On Wed, 23 Aug 2023 14:48:03 +1000, Michael Ellerman wrote:

Clang warns:
  drivers/misc/cxl/native.c:272:20: error: unused function 'detach_spa' [-Werror,-Wunused-function]

It was created as part of some refactoring in commit 05155772f642 ("cxl:
Allocate and release the SPA with the AFU"), but has never been called
in its current form. Drop it.

[...]

Applied to powerpc/next.

[1/1] cxl: Drop unused detach_spa()
      https://git.kernel.org/powerpc/c/fe32945203ffc8d6fed815f7ed7729219f8b0ab6

cheers