Re: [PATCH v5] checkpatch: introduce proper bindings license check

[Rob Herring]

On Tue, Apr 4, 2023 at 2:17 PM Dmitry Rokosov <ddrokosov@xxxxxxxxxxxxxx> wrote:
>
> All headers from 'include/dt-bindings/' must be verified by checkpatch
> together with Documentation bindings, because all of them are part of
> the whole DT bindings system.
>
> The requirement is dual licensed and matching patterns:
> * Schemas:
>     /GPL-2\.0(?:-only)? OR BSD-2-Clause/
> * Headers:
>     /GPL-2\.0(?:-only)? OR \S+/
>
> Above patterns suggested by Rob at:
> https://lore.kernel.org/all/CAL_Jsq+-YJsBO+LuPJ=ZQ=eb-monrwzuCppvReH+af7hYZzNaQ@xxxxxxxxxxxxxx
>
> The issue was found during patch review:
> https://lore.kernel.org/all/20230313201259.19998-4-ddrokosov@xxxxxxxxxxxxxx/
>
> Signed-off-by: Dmitry Rokosov <ddrokosov@xxxxxxxxxxxxxx>
> ---
> Changes v5 since v4 at [4]:
>     - only capital OR is acceptable for SPDX per Rob's suggestion
>
> Changes v4 since v3 at [3]:
>     - introduce separate pattern for dt-bindings headers following Rob's
>       suggestion
>
> Changes v3 since v2 at [2]:
>     - replace 'not =~' expression with '!~' to be aligned with other
>       checkpatch lines
>
> Changes v2 since v1 at [1]:
>     - include/dt-bindings check is aligned to open parens
>     - introduce more strict pattern for bindings license:
>       /GPL-2\.0(?:-only|-or-later|\+)? (?:OR|or) BSD-2-Clause/
>
> Links:
>     [1] https://lore.kernel.org/all/20230317201621.15518-1-ddrokosov@xxxxxxxxxxxxxx/
>     [2] https://lore.kernel.org/all/20230320100027.27788-1-ddrokosov@xxxxxxxxxxxxxx/
>     [3] https://lore.kernel.org/all/20230320203350.13696-1-ddrokosov@xxxxxxxxxxxxxx/
>     [4] https://lore.kernel.org/all/20230331121017.14324-1-ddrokosov@xxxxxxxxxxxxxx/
> ---
>  scripts/checkpatch.pl | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)

Reviewed-by: Rob Herring <robh@xxxxxxxxxx>