On Tue, Oct 15, 2024 at 4:01 PM Chris Packham <Chris.Packham@xxxxxxxxxxxxxxxxxxx> wrote: > > > On 16/10/24 09:16, Chris Packham wrote: > > (resend without HTML part) > > > > Hi, > > > > I just noticed with the latest 6.12-rc I'm no longer able to build an > > out of tree dtb by just copying it into arch/$ARCH/boot/dts (at least > > for ARCH=mips and ARCH=arm64) and running `make my-board.dtb`. I > > believe buildroot relies on this as well[1]. > > A simple repro is > > make ARCH=arm mvebu_v7_defconfig > cp arch/arm/boot/dts/marvell/armada-385-db-ap.dts > arch/arm/boot/dts/myboard.dts > make ARCH=arm myboard.dtb > > > > > Is this an intentional change? Is it too late to undo it (or provide > > an alternative way of having out of tree dts that make use of in-tree > > dtsi). > Looks like this is caused by commit e7e2941300d2 ("kbuild: split device > tree build rules into scripts/Makefile.dtbs"). The conditional include > of Makefile.dtbs isn't satisfied when building an out of tree dtb. News to me that used to work. That's not supported behavior. Only targets listed in 'dtbs-' are supported. Rob