linux-kernel - Re: [PATCH v2 00/21] FDT clean-ups and libfdt support

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Date:	Wed, 30 Apr 2014 11:33:53 +1100
From:	Stephen N Chivers <schivers@....com.au>
To:	Rob Herring <robherring2@...il.com>
Cc:	Aurelien Jacquiot <a-jacquiot@...com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Chris Zankel <chris@...kel.net>, devicetree@...r.kernel.org,
	Grant Likely <grant.likely@...aro.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	James Hogan <james.hogan@...tec.co>,
	linux-kernel@...r.kernel.org, linux-kernel-owner@...r.kernel.org,
	Ingo Molnar <mingo@...hat.com>, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH v2 00/21] FDT clean-ups and libfdt support

> From: Rob Herring <robherring2@...il.com>
> To: Grant Likely <grant.likely@...aro.org>, linux-
> kernel@...r.kernel.org, devicetree@...r.kernel.org
> Cc: Rob Herring <robh@...nel.org>, Aurelien Jacquiot <a-
> jacquiot@...com>, Benjamin Herrenschmidt <benh@...nel.crashing.org>,
> Chris Zankel <chris@...kel.net>, "H. Peter Anvin" <hpa@...or.com>, 
> Ingo Molnar <mingo@...hat.com>, James Hogan <james.hogan@...tec.co>
> Date: 04/30/2014 09:45 AM
> Subject: [PATCH v2 00/21] FDT clean-ups and libfdt support
> Sent by: linux-kernel-owner@...r.kernel.org
> 
> From: Rob Herring <robh@...nel.org>
> 
> This is a series of clean-ups of architecture FDT code and converts the
> core FDT code over to using libfdt functions. This is in preparation
> to add FDT based address translation parsing functions for early
> console support. This series removes direct access to FDT data from all
> arches except powerpc.
> 
> The current MIPS lantiq and xlp DT code is buggy as built-in DTBs need
> to be copied out of init section. Patches 2 and 3 should be applied to
> 3.15.
> 
> Changes in v2 are relatively minor. There was a bug in the unflattening
> code where walking up the tree was not being handled correctly (thanks
> to Michal Simek). I re-worked things a bit to avoid globally adding
> libfdt include paths.
> 
> A branch is available here[1], and I plan to put into linux-next in a 
few
> days. Please test! I've compiled on arm, arm64, mips, microblaze, 
xtensa,
> and powerpc and booted on arm and arm64.
I have tested this for PowerPC using a snapshot of libfdt[1] collected 
from
the today (30/04/2014).

The computers used were 32 bit, Freescale and IBM/AMCC CPUs:

        MVME5100 - Motorola/Fresscale CPU - PPCBug firmware
        SAM440EP - IBM/AMCC - U-Boot firmware

Tested-by: Stephen Chivers <schivers@....com>

Stephen Chivers,
CSC Australia Pty. Ltd.

[1] git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git libfdt

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