On Fri, 29 Jan 2021 12:54:04 +0530, Viresh Kumar wrote: > Hi, > > This patchset makes necessary changes to the kernel to add support for > building overlays (%.dtbo) and the required fdtoverlay tool. This also > builds static_test.dtb using most of the existing overlay tests present > in drivers/of/unittest-data/ for better test coverage. > > Note that in order for anyone to test this stuff, you need to manually > run the ./update-dtc-source.sh script once to fetch the necessary > changes from the external DTC project (i.e. fdtoverlay.c and this[1] > patch). > > I have tested this patchset for static and runtime testing (on Hikey > board) and no issues were reported. > > V7: > - Add a comment in scripts/dtc/Makefile > - Add Ack from Masahiro for patch 4/6. > - Drop word "merge" from commit log of 2/6. > - Split apply_static_overlay, static_test.dtb, and static_base.dts into > two parts to handle overlay_base.dts and testcases.dts separately. > > V6: > - Create separate rules for dtbo-s and separate entries in .gitignore in > 4/6 (Masahiro). > - A new file layout for handling all overlays for existing and new tests > 5/6 (Frank). > - Include overlay.dts as well now in 6/6 (Frank). > > V5: > > - Don't reuse DTC_SOURCE for fdtoverlay.c in patch 1/5 (Frank). > > - Update .gitignore and scripts/Makefile.dtbinst, drop dtbo-y syntax and > DTC_FLAGS += -@ in patch 4/5 (Masahiro). > > - Remove the intermediate dtb, rename output to static_test.dtb, don't > use overlay.dtb and overlay_base.dtb for static builds, improved > layout/comments in Makefile for patch 5/5 (Frank). > > -- > Viresh > > [1] https://github.com/dgibson/dtc/commit/163f0469bf2ed8b2fe5aa15bc796b93c70243ddc > [2] https://lore.kernel.org/lkml/74f8aa8f-ffab-3b0f-186f-31fb7395ebbb@xxxxxxxxx/ > > Viresh Kumar (6): > scripts: dtc: Fetch fdtoverlay.c from external DTC project > scripts: dtc: Build fdtoverlay tool > scripts: dtc: Remove the unused fdtdump.c file > kbuild: Add support to build overlays (%.dtbo) > of: unittest: Create overlay_common.dtsi and testcases_common.dtsi > of: unittest: Statically apply overlays using fdtoverlay I've applied the first 4 patches and did a dtc sync after patch 1. Rob
