On 6/1/22 00:27, Bagas Sanjaya wrote: >> One note (nit) below: >> >>> drivers/hid/hid-uclogic-params.c | 24 ++++++++++++++---------- >>> 1 file changed, 14 insertions(+), 10 deletions(-) >>> >>> diff --git a/drivers/hid/hid-uclogic-params.c b/drivers/hid/hid-uclogic-params.c >>> index db838f16282d64..647bbd3e000e2f 100644 >>> --- a/drivers/hid/hid-uclogic-params.c >>> +++ b/drivers/hid/hid-uclogic-params.c >>> @@ -23,11 +23,11 @@ >>> /** >>> * uclogic_params_pen_inrange_to_str() - Convert a pen in-range reporting type >>> * to a string. >>> - * >>> * @inrange: The in-range reporting type to convert. >>> * >>> - * Returns: >>> - * The string representing the type, or NULL if the type is unknown. >>> + * Return: >>> + * * The string representing the type, or >>> + * * NULL if the type is unknown. >> >> %NULL >> would be better here, but not required. >> > > Hi Randy, > > I don't see %NULL in Documentation/ (I git-grep-ed it but none found). > What should I do when I have to explain NULL in Return: section of > kernel-doc comment? In Documentation/doc-guide/kernel-doc.rst, section Highlights and cross-references: ``%CONST`` Name of a constant. (No cross-referencing, just formatting.) So '%' before a constant value just helps with the generated formatting of the output. It's just "prettier." No big deal. -- ~Randy