Re: [PATCH v1 2/2] hwmon: pmbus: Add ltc4286 driver

From: kernel test robot <lkp@intel.com>
To: Delphine CC Chiu <Delphine_CC_Chiu@wiwynn.com>,
	patrick@stwcx.xyz, Guenter Roeck <linux@roeck-us.net>,
	Jean Delvare <jdelvare@suse.com>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	linux-i2c@vger.kernel.org, linux-hwmon@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v1 2/2] hwmon: pmbus: Add ltc4286 driver
Date: Sat, 6 May 2023 07:14:28 +0800	[thread overview]
Message-ID: <202305060716.5xAx86T8-lkp@intel.com> (raw)
In-Reply-To: <20230424101352.28117-3-Delphine_CC_Chiu@Wiwynn.com>

Hi Delphine,

kernel test robot noticed the following build errors:

[auto build test ERROR on groeck-staging/hwmon-next]
[also build test ERROR on linus/master v6.3 next-20230505]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Delphine-CC-Chiu/dt-bindings-hwmon-Add-lltc-ltc4286-driver-bindings/20230424-181521
base:   https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next
patch link:    https://lore.kernel.org/r/20230424101352.28117-3-Delphine_CC_Chiu%40Wiwynn.com
patch subject: [PATCH v1 2/2] hwmon: pmbus: Add ltc4286 driver
config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20230506/202305060716.5xAx86T8-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
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
        # https://github.com/intel-lab-lkp/linux/commit/318b8a252bb2d7430f1cf7b93bb5df8d0e4fee29
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Delphine-CC-Chiu/dt-bindings-hwmon-Add-lltc-ltc4286-driver-bindings/20230424-181521
        git checkout 318b8a252bb2d7430f1cf7b93bb5df8d0e4fee29
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202305060716.5xAx86T8-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/hwmon/pmbus/ltc4286.c:46:24: warning: implicit conversion from 'double' to 'int' changes value from 273.15 to 273 [-Wliteral-conversion]
           .b[PSC_TEMPERATURE] = 273.15,
                                 ^~~~~~
>> drivers/hwmon/pmbus/ltc4286.c:134:11: error: incompatible function pointer types initializing 'int (*)(struct i2c_client *)' with an expression of type 'int (struct i2c_client *, const struct i2c_device_id *)' [-Werror,-Wincompatible-function-pointer-types]
           .probe = ltc4286_probe,
                    ^~~~~~~~~~~~~
   1 warning and 1 error generated.

vim +134 drivers/hwmon/pmbus/ltc4286.c

   127	
   128	/* This is the driver that will be inserted */
   129	static struct i2c_driver ltc4286_driver = {
   130		.driver = {
   131			.name = "ltc4286",
   132			.of_match_table = ltc4286_of_match,
   133		},
 > 134		.probe = ltc4286_probe,
   135		.id_table = ltc4286_id,
   136	};
   137	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests