Hi Eddie, I love your patch! Perhaps something to improve: [auto build test WARNING on hwmon/hwmon-next] [also build test WARNING on linux/master linus/master v5.14-rc1 next-20210716] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Eddie-James/OCC-fsi-and-hwmon-Set-sequence-number-in-submit-interface/20210718-103535 base: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next config: i386-randconfig-s001-20210718 (attached as .config) compiler: gcc-10 (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-341-g8af24329-dirty # https://github.com/0day-ci/linux/commit/5e8ecc23325ef0310d83a4520071aae18418f88a git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Eddie-James/OCC-fsi-and-hwmon-Set-sequence-number-in-submit-interface/20210718-103535 git checkout 5e8ecc23325ef0310d83a4520071aae18418f88a # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash drivers/hwmon/occ/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) >> drivers/hwmon/occ/p8_i2c.c:104:30: sparse: sparse: incompatible types in comparison expression (different type sizes): >> drivers/hwmon/occ/p8_i2c.c:104:30: sparse: unsigned int * >> drivers/hwmon/occ/p8_i2c.c:104:30: sparse: unsigned long * drivers/hwmon/occ/p8_i2c.c:107:42: sparse: sparse: incompatible types in comparison expression (different type sizes): drivers/hwmon/occ/p8_i2c.c:107:42: sparse: unsigned int * drivers/hwmon/occ/p8_i2c.c:107:42: sparse: unsigned long * vim +104 drivers/hwmon/occ/p8_i2c.c 98 99 static int p8_i2c_occ_putscom_be(struct i2c_client *client, u32 address, 100 u8 *data, size_t len) 101 { 102 __be32 data0 = 0, data1 = 0; 103 > 104 memcpy(&data0, data, min(len, 4UL)); 105 if (len > 4UL) { 106 len -= 4; 107 memcpy(&data1, data + 4, min(len, 4UL)); 108 } 109 110 return p8_i2c_occ_putscom_u32(client, address, be32_to_cpu(data0), 111 be32_to_cpu(data1)); 112 } 113 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org