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Date: Tue, 12 Jan 2021 16:03:17 +0200 From: Andy Shevchenko <andy.shevchenko@...il.com> To: kernel test robot <lkp@...el.com> Cc: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, kbuild-all@...ts.01.org, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Mauro Carvalho Chehab <mchehab@...nel.org>, Linux Media Mailing List <linux-media@...r.kernel.org>, Sakari Ailus <sakari.ailus@...ux.intel.com> Subject: Re: drivers/media/pci/intel/ipu3/ipu3-cio2.c:163:63: sparse: sparse: cast truncates bits from constant value (20000 becomes 0) On Tue, Jan 12, 2021 at 3:07 PM kernel test robot <lkp@...el.com> wrote: > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: a0d54b4f5b219fb31f0776e9f53aa137e78ae431 > commit: 7b285f41f7376dc37e7fad1e803995fd39f42848 media: ipu3-cio2: Introduce CIO2_LOP_ENTRIES constant > date: 4 months ago > config: ia64-randconfig-s031-20210112 (attached as .config) > compiler: ia64-linux-gcc (GCC) 9.3.0 > reproduce: > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # apt-get install sparse > # sparse version: v0.6.3-208-g46a52ca4-dirty > # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7b285f41f7376dc37e7fad1e803995fd39f42848 > git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > git fetch --no-tags linus master > git checkout 7b285f41f7376dc37e7fad1e803995fd39f42848 > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=ia64 > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@...el.com> > > > "sparse warnings: (new ones prefixed by >>)" > >> drivers/media/pci/intel/ipu3/ipu3-cio2.c:163:63: sparse: sparse: cast truncates bits from constant value (20000 becomes 0) Patch should be somewhere on its way to upstream. -- With Best Regards, Andy Shevchenko
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