From: kernel test robot <lkp@intel.com>
To: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org,
"Mark Brown" <broonie@kernel.org>,
"Ranjani Sridharan" <ranjani.sridharan@linux.intel.com>,
"Rander Wang" <rander.wang@intel.com>,
"Péter Ujfalusi" <peter.ujfalusi@linux.intel.com>
Subject: include/linux/io-64-nonatomic-lo-hi.h:21:16: sparse: sparse: cast truncates bits from constant value (8000000000000000 becomes 0)
Date: Thu, 2 Nov 2023 22:04:46 +0800 [thread overview]
Message-ID: <202311022232.mbDUzcRN-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 21e80f3841c01aeaf32d7aee7bbc87b3db1aa0c6
commit: 01278cb6fa82083000a9e0b56c8b004caf5b6a73 ASoC: SOF: ops: fallback to mmio in helpers
date: 1 year ago
config: nios2-randconfig-r132-20231102 (https://download.01.org/0day-ci/archive/20231102/202311022232.mbDUzcRN-lkp@intel.com/config)
compiler: nios2-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20231102/202311022232.mbDUzcRN-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/202311022232.mbDUzcRN-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
sound/soc/sof/intel/atom.c: note: in included file (through include/sound/hdaudio.h, sound/soc/sof/intel/../sof-priv.h, sound/soc/sof/intel/../ops.h):
>> include/linux/io-64-nonatomic-lo-hi.h:21:16: sparse: sparse: cast truncates bits from constant value (8000000000000000 becomes 0)
vim +21 include/linux/io-64-nonatomic-lo-hi.h
797a796a13df6b include/asm-generic/io-64-nonatomic-lo-hi.h Hitoshi Mitake 2012-02-07 18
3a044178cccfeb include/asm-generic/io-64-nonatomic-lo-hi.h Jason Baron 2014-07-04 19 static inline void lo_hi_writeq(__u64 val, volatile void __iomem *addr)
797a796a13df6b include/asm-generic/io-64-nonatomic-lo-hi.h Hitoshi Mitake 2012-02-07 20 {
797a796a13df6b include/asm-generic/io-64-nonatomic-lo-hi.h Hitoshi Mitake 2012-02-07 @21 writel(val, addr);
797a796a13df6b include/asm-generic/io-64-nonatomic-lo-hi.h Hitoshi Mitake 2012-02-07 22 writel(val >> 32, addr + 4);
797a796a13df6b include/asm-generic/io-64-nonatomic-lo-hi.h Hitoshi Mitake 2012-02-07 23 }
3a044178cccfeb include/asm-generic/io-64-nonatomic-lo-hi.h Jason Baron 2014-07-04 24
:::::: The code at line 21 was first introduced by commit
:::::: 797a796a13df6b84a4791e57306737059b5b2384 asm-generic: architecture independent readq/writeq for 32bit environment
:::::: TO: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2023-11-02 14:05 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-02 14:04 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2023-11-02 10:01 include/linux/io-64-nonatomic-lo-hi.h:21:16: sparse: sparse: cast truncates bits from constant value (8000000000000000 becomes 0) kernel test robot
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