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Subjectdrivers/gpu/drm/nouveau/nvkm/nvfw/acr.c:49:1: warning: no previous prototype for 'lsb_header_tail_dump'
Hi Ben,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 75caf310d16cc5e2f851c048cd597f5437013368
commit: 22dcda45a3d1dfe6eeb4ab0a3b9aaa2333cb649d drm/nouveau/acr: implement new subdev to replace "secure boot"
date: 5 months ago
config: arm64-sof-customedconfig-sst-defconfig (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
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
git checkout 22dcda45a3d1dfe6eeb4ab0a3b9aaa2333cb649d
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>

All warnings (new ones prefixed by >>, old ones prefixed by <<):

>> drivers/gpu/drm/nouveau/nvkm/nvfw/acr.c:49:1: warning: no previous prototype for 'lsb_header_tail_dump' [-Wmissing-prototypes]
49 | lsb_header_tail_dump(struct nvkm_subdev *subdev,
| ^~~~~~~~~~~~~~~~~~~~

vim +/lsb_header_tail_dump +49 drivers/gpu/drm/nouveau/nvkm/nvfw/acr.c

47
48 void
> 49 lsb_header_tail_dump(struct nvkm_subdev *subdev,
50 struct lsb_header_tail *hdr)
51 {
52 nvkm_debug(subdev, "lsbHeader\n");
53 nvkm_debug(subdev, "\tucodeOff : 0x%x\n", hdr->ucode_off);
54 nvkm_debug(subdev, "\tucodeSize : 0x%x\n", hdr->ucode_size);
55 nvkm_debug(subdev, "\tdataSize : 0x%x\n", hdr->data_size);
56 nvkm_debug(subdev, "\tblCodeSize : 0x%x\n", hdr->bl_code_size);
57 nvkm_debug(subdev, "\tblImemOff : 0x%x\n", hdr->bl_imem_off);
58 nvkm_debug(subdev, "\tblDataOff : 0x%x\n", hdr->bl_data_off);
59 nvkm_debug(subdev, "\tblDataSize : 0x%x\n", hdr->bl_data_size);
60 nvkm_debug(subdev, "\tappCodeOff : 0x%x\n", hdr->app_code_off);
61 nvkm_debug(subdev, "\tappCodeSize : 0x%x\n", hdr->app_code_size);
62 nvkm_debug(subdev, "\tappDataOff : 0x%x\n", hdr->app_data_off);
63 nvkm_debug(subdev, "\tappDataSize : 0x%x\n", hdr->app_data_size);
64 nvkm_debug(subdev, "\tflags : 0x%x\n", hdr->flags);
65 }
66

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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