On 17/11/2021 04:56, kernel test robot wrote:
tree:
https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl.git
for-v5.17/renesas-rpc
head: b04cc0d912eb80d3c438b11d96ca847c3e77e8ab
commit: b04cc0d912eb80d3c438b11d96ca847c3e77e8ab [5/5] memory: renesas-rpc-if: Add
support for RZ/G2L
config: x86_64-buildonly-randconfig-r002-20211116 (attached as .config)
compiler: clang version 14.0.0 (
https://github.com/llvm/llvm-project
4c2cf3a314d9131b1b288e7c8ab0c75ac1b2be1d)
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/krzk/linux-mem-ctrl.git/c...
git remote add krzk-mem-ctrl
https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl.git
git fetch --no-tags krzk-mem-ctrl for-v5.17/renesas-rpc
git checkout b04cc0d912eb80d3c438b11d96ca847c3e77e8ab
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
>> drivers/memory/renesas-rpc-if.c:253:14: warning: cast to smaller integer type
'enum rpcif_type' from 'const void *' [-Wvoid-pointer-to-enum-cast]
rpc->type = (enum rpcif_type)of_device_get_match_data(dev);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 warning generated.
I am afraid several drivers repeat this pattern and will be affected as
well on clang. GCC does not complain (apparently cast is enough for
GCC), but still this has to be fixed. Maybe cast via uintptr_t would
quite it?
Let me know when I can expect the fix.
Best regards,
Krzysztof