[ogabbay:habanalabs-next 25/28] drivers/misc/habanalabs/goya/goya.c:4265:5: warning: no previous prototype for 'goya_debugfs_read_dma'

From: kernel test robot
Date: Fri Apr 01 2022 - 19:13:06 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/ogabbay/linux.git habanalabs-next
head: fa59c43c5c906277ab3b753d782488ef4fd3ba62
commit: cb162eee0d9f31c21860a9f454563abde2ff30aa [25/28] habanalabs: remove debugfs read/write callbacks
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20220402/202204020706.ouqJkQDU-lkp@xxxxxxxxx/config)
compiler: alpha-linux-gcc (GCC) 11.2.0
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
# https://git.kernel.org/pub/scm/linux/kernel/git/ogabbay/linux.git/commit/?id=cb162eee0d9f31c21860a9f454563abde2ff30aa
git remote add ogabbay https://git.kernel.org/pub/scm/linux/kernel/git/ogabbay/linux.git
git fetch --no-tags ogabbay habanalabs-next
git checkout cb162eee0d9f31c21860a9f454563abde2ff30aa
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=alpha SHELL=/bin/bash drivers/misc/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

>> drivers/misc/habanalabs/goya/goya.c:4265:5: warning: no previous prototype for 'goya_debugfs_read_dma' [-Wmissing-prototypes]
4265 | int goya_debugfs_read_dma(struct hl_device *hdev, u64 addr, u32 size,
| ^~~~~~~~~~~~~~~~~~~~~


vim +/goya_debugfs_read_dma +4265 drivers/misc/habanalabs/goya/goya.c

4264
> 4265 int goya_debugfs_read_dma(struct hl_device *hdev, u64 addr, u32 size,
4266 void *blob_addr)
4267 {
4268 dev_err(hdev->dev, "Reading via DMA is unimplemented yet\n");
4269 return -EPERM;
4270 }
4271

--
0-DAY CI Kernel Test Service
https://01.org/lkp