Baoyou Xie writes:
> We get 1 warning when building kernel with W=1:
> drivers/gpu/drm/vc4/vc4_bo.c:147:6: warning: no previous prototype for
> 'vc4_bo_cache_purge' [-Wmissing-prototypes]
>
> In fact, this function is only used in the file in which it is
> declared and don't need a declaration,
We get 1 warning when building kernel with W=1:
drivers/gpu/drm/vc4/vc4_bo.c:147:6: warning: no previous prototype for
'vc4_bo_cache_purge' [-Wmissing-prototypes]
In fact, this function is only used in the file in which it is
declared and don't need a declaration, but can be made static.
So this
