It will warn, if warning levels is set correctly. I will do not remove it.https://stackoverflow.com/questions/3599160/how-can-i-suppress-unused-parame... for "top-post" i am using an e-mail servicer which is not prepared to following the 1990s styles which is need for Linux and U-boot developing processes still in 2023. Probably, It would be time to improve the communication platform as well, and it would be better to use GitLab or GitHub PRs.-------- Eredeti levél --------Feladó: Fabio Estevam festevam@gmail.comDátum: 2023 november 19 22:28:31Tárgy: Re: [PATCH 1/1] pico-imx7d: add baseboard SD card boot detectCímzett: Szőke Kálmán Benjamin egyszeregy@freemail.huHi Benjamin, [Please do not top-post] On Sun, Nov 19, 2023 at 6:08 PM Szőke Kálmán Benjamin egyszeregy@freemail.hu wrote: > (void)(devno); is need because devno arguments is an unused variable, need to use this solution to suppress any potential warnings. No, devno is a function parameter. There is no warning if '(void)(devno)' is removed.