Re: [PATCH V11 3/5] kbuild: Allow .dtso format for overlay source files

From: Viresh Kumar
Date: Thu Mar 11 2021 - 23:48:26 EST


On 10-03-21, 20:24, Masahiro Yamada wrote:
> Even without "-I dts",
>
> inform = guess_input_format(arg, "dts");
>
> seems to fall back to "dts" anyway,
> but I guess you wanted to make this explicit, correct?


> > +# Required for of unit-test files as they can't be renamed to .dtso
>
> If you go with *.dtso, I think you will rename
> all *.dts under the drivers/ directory.
>
> What is blocking you from making this consistent?

What about this patch instead ? This localizes the dts->dtbo hack to
unitest's Makefile at least.

diff --git a/drivers/of/unittest-data/Makefile b/drivers/of/unittest-data/Makefile
index a5d2d9254b2c..9f3426ec3fab 100644
--- a/drivers/of/unittest-data/Makefile
+++ b/drivers/of/unittest-data/Makefile
@@ -86,3 +86,7 @@ static_test_1-dtbs := static_base_1.dtb $(apply_static_overlay_1)
static_test_2-dtbs := static_base_2.dtb $(apply_static_overlay_2)

dtb-$(CONFIG_OF_OVERLAY) += static_test_1.dtb static_test_2.dtb
+
+# Required for of unittest files as they can't be renamed to .dtso
+$(obj)/%.dtbo: $(src)/%.dts $(DTC) FORCE
+ $(call if_changed_dep,dtc)
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index bc045a54a34e..77a9be055e51 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -347,7 +347,7 @@ cmd_dtc = $(HOSTCC) -E $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ;
$(obj)/%.dtb: $(src)/%.dts $(DTC) FORCE
$(call if_changed_dep,dtc)

-$(obj)/%.dtbo: $(src)/%.dts $(DTC) FORCE
+$(obj)/%.dtbo: $(src)/%.dtso $(DTC) FORCE
$(call if_changed_dep,dtc)

overlay-y := $(addprefix $(obj)/, $(overlay-y))
@@ -375,6 +375,9 @@ endef
$(obj)/%.dt.yaml: $(src)/%.dts $(DTC) $(DT_TMP_SCHEMA) FORCE
$(call if_changed_rule,dtc,yaml)

+$(obj)/%.dt.yaml: $(src)/%.dtso $(DTC) $(DT_TMP_SCHEMA) FORCE
+ $(call if_changed_rule,dtc,yaml)
+
dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp)

# Bzip2

--
viresh