From: Rob Herring <robh@kernel.org>
To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Masahiro Yamada <masahiroy@kernel.org>,
DTML <devicetree@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Michal Marek <michal.lkml@markovi.net>,
Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>
Subject: Re: [PATCH v2 1/2] kbuild: Always validate DT binding examples
Date: Tue, 21 Apr 2020 09:01:32 -0500 [thread overview]
Message-ID: <CAL_JsqJQpwN4tH0KWOB1s6NWf3sRqqGRsRiKazi=CJGCwb2T+Q@mail.gmail.com> (raw)
In-Reply-To: <20200421134654.GD5983@pendragon.ideasonboard.com>
On Tue, Apr 21, 2020 at 8:47 AM Laurent Pinchart
<laurent.pinchart@ideasonboard.com> wrote:
>
> Hi Yamada-san,
>
> On Tue, Apr 21, 2020 at 10:15:02PM +0900, Masahiro Yamada wrote:
> > On Tue, Apr 21, 2020 at 8:05 PM Laurent Pinchart wrote:
> > > On Tue, Apr 21, 2020 at 07:45:05PM +0900, Masahiro Yamada wrote:
> > > > On Tue, Apr 21, 2020 at 7:08 PM Laurent Pinchart wrote:
> > > > > On Fri, Feb 28, 2020 at 06:37:30PM -0600, Rob Herring 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.
> > > > >
> > > > > This broke
> > > > >
> > > > > make DT_SCHEMA_FILES=Documentation/devicetree/.. dt_binding_check
> > > >
> > > > What is intended by
> > > > "DT_SCHEMA_FILES=Documentation/devicetree/.." ?
> > >
> > > My bad, I forgot to write that ... is the continuation of the string.
> > > It's any yaml schema file that has an example.
> >
> > Ah, OK. I just input verbatim.
> >
> > Is it broken?
> >
> > You can specify any individual file(s) under Documentation/devicetree/bindings/.
> >
> > For example, the following worked for me.
> >
> > $ make DT_SCHEMA_FILES=Documentation/devicetree/bindings/arm/psci.yaml
> > dt_binding_check
> > HOSTCC scripts/basic/fixdep
> > HOSTCC scripts/dtc/dtc.o
> > HOSTCC scripts/dtc/flattree.o
> > HOSTCC scripts/dtc/fstree.o
> > HOSTCC scripts/dtc/data.o
> > HOSTCC scripts/dtc/livetree.o
> > HOSTCC scripts/dtc/treesource.o
> > HOSTCC scripts/dtc/srcpos.o
> > HOSTCC scripts/dtc/checks.o
> > HOSTCC scripts/dtc/util.o
> > LEX scripts/dtc/dtc-lexer.lex.c
> > YACC scripts/dtc/dtc-parser.tab.[ch]
> > HOSTCC scripts/dtc/dtc-lexer.lex.o
> > HOSTCC scripts/dtc/dtc-parser.tab.o
> > HOSTCC scripts/dtc/yamltree.o
> > HOSTLD scripts/dtc/dtc
> > CHKDT Documentation/devicetree/bindings/arm/psci.yaml
> > SCHEMA Documentation/devicetree/bindings/processed-schema-examples.yaml
> > DTC Documentation/devicetree/bindings/arm/psci.example.dt.yaml
> > CHECK Documentation/devicetree/bindings/arm/psci.example.dt.yaml
> > SCHEMA Documentation/devicetree/bindings/processed-schema.yaml
>
> This is getting interesting.
