linux-kernel - Re: [PATCH 1/3] hwmon: (pmbus/mpq7932) Get page count based on chip info

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Message-ID: <202309111406.BSKHGe9U-lkp@intel.com>
Date:   Mon, 11 Sep 2023 14:40:55 +0800
From:   kernel test robot <lkp@...el.com>
To:     Saravanan Sekar <saravanan@...umiz.com>, sravanhome@...il.com,
        lgirdwood@...il.com, broonie@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        linux@...ck-us.net, jdelvare@...e.com
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-hwmon@...r.kernel.org,
        Saravanan Sekar <saravanan@...umiz.com>
Subject: Re: [PATCH 1/3] hwmon: (pmbus/mpq7932) Get page count based on chip
 info

Hi Saravanan,

kernel test robot noticed the following build warnings:

[auto build test WARNING on groeck-staging/hwmon-next]
[also build test WARNING on broonie-regulator/for-next linus/master v6.6-rc1 next-20230911]
[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/Saravanan-Sekar/hwmon-pmbus-mpq7932-Get-page-count-based-on-chip-info/20230911-114451
base:   https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next
patch link:    https://lore.kernel.org/r/20230911034150.181880-2-saravanan%40linumiz.com
patch subject: [PATCH 1/3] hwmon: (pmbus/mpq7932) Get page count based on chip info
config: x86_64-randconfig-005-20230911 (https://download.01.org/0day-ci/archive/20230911/202309111406.BSKHGe9U-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230911/202309111406.BSKHGe9U-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309111406.BSKHGe9U-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/hwmon/pmbus/mpq7932.c:108:16: warning: cast to smaller integer type 'int' from 'const void *' [-Wvoid-pointer-to-int-cast]
           info->pages = (int)device_get_match_data(&client->dev);
                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   1 warning generated.


vim +108 drivers/hwmon/pmbus/mpq7932.c

    95	
    96	static int mpq7932_probe(struct i2c_client *client)
    97	{
    98		struct mpq7932_data *data;
    99		struct pmbus_driver_info *info;
   100		struct device *dev = &client->dev;
   101		int i;
   102	
   103		data = devm_kzalloc(dev, sizeof(struct mpq7932_data), GFP_KERNEL);
   104		if (!data)
   105			return -ENOMEM;
   106	
   107		info = &data->info;
 > 108		info->pages = (int)device_get_match_data(&client->dev);
   109		info->format[PSC_VOLTAGE_OUT] = direct;
   110		info->m[PSC_VOLTAGE_OUT] = 160;
   111		info->b[PSC_VOLTAGE_OUT] = -33;
   112		for (i = 0; i < info->pages; i++) {
   113			info->func[i] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT
   114					| PMBUS_HAVE_STATUS_TEMP;
   115		}
   116	

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