[PATCH v3 00/18] Apply device tree overlays to kernel tree

[Sascha Hauer <s.hauer@pengutronix.de>]

Third round. This time I implemented the filepattern and compatible
matching as an extensible list of filters.

Changes since v2:

- rename globalvars, use dots instead of underscores
- Add filter mechanism to allow to add board or SoC specific filters

Changes since v1:

- Do not (re-)load firmware on each of_fix_tree()
- handle empty strings returned from strsep gracefully
- Drop -S option from of_overlay command instead of ignoring it

Sascha Hauer (18):
  of: of_copy_node(): Copy phandles as well
  of: Add function to duplicate a device tree
  fdt: Check blob size during unflattening
  firmware: make device_node argument non const
  libbb: Add find_path function
  firmware: consolidate ifdefs
  firmware: Add search path
  firmware: Fix device_node matching
  firmware: recognize by reproducible name
  blspec: Set firmware searchpath
  overlay: Add of_overlay_apply_file()
  firmware: Load from global search path
  blspec: Rework firmware load
  overlay: Add filters to choose which overlays to apply
  blspec: Apply overlays from rootfs
  doc: devicetree: Refer to internal device tree also as live tree
  Documentation: Add documentation for device tree overlays
  of_firmware: Fix handling of firmware-name property

 Documentation/user/devicetree.rst         |  45 ++-
 arch/arm/boards/qemu-virt/board.c         |   4 +-
 arch/arm/boards/raspberry-pi/rpi-common.c |   2 +-
 arch/arm/boards/webasto-ccbv2/board.c     |   2 +-
 arch/arm/lib32/bootm.c                    |   6 +-
 arch/arm/lib32/bootu.c                    |   5 +-
 arch/arm/lib32/bootz.c                    |   3 +
 arch/arm/lib64/armlinux.c                 |   4 +
 arch/kvx/lib/bootm.c                      |   6 +
 arch/mips/lib/bootm.c                     |   4 +
 arch/powerpc/lib/ppclinux.c               |   4 +
 arch/riscv/lib/bootm.c                    |   5 +
 commands/of_diff.c                        |   6 +-
 commands/of_display_timings.c             |   2 +-
 commands/of_dump.c                        |   4 +-
 commands/of_overlay.c                     |  34 +--
 commands/oftree.c                         |   2 +-
 common/blspec.c                           |  99 +++---
 common/bootm.c                            |   4 +-
 common/efi/efi.c                          |   2 +-
 common/firmware.c                         |  59 +++-
 common/image-fit.c                        |   2 +-
 common/oftree.c                           |   4 +-
 common/state/backend_format_dtb.c         |   2 +-
 drivers/firmware/altera_serial.c          |   1 +
 drivers/firmware/socfpga.c                |   2 +
 drivers/firmware/zynqmp-fpga.c            |   2 +
 drivers/of/base.c                         |   8 +-
 drivers/of/fdt.c                          |  17 +-
 drivers/of/of_firmware.c                  | 137 ++++++---
 drivers/of/overlay.c                      | 355 ++++++++++++++++++++++
 include/firmware.h                        |  26 +-
 include/libbb.h                           |   4 +-
 include/of.h                              |  43 ++-
 lib/libbb.c                               |  58 ++--
 35 files changed, 765 insertions(+), 198 deletions(-)

-- 
2.29.2


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