Re: [meta-freescale] Unable to resolve error when attempting to use a custom device tree

Hello Joe,

On Tue, Apr 16, 2024 at 4:05=E2=80=AFPM JoeB via lists.yoctoproject.org
<[email protected]> wrote:
>
> Yocto Release: Mickledore
>
> I am getting the following error when running "bitbake -c compile virtual=
/kernel" when attempting to add a custom device tree.  I have not been able=
 to figure out what is going on.,
>
> | make[2]: *** No rule to make target 'arch/arm64/boot/dts/freescale/fsl-=
lx2160a-qds.dtbfreescale/lgs-scv4.dtb'.  Stop.
> | make[1]: *** [/work/output/build/tmp/work-shared/lx2160ardb/kernel-sour=
ce/scripts/Makefile.build:500: arch/arm64/boot/dts/freescale] Error 2
> | make: *** [/work/output/build/tmp/work-shared/lx2160ardb/kernel-source/=
Makefile:1471: freescale/fsl-lx2160a-qds.dtbfreescale/lgs-scv4.dtb] Error 2
> | ERROR: oe_runmake failed
> | WARNING: /work/output/build/tmp/work/lx2160ardb-fsl-linux/linux-qoriq/6=
.1.55+gitAUTOINC+770c5fe2c1-r0/temp/run.do_compile.515699:307 exit 1 from '=
exit 1'
> | WARNING: Backtrace (BB generated script):
> |       #1: bbfatal_log, /work/output/build/tmp/work/lx2160ardb-fsl-linux=
/linux-qoriq/6.1.55+gitAUTOINC+770c5fe2c1-r0/temp/run.do_compile.515699, li=
ne 307
> |       #2: die, /work/output/build/tmp/work/lx2160ardb-fsl-linux/linux-q=
oriq/6.1.55+gitAUTOINC+770c5fe2c1-r0/temp/run.do_compile.515699, line 291
> |       #3: oe_runmake, /work/output/build/tmp/work/lx2160ardb-fsl-linux/=
linux-qoriq/6.1.55+gitAUTOINC+770c5fe2c1-r0/temp/run.do_compile.515699, lin=
e 219
> |       #4: do_compile, /work/output/build/tmp/work/lx2160ardb-fsl-linux/=
linux-qoriq/6.1.55+gitAUTOINC+770c5fe2c1-r0/temp/run.do_compile.515699, lin=
e 156
> |       #5: main, /work/output/build/tmp/work/lx2160ardb-fsl-linux/linux-=
qoriq/6.1.55+gitAUTOINC+770c5fe2c1-r0/temp/run.do_compile.515699, line 311
> ERROR: Task (/work/repository/mickledore/meta-qoriq/recipes-kernel/linux/=
linux-qoriq_6.1.bb:do_compile) failed with exit code '1'
>
> The dts that I am adding is installed at:
>
>     /tmp/work/lx2160ardb-fsl-linux/linux-qoriq/6.1.55+gitAUTOINC+770c5fe2=
c1-r0/arch/arm64/boot/dts/freescale/lgs-scv4.dts
>
> In our customer layer I created the following file structure and associat=
ed files:
>
>      recipes-kernel
>       |---   linux
>                 |--   linux-qoriq_%.bbappend
>                 |--  files
>                         |--   lgs-scv4.dts (custom device tree)
>
> My linux-qoriq_%.bbappend contains the following:
>
> KERNEL_DEVICETREE:append =3D "freescale/lgs-scv4.dtb"

The actual mistake is here. `:append` does not add a space, so your
DTB list contains a file that cannot be found. If you change the code
to:
KERNEL_DEVICETREE +=3D "freescale/lgs-scv4.dtb"

then it shall work for you.

See [1] for description of variable expansion.

> FILESEXTRAPATHS:append :=3D "${THISDIR}/files:"
> SRC_URI:append:lx2160ardb =3D " \
>     file://lgs-scv4.dts;subdir=3Darch/${ARCH}/boot/dts/freescale \
>         "
> So it appears that the dts file is getting installed by the above but it =
is not getting compiled into the dtb.  I am not sure what step I am missing=
.
>
>
>
>
>
>
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--=20
Regards,
Andrey.

Link: [1]: https://docs.yoctoproject.org/bitbake/2.6/bitbake-user-manual/bi=
tbake-user-manual-metadata.html#appending-and-prepending-with-spaces