Re: [PATCH v2] kbuild: allow validating individual dtb files against schema

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Sat, 16 Jul 2022 at 12:38, Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote:
>
> On Wed, Jul 6, 2022 at 8:44 PM Dmitry Baryshkov
> <dmitry.baryshkov@xxxxxxxxxx> wrote:
> >
> > While it is possible to validate all generated dtb files against the
> > schema, it typically results in huge pile of warnings. While working on
> > a platform it is quite useful to validate just a single file against
> > schema.
> >
> > Allow specifying CHECK_DTBS=1 on a make command line to enable
> > validation while building dtb files. This reuses the infrastructure
> > existing for `make dtbs_check`, making dtbs_check a shortcut for
> > `make CHECK_DTBS=1 dt_binding_check dtbs`.
> >
> > Cc: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> > Cc: Tom Rini <trini@xxxxxxxxxxxx>
> > Cc: Masahiro Yamada <masahiroy@xxxxxxxxxx>
> > Cc: linux-kbuild@xxxxxxxxxxxxxxx
> > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> > ---
> >
> > Changes since v1:
> > - Added dependency to rebuild schema if `make dtbs` was used.
> >
> > ---
> >  Makefile | 20 +++++++++++++++-----
> >  1 file changed, 15 insertions(+), 5 deletions(-)
> >
> > diff --git a/Makefile b/Makefile
> > index 9aa7de1ca58f..5a9858aa4934 100644
> > --- a/Makefile
> > +++ b/Makefile
> > @@ -1464,14 +1464,18 @@ endif
> >
> >  ifneq ($(dtstree),)
> >
> > -%.dtb: include/config/kernel.release scripts_dtc
> > +ifneq ($(CHECK_DTBS),)
> > +DT_TMP_BINDING := dt_binding
> > +endif
> > +
> > +%.dtb: include/config/kernel.release scripts_dtc $(DT_TMP_BINDING)
> >         $(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@
> >
> > -%.dtbo: include/config/kernel.release scripts_dtc
> > +%.dtbo: include/config/kernel.release scripts_dtc $(DT_TMP_BINDING)
> >         $(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@
> >
> >  PHONY += dtbs dtbs_install dtbs_check
> > -dtbs: include/config/kernel.release scripts_dtc
> > +dtbs: include/config/kernel.release scripts_dtc $(DT_TMP_BINDING)
> >         $(Q)$(MAKE) $(build)=$(dtstree)
> >
> >  ifneq ($(filter dtbs_check, $(MAKECMDGOALS)),)
> > @@ -1498,8 +1502,10 @@ ifneq ($(filter dt_binding_check, $(MAKECMDGOALS)),)
> >  export CHECK_DT_BINDING=y
> >  endif
> >
> > -PHONY += dt_binding_check
> > -dt_binding_check: scripts_dtc
> > +dt_binding_check: dt_binding
> > +
> > +PHONY += dt_binding
> > +dt_binding: scripts_dtc
> >         $(Q)$(MAKE) $(build)=Documentation/devicetree/bindings
> >
> >  # ---------------------------------------------------------------------------
> > @@ -1774,6 +1780,10 @@ help:
> >         @echo  '                3: more obscure warnings, can most likely be ignored'
> >         @echo  '                e: warnings are being treated as errors'
> >         @echo  '                Multiple levels can be combined with W=12 or W=123'
> > +       @$(if $(dtstree), \
> > +               echo '  make CHECK_DTBS=1 [targets] Check all generated dtb files against schema'; \
> > +               echo '         This can be applied both to "dtbs" and to individual "foo.dtb" targets' ; \
> > +               )
> >         @echo  ''
> >         @echo  'Execute "make" or "make all" to build all targets marked with [*] '
> >         @echo  'For further info see the ./README file'
> > --
> > 2.35.1
> >
>
>
> I think the idea seems OK to me, but we can make it simpler.
>
>
> First, apply the following clean-up patch to reduce the code duplication.
> https://lore.kernel.org/all/20220716093122.137494-1-masahiroy@xxxxxxxxxx/T/#u
>
>
> Then, apply the attached patch.diff
>
> Please try it.

Please excuse me, it took me a bit to get back to the issue and test your patch.
It works like a charm, feel free to add while posting it:

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>

--
With best wishes
Dmitry



[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [Linux for Sparc]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux