linux-kernel - Re: [PATCH v2 3/5] hwmon: (pmbus/acbel-crps) Add Acbel CRPS power supply driver

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Date:   Tue, 21 Mar 2023 13:31:46 +0800
From:   kernel test robot <lkp@...el.com>
To:     Lakshmi Yadlapati <lakshmiy@...ibm.com>, robh+dt@...nel.org,
        linux@...ck-us.net, jdelvare@...e.com,
        krzysztof.kozlowski+dt@...aro.org, joel@....id.au, andrew@...id.au,
        eajames@...ux.ibm.com
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        linux-kernel@...r.kernel.org, linux-hwmon@...r.kernel.org,
        devicetree@...r.kernel.org, Lakshmi Yadlapati <lakshmiy@...ibm.com>
Subject: Re: [PATCH v2 3/5] hwmon: (pmbus/acbel-crps) Add Acbel CRPS power
 supply driver

Hi Lakshmi,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on groeck-staging/hwmon-next]
[also build test WARNING on robh/for-next linus/master v6.3-rc3 next-20230321]
[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/Lakshmi-Yadlapati/dt-bindings-vendor-prefixes-Add-prefix-for-acbel/20230320-235222
base:   https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next
patch link:    https://lore.kernel.org/r/20230320154019.1943770-4-lakshmiy%40us.ibm.com
patch subject: [PATCH v2 3/5] hwmon: (pmbus/acbel-crps) Add Acbel CRPS power supply driver
config: riscv-randconfig-c006-20230319 (https://download.01.org/0day-ci/archive/20230321/202303211303.U8Ip4xDC-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 67409911353323ca5edf2049ef0df54132fa1ca7)
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 riscv cross compiling tool for clang build
        # apt-get install binutils-riscv64-linux-gnu
        # https://github.com/intel-lab-lkp/linux/commit/d873cbdc9f171b066c3f6f6c2a39736e168ad19f
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Lakshmi-Yadlapati/dt-bindings-vendor-prefixes-Add-prefix-for-acbel/20230320-235222
        git checkout d873cbdc9f171b066c3f6f6c2a39736e168ad19f
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/hwmon/pmbus/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303211303.U8Ip4xDC-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/hwmon/pmbus/acbel-crps.c:24:37: warning: unused variable 'acbel_crps_fops' [-Wunused-const-variable]
   static const struct file_operations acbel_crps_fops = {
                                       ^
   1 warning generated.


vim +/acbel_crps_fops +24 drivers/hwmon/pmbus/acbel-crps.c

    23	
  > 24	static const struct file_operations acbel_crps_fops = {
    25		.llseek = noop_llseek,
    26		.open = simple_open,
    27	};
    28	

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