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Message-ID: <CAK7LNAQUbfVvYYSuMNnB2OyNbuYZkzY0gsKRybe-0P9GuYZN2w@mail.gmail.com>
Date: Sat, 29 Feb 2020 13:25:15 +0900
From: Masahiro Yamada <masahiroy@...nel.org>
To: Rob Herring <robh@...nel.org>
Cc: DTML <devicetree@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Michal Marek <michal.lkml@...kovi.net>,
Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>
Subject: Re: [PATCH v2 1/2] kbuild: Always validate DT binding examples
Hi Rob,
On Sat, Feb 29, 2020 at 9:37 AM Rob Herring <robh@...nel.org> wrote:
>
> Most folks only run dt_binding_check on the single schema they care about
> by setting DT_SCHEMA_FILES. That means example is only checked against
> that one schema which is not always sufficient.
>
> Let's address this by splitting processed-schema.yaml into 2 files: one
> that's always all schemas for the examples and one that's just the schema
> in DT_SCHEMA_FILES for dtbs.
>
> Cc: Michal Marek <michal.lkml@...kovi.net>
> Cc: linux-kbuild@...r.kernel.org
> Co-developed-by: Masahiro Yamada <masahiroy@...nel.org>
> Signed-off-by: Rob Herring <robh@...nel.org>
> ---
> Masahiro, given you pretty much re-wrote this, I added you as
> Co-developed-by.
I can apply both to my kbuild tree.
Or, if you want to apply them to your tree,
please add my
Acked-by: Masahiro Yamada <masahiroy@...nel.org>
Either way is fine.
Thanks.
>
> Based on next/master
>
> Documentation/devicetree/bindings/.gitignore | 2 +-
> Documentation/devicetree/bindings/Makefile | 22 +++++++++++++-------
> scripts/Makefile.lib | 3 ++-
> 3 files changed, 17 insertions(+), 10 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/.gitignore b/Documentation/devicetree/bindings/.gitignore
> index ef82fcfcccab..57afa1533a5f 100644
> --- a/Documentation/devicetree/bindings/.gitignore
> +++ b/Documentation/devicetree/bindings/.gitignore
> @@ -1,2 +1,2 @@
> *.example.dts
> -processed-schema.yaml
> +processed-schema*.yaml
> diff --git a/Documentation/devicetree/bindings/Makefile b/Documentation/devicetree/bindings/Makefile
> index 646cb3525373..7c40d5ba1b51 100644
> --- a/Documentation/devicetree/bindings/Makefile
> +++ b/Documentation/devicetree/bindings/Makefile
> @@ -2,7 +2,6 @@
> DT_DOC_CHECKER ?= dt-doc-validate
> DT_EXTRACT_EX ?= dt-extract-example
> DT_MK_SCHEMA ?= dt-mk-schema
> -DT_MK_SCHEMA_FLAGS := $(if $(DT_SCHEMA_FILES), -u)
>
> quiet_cmd_chk_binding = CHKDT $(patsubst $(srctree)/%,%,$<)
> cmd_chk_binding = $(DT_DOC_CHECKER) -u $(srctree)/$(src) $< ; \
> @@ -11,26 +10,33 @@ quiet_cmd_chk_binding = CHKDT $(patsubst $(srctree)/%,%,$<)
> $(obj)/%.example.dts: $(src)/%.yaml FORCE
> $(call if_changed,chk_binding)
>
> -DT_TMP_SCHEMA := processed-schema.yaml
> +# Use full schemas when checking %.example.dts
> +DT_TMP_SCHEMA := $(obj)/processed-schema-examples.yaml
>
> quiet_cmd_mk_schema = SCHEMA $@
> cmd_mk_schema = $(DT_MK_SCHEMA) $(DT_MK_SCHEMA_FLAGS) -o $@ $(real-prereqs)
>
> -DT_DOCS = $(shell \
> +DT_DOCS = $(addprefix $(src)/, \
> + $(shell \
> cd $(srctree)/$(src) && \
> find * \( -name '*.yaml' ! \
> - -name $(DT_TMP_SCHEMA) ! \
> + -name 'processed-schema*' ! \
> -name '*.example.dt.yaml' \) \
> - )
> + ))
>
> -DT_SCHEMA_FILES ?= $(addprefix $(src)/,$(DT_DOCS))
> +DT_SCHEMA_FILES ?= $(DT_DOCS)
>
> ifeq ($(CHECK_DTBS),)
> extra-y += $(patsubst $(src)/%.yaml,%.example.dts, $(DT_SCHEMA_FILES))
> extra-y += $(patsubst $(src)/%.yaml,%.example.dt.yaml, $(DT_SCHEMA_FILES))
> +extra-y += processed-schema-examples.yaml
> +
> +$(obj)/processed-schema-examples.yaml: $(DT_DOCS) FORCE
> + $(call if_changed,mk_schema)
> endif
>
> -$(obj)/$(DT_TMP_SCHEMA): $(DT_SCHEMA_FILES) FORCE
> +$(obj)/processed-schema.yaml: DT_MK_SCHEMA_FLAGS := -u
> +$(obj)/processed-schema.yaml: $(DT_SCHEMA_FILES) FORCE
> $(call if_changed,mk_schema)
>
> -extra-y += $(DT_TMP_SCHEMA)
> +extra-y += processed-schema.yaml
> diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
> index f5ff506e4a24..b12dd5ba4896 100644
> --- a/scripts/Makefile.lib
> +++ b/scripts/Makefile.lib
> @@ -307,7 +307,8 @@ $(obj)/%.dtb: $(src)/%.dts $(DTC) FORCE
>
> DT_CHECKER ?= dt-validate
> DT_BINDING_DIR := Documentation/devicetree/bindings
> -DT_TMP_SCHEMA := $(objtree)/$(DT_BINDING_DIR)/processed-schema.yaml
> +# DT_TMP_SCHEMA may be overridden from Documentation/devicetree/bindings/Makefile
> +DT_TMP_SCHEMA ?= $(objtree)/$(DT_BINDING_DIR)/processed-schema.yaml
>
> quiet_cmd_dtb_check = CHECK $@
> cmd_dtb_check = $(DT_CHECKER) -u $(srctree)/$(DT_BINDING_DIR) -p $(DT_TMP_SCHEMA) $@
> --
> 2.20.1
>
--
Best Regards
Masahiro Yamada
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