linux-kernel - Re: [PATCH] hwmon: ina238: Add support for shunt voltage scaling

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Message-ID: <202501211015.8Szwv3Cd-lkp@intel.com>
Date: Tue, 21 Jan 2025 11:01:25 +0800
From: kernel test robot <lkp@...el.com>
To: Potin Lai <potin.lai.pt@...il.com>, Jean Delvare <jdelvare@...e.com>,
	Guenter Roeck <linux@...ck-us.net>,
	Patrick Williams <patrick@...cx.xyz>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org,
	Cosmo Chou <cosmo.chou@...ntatw.com>,
	Potin Lai <potin.lai@...ntatw.com>
Subject: Re: [PATCH] hwmon: ina238: Add support for shunt voltage scaling

Hi Potin,

kernel test robot noticed the following build warnings:

[auto build test WARNING on fc033cf25e612e840e545f8d5ad2edd6ba613ed5]

url:    https://github.com/intel-lab-lkp/linux/commits/Potin-Lai/hwmon-ina238-Add-support-for-shunt-voltage-scaling/20250121-002826
base:   fc033cf25e612e840e545f8d5ad2edd6ba613ed5
patch link:    https://lore.kernel.org/r/20250121-potin-ina238-shunt-voltage-scaling-v1-1-36d5dfe027f5%40gmail.com
patch subject: [PATCH] hwmon: ina238: Add support for shunt voltage scaling
config: x86_64-buildonly-randconfig-004-20250121 (https://download.01.org/0day-ci/archive/20250121/202501211015.8Szwv3Cd-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250121/202501211015.8Szwv3Cd-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/202501211015.8Szwv3Cd-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/hwmon/ina238.c:120:30: warning: format specifies type 'int' but the argument has type 'long' [-Wformat]
     120 |         return sprintf(buf, "%d\n", data->shunt_volt_scale);
         |                              ~~     ^~~~~~~~~~~~~~~~~~~~~~
         |                              %ld
   1 warning generated.


vim +120 drivers/hwmon/ina238.c

   114	
   115	static ssize_t shunt_volt_scale_show(struct device *dev,
   116					     struct device_attribute *attr, char *buf)
   117	{
   118		struct ina238_data *data = dev_get_drvdata(dev);
   119	
 > 120		return sprintf(buf, "%d\n", data->shunt_volt_scale);
   121	}
   122	

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