On Wed, 01 Feb 2023 22:36:19 +0800, Dawei Li wrote:

Commit fc7a6209d571 ("bus: Make remove callback return void") forces
bus_type::remove be void-returned, it doesn't make much sense for any
bus based driver implementing remove callbalk to return non-void to
its caller.

This change is for macio bus based drivers.

[...]

Applied to powerpc/next.

[1/1] powerpc: macio: Make remove callback of macio driver void returned
      https://git.kernel.org/powerpc/c/9db2235326c4b868b6e065dfa3a69011ee570848

cheers