Hi Alexandre! alexandre.torgue@xxxxxx wrote: > >The goal of this series is to add device tree build information in dtb. >This information can be dtb build date, where devicetree files come from, >who built the dtb ... Actually, same kind of information that you can find >in the Linux banner which is printout during kernel boot. Having the same >kind of information for device tree is useful for debugging and maintenance. > >To achieve that a new option "-B" (using an argument) is added to dtc. >The argument is a file containing a string with build information >(e.g., From Linux 5.5.0-rc1 by alex the Mon Jan 13 18:25:38 CET 2020). >DTC use it to append dts file with a new string property "Build-info". > >of/fdt.c is modified to printout "Build-info" property during Kernel boot and >scripts/Makefile.lib is modified to use dtc -B option during kernel make (this >last part could be improved for sure). > >Regards >Alex > >Alexandre Torgue (3): > dtc: Add dtb build information option > of: fdt: print dtb build information > scripts: Use -B dtc option to generate dtb build information. > > drivers/of/fdt.c | 9 +++++++ > scripts/Makefile.lib | 11 +++++--- > scripts/dtc/dtc.c | 55 +++++++++++++++++++++++++++++++++----- > scripts/gen_dtb_build_info | 11 ++++++++ > 4 files changed, 76 insertions(+), 10 deletions(-) > create mode 100755 scripts/gen_dtb_build_info Looks good to me in testing here: [ 0.000000] OF: fdt: From Linux 5.5.0-rc6-00031-g95e20af9fb9c-dirty by stemci01 the Wed 15 Jan 14:33:25 GMT 2020. Tested-By: Steve McIntyre <steve.mcintyre@xxxxxxxxxx> -- Steve McIntyre steve.mcintyre@xxxxxxxxxx <http://www.linaro.org/> Linaro.org | Open source software for ARM SoCs
