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Subjectarch/m68k/sun3/sun3ints.c:33:13: sparse: sparse: cast truncates bits from constant value (ffffff7f becomes 7f)
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: ceb6a6f023fd3e8b07761ed900352ef574010bcb
commit: 72e70a0e7ac7c422843eb8bbf192e820e9ccd24d m68k: sun3: Change led_pattern[] to unsigned char
date: 2 months ago
config: m68k-randconfig-r133-20231117 (https://download.01.org/0day-ci/archive/20231218/202312181649.u6k6hLIm-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20231218/202312181649.u6k6hLIm-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312181649.u6k6hLIm-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
arch/m68k/sun3/sun3ints.c: note: in included file (through include/linux/mmzone.h, include/linux/topology.h, include/linux/irq.h, ...):
include/linux/page-flags.h:242:46: sparse: sparse: self-comparison always evaluates to false
>> arch/m68k/sun3/sun3ints.c:33:13: sparse: sparse: cast truncates bits from constant value (ffffff7f becomes 7f)

vim +33 arch/m68k/sun3/sun3ints.c

31
32 static unsigned char led_pattern[8] = {
> 33 (u8)~(0x80), (u8)~(0x01),
34 (u8)~(0x40), (u8)~(0x02),
35 (u8)~(0x20), (u8)~(0x04),
36 (u8)~(0x10), (u8)~(0x08)
37 };
38

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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