Re: [PATCH v2 1/7] kbuild: Allow DTB overlays to built from .dtso named source files

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On 10/24/22 12:34, Andrew Davis wrote:
> Currently DTB Overlays (.dtbo) are build from source files with the same
> extension (.dts) as the base DTs (.dtb). This may become confusing and
> even lead to wrong results. For example, a composite DTB (created from a
> base DTB and a set of overlays) might have the same name as one of the
> overlays that create it.
> 
> Different files should be generated from differently named sources.
>  .dtb  <-> .dts
>  .dtbo <-> .dtso
> 
> We do not remove the ability to compile DTBO files from .dts files here,
> only add a new rule allowing the .dtso file name. The current .dts named
> overlays can be renamed with time. After all have been renamed we can
> remove the other rule.
> 
> Signed-off-by: Andrew Davis <afd@xxxxxx>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> Tested-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> ---

Reviewed-by: Frank Rowand <frowand.list@xxxxxxxxx>
Tested-by: Frank Rowand <frowand.list@xxxxxxxxx>

-Frank


>  scripts/Makefile.lib | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
> index 3aa384cec76b8..0376a6f18bfb1 100644
> --- a/scripts/Makefile.lib
> +++ b/scripts/Makefile.lib
> @@ -408,6 +408,9 @@ $(obj)/%.dtb: $(src)/%.dts $(DTC) $(DT_TMP_SCHEMA) FORCE
>  $(obj)/%.dtbo: $(src)/%.dts $(DTC) FORCE
>  	$(call if_changed_dep,dtc)
>  
> +$(obj)/%.dtbo: $(src)/%.dtso $(DTC) FORCE
> +	$(call if_changed_dep,dtc)
> +
>  dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp)
>  
>  # Bzip2




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