tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   5be860bfc73408bc1a8af9167955e480ecebba84
commit: 66603243f5283f7f28c795f09e7c2167233df0bd [3478/12617] Input: add driver for Hynitron cstxxx touchscreens
config: csky-randconfig-s053-20221204
compiler: csky-linux-gcc (GCC) 12.1.0
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: v0.6.4-39-gce1a6720-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=66603243f5283f7f28c795f09e7c2167233df0bd
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout 66603243f5283f7f28c795f09e7c2167233df0bd
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=csky SHELL=/bin/bash drivers/input/touchscreen/ kernel/trace/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

sparse warnings: (new ones prefixed by >>)
   drivers/input/touchscreen/hynitron_cstxxx.c: note: in included file (through arch/csky/include/generated/asm/unaligned.h):
>> include/asm-generic/unaligned.h:119:16: sparse: sparse: cast truncates bits from constant value (aa01a0 becomes a0)
>> include/asm-generic/unaligned.h:120:20: sparse: sparse: cast truncates bits from constant value (aa01 becomes 1)
>> include/asm-generic/unaligned.h:119:16: sparse: sparse: cast truncates bits from constant value (ab00d0 becomes d0)
>> include/asm-generic/unaligned.h:120:20: sparse: sparse: cast truncates bits from constant value (ab00 becomes 0)

vim +119 include/asm-generic/unaligned.h

803f4e1eab7a89 Arnd Bergmann 2021-05-08  116  
803f4e1eab7a89 Arnd Bergmann 2021-05-08  117  static inline void __put_unaligned_le24(const u32 val, u8 *p)
803f4e1eab7a89 Arnd Bergmann 2021-05-08  118  {
803f4e1eab7a89 Arnd Bergmann 2021-05-08 @119  	*p++ = val;
803f4e1eab7a89 Arnd Bergmann 2021-05-08 @120  	*p++ = val >> 8;
803f4e1eab7a89 Arnd Bergmann 2021-05-08  121  	*p++ = val >> 16;
803f4e1eab7a89 Arnd Bergmann 2021-05-08  122  }
803f4e1eab7a89 Arnd Bergmann 2021-05-08  123  

:::::: The code at line 119 was first introduced by commit
:::::: 803f4e1eab7a8938ba3a3c30dd4eb5e9eeef5e63 asm-generic: simplify asm/unaligned.h

:::::: TO: Arnd Bergmann <arnd@arndb.de>
:::::: CC: Arnd Bergmann <arnd@arndb.de>

-- 
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https://01.org/lkp