Hi Andrew, url: https://github.com/0day-ci/linux/commits/Andrew-Jeffery/hwmon-pmbus-Expose-PEC-debugfs-attribute/20200910-010642 base: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next config: x86_64-randconfig-m001-20200909 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> smatch warnings: drivers/hwmon/pmbus/pmbus_core.c:2415 pmbus_debugfs_ops_pec_open() warn: '0x' prefix is confusing together with '%1llu' specifier # https://github.com/0day-ci/linux/commit/705b8b5588d4102256d0954086ed16c9bdf9804f git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Andrew-Jeffery/hwmon-pmbus-Expose-PEC-debugfs-attribute/20200910-010642 git checkout 705b8b5588d4102256d0954086ed16c9bdf9804f vim +2415 drivers/hwmon/pmbus/pmbus_core.c 705b8b5588d410 Andrew Jeffery 2020-09-09 2391 static int pmbus_debugfs_set_pec(void *data, u64 val) 705b8b5588d410 Andrew Jeffery 2020-09-09 2392 { 705b8b5588d410 Andrew Jeffery 2020-09-09 2393 int rc; 705b8b5588d410 Andrew Jeffery 2020-09-09 2394 struct i2c_client *client = data; 705b8b5588d410 Andrew Jeffery 2020-09-09 2395 705b8b5588d410 Andrew Jeffery 2020-09-09 2396 if (!val) { 705b8b5588d410 Andrew Jeffery 2020-09-09 2397 client->flags &= ~I2C_CLIENT_PEC; 705b8b5588d410 Andrew Jeffery 2020-09-09 2398 return 0; 705b8b5588d410 Andrew Jeffery 2020-09-09 2399 } 705b8b5588d410 Andrew Jeffery 2020-09-09 2400 705b8b5588d410 Andrew Jeffery 2020-09-09 2401 if (val != 1) 705b8b5588d410 Andrew Jeffery 2020-09-09 2402 return -EINVAL; 705b8b5588d410 Andrew Jeffery 2020-09-09 2403 705b8b5588d410 Andrew Jeffery 2020-09-09 2404 rc = i2c_smbus_read_byte_data(client, PMBUS_CAPABILITY); 705b8b5588d410 Andrew Jeffery 2020-09-09 2405 if (rc < 0) 705b8b5588d410 Andrew Jeffery 2020-09-09 2406 return rc; 705b8b5588d410 Andrew Jeffery 2020-09-09 2407 705b8b5588d410 Andrew Jeffery 2020-09-09 2408 if (!(rc & PB_CAPABILITY_ERROR_CHECK)) 705b8b5588d410 Andrew Jeffery 2020-09-09 2409 return -ENOTSUPP; 705b8b5588d410 Andrew Jeffery 2020-09-09 2410 705b8b5588d410 Andrew Jeffery 2020-09-09 2411 client->flags |= I2C_CLIENT_PEC; 705b8b5588d410 Andrew Jeffery 2020-09-09 2412 705b8b5588d410 Andrew Jeffery 2020-09-09 2413 return 0; 705b8b5588d410 Andrew Jeffery 2020-09-09 2414 } 705b8b5588d410 Andrew Jeffery 2020-09-09 @2415 DEFINE_DEBUGFS_ATTRIBUTE(pmbus_debugfs_ops_pec, pmbus_debugfs_get_pec, 705b8b5588d410 Andrew Jeffery 2020-09-09 2416 pmbus_debugfs_set_pec, "0x%1llu\n"); ^^^^^^^ Was the 1 intentional? Anyway, you probably want to remove the 0x so it doesn't look like hex. 705b8b5588d410 Andrew Jeffery 2020-09-09 2417 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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