[jic23-iio:testing 124/129] drivers/iio/accel/msa311.c:993:24: warning: format specifies type 'unsigned char' but the argument has type 'unsigned int'

kernel test robot
2022-08-28T22:26:38Z

tree: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git testing
head: fc32c348a52157665cd8f3f060669ef4e8a03cd4
commit: 1a622d75985c5950a470edc50c7ad7c10e79a1d3 [124/129] iio: add MEMSensing MSA311 3-axis accelerometer driver
config: powerpc-randconfig-r024-20220829 (https://download.01.org/0day-ci/archive/20220829/202208290618.wU7mHfOp-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project a2100daf12fb980a29fd1a9c85ccf8eaaaf79730)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install powerpc cross compiling tool for clang build
# apt-get install binutils-powerpc-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git/commit/?id=1a622d75985c5950a470edc50c7ad7c10e79a1d3
git remote add jic23-iio https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git
git fetch --no-tags jic23-iio testing
git checkout 1a622d75985c5950a470edc50c7ad7c10e79a1d3
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash drivers/iio/accel/

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

All warnings (new ones prefixed by >>):

>> drivers/iio/accel/msa311.c:993:24: warning: format specifies type 'unsigned char' but the argument has type 'unsigned int' [-Wformat]
"msa311-%hhx", partid);
~~~~ ^~~~~~
%x
1 warning generated.

vim +993 drivers/iio/accel/msa311.c

977
978 static int msa311_check_partid(struct msa311_priv *msa311)
979 {
980 struct device *dev = msa311->dev;
981 unsigned int partid;
982 int err;
983
984 err = regmap_read(msa311->regs, MSA311_PARTID_REG, &partid);
985 if (err)
986 return dev_err_probe(dev, err, "failed to read partid\n");
987
988 if (partid != MSA311_WHO_AM_I)
989 dev_warn(dev, "invalid partid (%#x), expected (%#x)\n",
990 partid, MSA311_WHO_AM_I);
991
992 msa311->chip_name = devm_kasprintf(dev, GFP_KERNEL,
> 993 "msa311-%hhx", partid);
994 if (!msa311->chip_name)
995 return dev_err_probe(dev, -ENOMEM, "can't alloc chip name\n");
996
997 return 0;
998 }
999

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0-DAY CI Kernel Test Service