mips/lantiq/dts/easy50712.dts    |    1 +
>  arch/mips/ralink/dts/mt7620a_eval.dts |    1 +
>  arch/mips/ralink/dts/rt2880_eval.dts  |    1 +
>  arch/mips/ralink/dts/rt3052_eval.dts  |    1 +
>  arch/mips/ralink/dts/rt3883_eval.dts  |    1 +

I'm not worried about these MIPS dts files because they are all
built-in, but you are breaking compatibility with old dtbs for this
ARM board.

Rob

>  drivers/of/fdt.c                      |    7 ++++++-
>  7 files changed, 12 insertions(+), 1 deletion(-)
>
> --
> 1.7.10.4
>
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