linux-kernel - [PATCH v2 1/3] dt-bindings: kbuild: Simplify examples target patsubst

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Message-Id: <20240405-dt-kbuild-rework-v2-1-3a035caee357@kernel.org>
Date: Fri, 05 Apr 2024 17:56:01 -0500
From: Rob Herring <robh@...nel.org>
To: Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>, Masahiro Yamada <masahiroy@...nel.org>, 
 Nathan Chancellor <nathan@...nel.org>, Nicolas Schier <nicolas@...sle.eu>
Cc: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>, 
 Marijn Suijten <marijn.suijten@...ainline.org>, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-kbuild@...r.kernel.org
Subject: [PATCH v2 1/3] dt-bindings: kbuild: Simplify examples target
 patsubst

Instead of stripping off the $(srctree) multiple times do it once up
front, but keep the src/obj path as it is going to be needed in
subsequent commit.

Rename the variable to CHK_DT_EXAMPLES to better reflect what it
contains.

Signed-off-by: Rob Herring <robh@...nel.org>
---
v2: New patch
---
 Documentation/devicetree/bindings/Makefile | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/Makefile b/Documentation/devicetree/bindings/Makefile
index 5e08e3a6a97b..95f1436ebcd0 100644
--- a/Documentation/devicetree/bindings/Makefile
+++ b/Documentation/devicetree/bindings/Makefile
@@ -32,7 +32,7 @@ find_cmd = $(find_all_cmd) | \
 		sed 's|^$(srctree)/||' | \
 		grep -F -e "$(subst :," -e ",$(DT_SCHEMA_FILES))" | \
 		sed 's|^|$(srctree)/|'
-CHK_DT_DOCS := $(shell $(find_cmd))
+CHK_DT_EXAMPLES := $(patsubst $(srctree)/%.yaml,%.example.dtb, $(shell $(find_cmd)))
 
 quiet_cmd_yamllint = LINT    $(src)
       cmd_yamllint = ($(find_cmd) | \
@@ -68,8 +68,8 @@ $(obj)/processed-schema.json: $(DT_DOCS) $(src)/.yamllint check_dtschema_version
 	$(call if_changed_rule,chkdt)
 
 always-y += processed-schema.json
-always-$(CHECK_DT_BINDING) += $(patsubst $(srctree)/$(src)/%.yaml,%.example.dts, $(CHK_DT_DOCS))
-always-$(CHECK_DT_BINDING) += $(patsubst $(srctree)/$(src)/%.yaml,%.example.dtb, $(CHK_DT_DOCS))
+always-$(CHECK_DT_BINDING) += $(patsubst $(obj)/%,%, $(CHK_DT_EXAMPLES))
+always-$(CHECK_DT_BINDING) += $(patsubst $(obj)/%.dtb,%.dts, $(CHK_DT_EXAMPLES))
 
 # Hack: avoid 'Argument list too long' error for 'make clean'. Remove most of
 # build artifacts here before they are processed by scripts/Makefile.clean

-- 
2.43.0