2018-01-18 12:31 GMT+09:00 Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>:
> Kbuild supports 3 levels of extra warnings, and multiple levels can
> be combined, like W=12, W=123. It was added by commit a6de553da01c
> ("kbuild: Allow to combine multiple W= levels").
>
> From the log of commit 8654cb8d0371 ("dtc: update warning settings
> for new bus and node/property name checks"), I assume:
>
> - unit_address_vs_reg, simple_bus_reg, etc. belong to level 1
> - node_name_chars_strict, property_name_chars_strict belong to level 2
>
> However, the level 1 warnings are displayed by any argument to W=.
> On the other hand, the level 2 warnings are displayed by W=2, but
> not by W=12, or W=123.
>
> Use $(findstring ...) like scripts/Makefile.extrawarn.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
> ---
>
Applied to linux-kbuild/kbuild.
--
Best Regards
Masahiro Yamada
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