On 04/23/2014 03:18 AM, Rob Herring wrote: > From: Rob Herring <robh@xxxxxxxxxx> > > 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@xxxxxxxxx> 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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