The function below is used only within this source file, but is not static. drivers/gpu/drm/imagination/pvr_vm.c:542:6: error: no previous prototype for 'pvr_gpuvm_free' [-Werror=missing-prototypes] 542 | void pvr_gpuvm_free(struct drm_gpuvm *gpuvm) Make it static. Reported-by: Arnd Bergmann <arnd@xxxxxxxx> Reported-by: kernel test robot <lkp@xxxxxxxxx> Closes: https://lore.kernel.org/oe-kbuild-all/202311242159.hh8MWiAm-lkp@xxxxxxxxx/ Fixes: 3c96dd170efe ("drm/imagination: Add GEM and VM related code") Signed-off-by: Donald Robson <donald.robson@xxxxxxxxxx> --- drivers/gpu/drm/imagination/pvr_vm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/imagination/pvr_vm.c b/drivers/gpu/drm/imagination/pvr_vm.c index 04f7d0cf4188..89eb6ee1bbcf 100644 --- a/drivers/gpu/drm/imagination/pvr_vm.c +++ b/drivers/gpu/drm/imagination/pvr_vm.c @@ -528,7 +528,7 @@ pvr_device_addr_and_size_are_valid(u64 device_addr, u64 size) (device_addr + size <= PVR_PAGE_TABLE_ADDR_SPACE_SIZE); } -void pvr_gpuvm_free(struct drm_gpuvm *gpuvm) +static void pvr_gpuvm_free(struct drm_gpuvm *gpuvm) { } -- 2.25.1
