[cocci] Searching for unused input parameters with SmPL?

Hello,

It can happen that input parameters would not be used within a function
(or macro) implementation.
https://stackoverflow.com/questions/3599160/how-can-i-suppress-unused-parameter-warnings-in-c
https://clang.llvm.org/extra/clang-tidy/checks/misc/unused-parameters.html

Can components of the Coccinelle software help any more to detect such
technical details?

Regards,
Markus