Re: [PATCH 1/1] hwmon: powr1220: remove unnecessary (void*) conversions

From: kernel test robot <lkp@intel.com>
To: XU pengfei <xupengfei@nfschina.com>,
	jdelvare@suse.com, linux@roeck-us.net
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
	linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org,
	XU pengfei <xupengfei@nfschina.com>
Subject: Re: [PATCH 1/1] hwmon: powr1220: remove unnecessary (void*) conversions
Date: Sat, 21 Jan 2023 03:08:09 +0800	[thread overview]
Message-ID: <202301210322.r2vwtdN5-lkp@intel.com> (raw)
In-Reply-To: <20230111043729.3792-1-xupengfei@nfschina.com>

Hi XU,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on groeck-staging/hwmon-next]
[also build test ERROR on linus/master v6.2-rc4 next-20230120]
[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/XU-pengfei/hwmon-powr1220-remove-unnecessary-void-conversions/20230111-123826
base:   https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next
patch link:    https://lore.kernel.org/r/20230111043729.3792-1-xupengfei%40nfschina.com
patch subject: [PATCH 1/1] hwmon: powr1220: remove unnecessary (void*) conversions
config: i386-randconfig-a013 (https://download.01.org/0day-ci/archive/20230121/202301210322.r2vwtdN5-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/2eb252eb3b198f857b200cd1b3aee679a7129baa
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review XU-pengfei/hwmon-powr1220-remove-unnecessary-void-conversions/20230111-123826
        git checkout 2eb252eb3b198f857b200cd1b3aee679a7129baa
        # 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 drivers/hwmon/

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

All errors (new ones prefixed by >>):

>> drivers/hwmon/powr1220.c:177:24: error: initializing 'struct powr1220_data *' with an expression of type 'const void *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
           struct powr1220_data *chip_data = data;
                                 ^           ~~~~
   1 error generated.

vim +177 drivers/hwmon/powr1220.c

   172	
   173	static umode_t
   174	powr1220_is_visible(const void *data, enum hwmon_sensor_types type, u32
   175			    attr, int channel)
   176	{
 > 177		struct powr1220_data *chip_data = data;
   178	
   179		if (channel >= chip_data->max_channels)
   180			return 0;
   181	
   182		switch (type) {
   183		case hwmon_in:
   184			switch (attr) {
   185			case hwmon_in_input:
   186			case hwmon_in_highest:
   187			case hwmon_in_label:
   188				return 0444;
   189			default:
   190				break;
   191			}
   192			break;
   193		default:
   194			break;
   195		}
   196	
   197		return 0;
   198	}
   199	

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https://github.com/intel/lkp-tests