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Date: Wed, 23 Apr 2014 16:22:25 +0200
From: Michal Simek <monstr@...str.eu>
To: Rob Herring <robherring2@...il.com>
CC: Grant Likely <grant.likely@...aro.org>,
linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
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.com>,
Jonas Bonn <jonas@...thpole.se>,
linux-arm-kernel@...ts.infradead.org, linux-c6x-dev@...ux-c6x.org,
linux@...ts.openrisc.net, linux-metag@...r.kernel.org,
linux-mips@...ux-mips.org, linuxppc-dev@...ts.ozlabs.org,
linux-xtensa@...ux-xtensa.org, Mark Salter <msalter@...hat.com>,
Max Filippov <jcmvbkbc@...il.com>,
Paul Mackerras <paulus@...ba.org>,
Ralf Baechle <ralf@...ux-mips.org>,
Russell King <linux@....linux.org.uk>,
Thomas Gleixner <tglx@...utronix.de>,
Vineet Gupta <vgupta@...opsys.com>, x86@...nel.org
Subject: Re: [PATCH v2 00/21] FDT clean-ups and libfdt support
On 04/23/2014 03:18 AM, Rob Herring wrote:
> 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.
>
> Rob
>
> [1] git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git libfdt
>
> Rob Herring (21):
> mips: octeon: convert to use unflatten_and_copy_device_tree
> mips: lantiq: copy built-in DTB out of init section
> mips: xlp: copy built-in DTB out of init section
> mips: ralink: convert to use unflatten_and_copy_device_tree
> ARM: dt: use default early_init_dt_alloc_memory_arch
> c6x: convert fdt pointers to opaque pointers
> mips: convert fdt pointers to opaque pointers
> of/fdt: consolidate built-in dtb section variables
> of/fdt: remove some unneeded includes
> of/fdt: remove unused of_scan_flat_dt_by_path
> of/fdt: update of_get_flat_dt_prop in prep for libfdt
> of/fdt: Convert FDT functions to use libfdt
> of/fdt: use libfdt accessors for header data
> of/fdt: create common debugfs
> of/fdt: move memreserve and dtb memory reservations into core
> of/fdt: fix phys_addr_t related print size warnings
> of/fdt: introduce of_get_flat_dt_size
> powerpc: use libfdt accessors for header data
> x86: use FDT accessors for FDT blob header data
> of/fdt: convert initial_boot_params to opaque pointer
> of: push struct boot_param_header and defines into powerpc
>
> arch/arc/include/asm/sections.h | 1 -
> arch/arc/kernel/devtree.c | 2 +-
> arch/arm/include/asm/prom.h | 2 -
> arch/arm/kernel/devtree.c | 34 +--
> arch/arm/mach-exynos/exynos.c | 2 +-
> arch/arm/mach-vexpress/platsmp.c | 2 +-
> arch/arm/mm/init.c | 1 -
> arch/arm/plat-samsung/s5p-dev-mfc.c | 4 +-
> arch/arm64/mm/init.c | 21 --
> arch/c6x/kernel/setup.c | 4 +-
> arch/metag/kernel/setup.c | 4 -
> arch/microblaze/kernel/prom.c | 39 +--
> arch/mips/cavium-octeon/setup.c | 20 +-
> arch/mips/include/asm/mips-boards/generic.h | 4 -
> arch/mips/include/asm/prom.h | 6 +-
> arch/mips/kernel/prom.c | 2 +-
> arch/mips/lantiq/prom.c | 15 +-
> arch/mips/lantiq/prom.h | 2 -
> arch/mips/mti-sead3/sead3-setup.c | 8 +-
> arch/mips/netlogic/xlp/dt.c | 19 +-
> arch/mips/ralink/of.c | 29 +-
> arch/openrisc/kernel/vmlinux.h | 2 -
> arch/powerpc/include/asm/prom.h | 39 +++
> arch/powerpc/kernel/Makefile | 1 +
> arch/powerpc/kernel/epapr_paravirt.c | 2 +-
> arch/powerpc/kernel/fadump.c | 4 +-
> arch/powerpc/kernel/prom.c | 78 ++----
> arch/powerpc/kernel/rtas.c | 2 +-
> arch/powerpc/mm/hash_utils_64.c | 22 +-
> arch/powerpc/platforms/52xx/efika.c | 4 +-
> arch/powerpc/platforms/chrp/setup.c | 4 +-
> arch/powerpc/platforms/powernv/opal.c | 12 +-
> arch/powerpc/platforms/pseries/setup.c | 4 +-
> arch/x86/kernel/devicetree.c | 12 +-
> arch/xtensa/kernel/setup.c | 3 +-
> drivers/of/Kconfig | 1 +
> drivers/of/Makefile | 2 +
> drivers/of/fdt.c | 398 ++++++++++------------------
> drivers/of/of_reserved_mem.c | 4 +-
> include/linux/of_fdt.h | 63 +----
> 40 files changed, 280 insertions(+), 598 deletions(-)
>
For Microblaze and generic changes:
Tested-by: Michal Simek <monstr@...str.eu>
Thanks,
Michal
--
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Microblaze cpu - http://www.monstr.eu/fdt/
Maintainer of Linux kernel - Xilinx Zynq ARM architecture
Microblaze U-BOOT custodian and responsible for u-boot arm zynq platform
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