>
> ~/src/kernel/linux $ make O=output/x86 DT_SCHEMA_FILES=Documentation/devicetree/bindings/arm/psci.yaml dt_binding_check
> make[1]: Entering directory '/home/laurent/src/kernel/linux/output/x86'
> HOSTCC scripts/basic/fixdep
> HOSTCC scripts/dtc/dtc.o
> HOSTCC scripts/dtc/flattree.o
> HOSTCC scripts/dtc/fstree.o
> HOSTCC scripts/dtc/data.o
> HOSTCC scripts/dtc/livetree.o
> HOSTCC scripts/dtc/treesource.o
> HOSTCC scripts/dtc/srcpos.o
> HOSTCC scripts/dtc/checks.o
> HOSTCC scripts/dtc/util.o
> LEX scripts/dtc/dtc-lexer.lex.c
> YACC scripts/dtc/dtc-parser.tab.[ch]
> HOSTCC scripts/dtc/dtc-lexer.lex.o
> HOSTCC scripts/dtc/dtc-parser.tab.o
> HOSTCC scripts/dtc/yamltree.o
> HOSTLD scripts/dtc/dtc
> CHKDT Documentation/devicetree/bindings/arm/psci.yaml
> SCHEMA Documentation/devicetree/bindings/processed-schema-examples.yaml
> DTC Documentation/devicetree/bindings/arm/psci.example.dt.yaml
> CHECK Documentation/devicetree/bindings/arm/psci.example.dt.yaml
> SCHEMA Documentation/devicetree/bindings/processed-schema.yaml
> make[1]: Leaving directory '/home/laurent/src/kernel/linux/output/x86'
>
> ~/src/kernel/this_is_a_long_directory_name/linux $ make O=output/x86 DT_SCHEMA_FILES=Documentation/devicetree/bindings/arm/psci.yaml dt_binding_check
> make[1]: Entering directory '/home/laurent/src/kernel/this_is_a_long_directory_name/linux/output/x86'
> HOSTCC scripts/basic/fixdep
> HOSTCC scripts/dtc/dtc.o
> HOSTCC scripts/dtc/flattree.o
> HOSTCC scripts/dtc/fstree.o
> HOSTCC scripts/dtc/data.o
> HOSTCC scripts/dtc/livetree.o
> HOSTCC scripts/dtc/treesource.o
> HOSTCC scripts/dtc/srcpos.o
> HOSTCC scripts/dtc/checks.o
> HOSTCC scripts/dtc/util.o
> LEX scripts/dtc/dtc-lexer.lex.c
> YACC scripts/dtc/dtc-parser.tab.[ch]
> HOSTCC scripts/dtc/dtc-lexer.lex.o
> HOSTCC scripts/dtc/dtc-parser.tab.o
> HOSTCC scripts/dtc/yamltree.o
> HOSTLD scripts/dtc/dtc
> CHKDT Documentation/devicetree/bindings/arm/psci.yaml
> make[2]: execvp: /bin/sh: Argument list too long
> make[2]: *** [/home/laurent/src/kernel/this_is_a_long_directory_name/linux/Documentation/devicetree/bindings/Makefile:38: Documentation/devicetree/bindings/processed-schema-examples.yaml] Error 127
> make[1]: *** [/home/laurent/src/kernel/this_is_a_long_directory_name/linux/Makefile:1300: dt_binding_check] Error 2
> make[1]: Leaving directory '/home/laurent/src/kernel/this_is_a_long_directory_name/linux/output/x86'
> make: *** [Makefile:180: sub-make] Error 2
>
> It seems to only fail with out of tree builds (O=...). I expect that
> failures will become more common the more YAML bindings we have, even
> without long directory names.
dt-mk-schema can take and recurse a single directory already, so does
this fix it for you:
@@ -22,7 +22,7 @@ $(obj)/%.example.dts: $(src)/%.yaml
check_dtschema_version FORCE
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)
+ cmd_mk_schema = $(DT_MK_SCHEMA) $(DT_MK_SCHEMA_FLAGS) -o $@
$(srctree)/$(src)
DT_DOCS = $(addprefix $(src)/, \
$(shell \
next prev parent reply other threads:[~2020-04-21 14:01 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-29 0:37 [PATCH v2 1/2] kbuild: Always validate DT binding examples Rob Herring
2020-02-29 0:37 ` [PATCH v2 2/2] kbuild: Build DT binding examples with dtc warnings enabled Rob Herring
2020-02-29 4:25 ` [PATCH v2 1/2] kbuild: Always validate DT binding examples Masahiro Yamada
2020-03-02 16:06 ` Rob Herring
2020-03-03 13:45 ` Masahiro Yamada
2020-04-21 10:07 ` Laurent Pinchart
2020-04-21 10:45 ` Masahiro Yamada
2020-04-21 11:05 ` Laurent Pinchart
2020-04-21 13:15 ` Masahiro Yamada
2020-04-21 13:46 ` Laurent Pinchart
2020-04-21 14:01 ` Rob Herring [this message]
2020-04-21 16:56 ` Masahiro Yamada
2020-04-21 19:31 ` Rob Herring
2020-04-21 20:40 ` Rob Herring
2020-04-21 18:29 ` Laurent Pinchart
2020-04-21 17:36 ` Masahiro Yamada
2020-04-21 13:47 ` Rob Herring
2020-04-21 17:31 ` Masahiro Yamada
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='CAL_JsqJQpwN4tH0KWOB1s6NWf3sRqqGRsRiKazi=CJGCwb2T+Q@mail.gmail.com' \
--to=robh@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=laurent.pinchart@ideasonboard.com \
--cc=linux-kbuild@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=masahiroy@kernel.org \
--cc=michal.lkml@markovi.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.