[skeggsb-nouveau:01.03-gsp-ada 55/68] drivers/gpu/drm/nouveau/nvkm/subdev/gsp/fwsec.c:172:1: warning: no previous prototype for function 'nvkm_gsp_fwsec_v2'

[skeggsb-nouveau:01.03-gsp-ada 55/68] drivers/gpu/drm/nouveau/nvkm/subdev/gsp/fwsec.c:172:1: warning: no previous prototype for function 'nvkm_gsp_fwsec_v2'

[kernel test robot]

tree:   https://gitlab.freedesktop.org/skeggsb/nouveau 01.03-gsp-ada
head:   89da5e5109a92f4be025e40b80d1f1a6c1d6d8c7
commit: da80f989581a7be4549c3459d0f073c0d6e808fb [55/68] WIPdrm/nouveau/gsp/tu102-: add support for booting GSP-RM
config: riscv-randconfig-r026-20230313 (https://download.01.org/0day-ci/archive/20230313/202303131633.GJCbuzjl-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 67409911353323ca5edf2049ef0df54132fa1ca7)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install riscv cross compiling tool for clang build
        # apt-get install binutils-riscv64-linux-gnu
        git remote add skeggsb-nouveau https://gitlab.freedesktop.org/skeggsb/nouveau
        git fetch --no-tags skeggsb-nouveau 01.03-gsp-ada
        git checkout da80f989581a7be4549c3459d0f073c0d6e808fb
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/gpu/drm/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303131633.GJCbuzjl-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/nouveau/nvkm/subdev/gsp/fwsec.c:172:1: warning: no previous prototype for function 'nvkm_gsp_fwsec_v2' [-Wmissing-prototypes]
   nvkm_gsp_fwsec_v2(struct nvkm_gsp *gsp, const char *name,
   ^
   drivers/gpu/drm/nouveau/nvkm/subdev/gsp/fwsec.c:171:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int
   ^
   static 
>> drivers/gpu/drm/nouveau/nvkm/subdev/gsp/fwsec.c:222:1: warning: no previous prototype for function 'nvkm_gsp_fwsec_v3' [-Wmissing-prototypes]
   nvkm_gsp_fwsec_v3(struct nvkm_gsp *gsp, const char *name,
   ^
   drivers/gpu/drm/nouveau/nvkm/subdev/gsp/fwsec.c:221:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int
   ^
   static 
   2 warnings generated.


vim +/nvkm_gsp_fwsec_v2 +172 drivers/gpu/drm/nouveau/nvkm/subdev/gsp/fwsec.c

   170	
   171	int
 > 172	nvkm_gsp_fwsec_v2(struct nvkm_gsp *gsp, const char *name,
   173			  const struct nvkm_falcon_ucode_desc_v2 *desc, u32 size, u32 init_cmd,
   174			  struct nvkm_falcon_fw *fw)
   175	{
   176		struct nvkm_subdev *subdev = &gsp->subdev;
   177		const struct firmware *bl;
   178		const struct nvfw_bin_hdr *hdr;
   179		const struct nvfw_bl_desc *bld;
   180		int ret;
   181	
   182		/* Build ucode. */
   183		ret = nvkm_falcon_fw_ctor(gsp->func->fwsec, name, subdev->device, true,
   184					  (u8 *)desc + size, desc->IMEMLoadSize + desc->DMEMLoadSize,
   185					  &gsp->falcon, fw);
   186		if (WARN_ON(ret))
   187			return ret;
   188	
   189		fw->nmem_base_img = 0;
   190		fw->nmem_base = desc->IMEMPhysBase;
   191		fw->nmem_size = desc->IMEMLoadSize - desc->IMEMSecSize;
   192	
   193		fw->imem_base_img = 0;
   194		fw->imem_base = desc->IMEMSecBase;
   195		fw->imem_size = desc->IMEMSecSize;
   196	
   197		fw->dmem_base_img = desc->DMEMOffset;
   198		fw->dmem_base = desc->DMEMPhysBase;
   199		fw->dmem_size = desc->DMEMLoadSize;
   200	
   201		/* Bootloader. */
   202		ret = nvkm_firmware_get(subdev, "acr/bl", 0, &bl);
   203		if (ret)
   204			return ret;
   205	
   206		hdr = nvfw_bin_hdr(subdev, bl->data);
   207		bld = nvfw_bl_desc(subdev, bl->data + hdr->header_offset);
   208	
   209		fw->boot_addr = bld->start_tag << 8;
   210		fw->boot_size = bld->code_size;
   211		fw->boot = kmemdup(bl->data + hdr->data_offset + bld->code_off, fw->boot_size, GFP_KERNEL);
   212		if (!fw->boot)
   213			ret = -ENOMEM;
   214	
   215		nvkm_firmware_put(bl);
   216	
   217		/* Patch in interface data. */
   218		return nvkm_gsp_fwsec_patch(gsp, fw, desc->InterfaceOffset, init_cmd);
   219	}
   220	
   221	int
 > 222	nvkm_gsp_fwsec_v3(struct nvkm_gsp *gsp, const char *name,
   223			  const struct nvkm_falcon_ucode_desc_v3 *desc, u32 size, u32 init_cmd,
   224			  struct nvkm_falcon_fw *fw)
   225	{
   226		struct nvkm_device *device = gsp->subdev.device;
   227		struct nvkm_bios *bios = device->bios;
   228		int ret;
   229	
   230		/* Build ucode. */
   231		ret = nvkm_falcon_fw_ctor(gsp->func->fwsec, name, device, true,
   232					  (u8 *)desc + size, desc->IMEMLoadSize + desc->DMEMLoadSize,
   233					  &gsp->falcon, fw);
   234		if (WARN_ON(ret))
   235			return ret;
   236	
   237		fw->imem_base_img = 0;
   238		fw->imem_base = desc->IMEMPhysBase;
   239		fw->imem_size = desc->IMEMLoadSize;
   240		fw->dmem_base_img = desc->IMEMLoadSize;
   241		fw->dmem_base = desc->DMEMPhysBase;
   242		fw->dmem_size = ALIGN(desc->DMEMLoadSize, 256);
   243		fw->dmem_sign = desc->PKCDataOffset;
   244		fw->boot_addr = 0;
   245		fw->fuse_ver = desc->SignatureVersions;
   246		fw->ucode_id = desc->UcodeId;
   247		fw->engine_id = desc->EngineIdMask;
   248	
   249		/* Patch in signature. */
   250		ret = nvkm_falcon_fw_sign(fw, fw->dmem_base_img + desc->PKCDataOffset, 96 * 4,
   251					  nvbios_pointer(bios, 0), desc->SignatureCount,
   252					  (u8 *)desc + 0x2c - (u8 *)nvbios_pointer(bios, 0), 0, 0);
   253		if (WARN_ON(ret))
   254			return ret;
   255	
   256		/* Patch in interface data. */
   257		return nvkm_gsp_fwsec_patch(gsp, fw, desc->InterfaceOffset, init_cmd);
   258	}
   259	

-- 
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https://github.com/intel/lkp-tests