linux-kernel - [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'

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Date:   Mon, 29 Aug 2022 06:25:53 +0800
From:   kernel test robot <lkp@...el.com>
To:     Dmitry Rokosov <DDRokosov@...rdevices.ru>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>
Subject: [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'

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@...el.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	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp