[kbuild-all] Re: drivers/pinctrl/renesas/pinctrl-rzn1.c:183:52: sparse: sparse: dubious: x | !y

Hi Kernel Test Robot, On Tue, Oct 20, 2020 at 9:42 AM kernel test robot <lkp(a)intel.com&gt; wrote: > First bad commit (maybe != root cause): > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: 270315b8235e3d10c2e360cff56c2f9e0915a252 > commit: 077365a941166f3a7f5894017f9d26d17cdec00e pinctrl: Rename sh-pfc to renesas > date: 5 weeks ago > config: x86_64-randconfig-s032-20201020 (attached as .config) > compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 > reproduce: > # apt-get install sparse > # sparse version: v0.6.3-dirty > # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... > git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > git fetch --no-tags linus master > git checkout 077365a941166f3a7f5894017f9d26d17cdec00e > # save the attached .config to linux build tree > make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp(a)intel.com&gt; > > > "sparse warnings: (new ones prefixed by >>)" >>> drivers/pinctrl/renesas/pinctrl-rzn1.c:183:52: sparse: sparse: dubious: x | !y > drivers/pinctrl/renesas/pinctrl-rzn1.c:189:52: sparse: sparse: dubious: x | !y This is a false positive, cfr. https://lore.kernel.org/linux-renesas-soc/CAMuHMdV=aWj9ePL9gAa-vsmLLUZkY4...