linux-kernel - Re: [PATCH v8 2/2] power: supply: bq256xx: Introduce the BQ256XX charger driver

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Date:   Tue, 5 Jan 2021 11:24:18 +0800
From:   kernel test robot <lkp@...el.com>
To:     Ricardo Rivera-Matos <r-rivera-matos@...com>, sre@...nel.org,
        robh+dt@...nel.org, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        dmurphy@...com, Ricardo Rivera-Matos <r-rivera-matos@...com>
Subject: Re: [PATCH v8 2/2] power: supply: bq256xx: Introduce the BQ256XX
 charger driver

Hi Ricardo,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on power-supply/for-next]
[also build test WARNING on robh/for-next v5.11-rc2 next-20210104]
[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]

url:    https://github.com/0day-ci/linux/commits/Ricardo-Rivera-Matos/Introduce-the-BQ256XX-family-of-chargers/20210105-043028
base:   https://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply.git for-next
config: powerpc64-randconfig-r034-20210105 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 5c951623bc8965fa1e89660f2f5f4a2944e4981a)
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 powerpc64 cross compiling tool for clang build
        # apt-get install binutils-powerpc64-linux-gnu
        # https://github.com/0day-ci/linux/commit/82436c2c6d99c4effb187bbd09b47c4dc59a1f3d
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Ricardo-Rivera-Matos/Introduce-the-BQ256XX-family-of-chargers/20210105-043028
        git checkout 82436c2c6d99c4effb187bbd09b47c4dc59a1f3d
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

   drivers/power/supply/bq256xx_charger.c:1644:29: warning: variable 'psy_cfg' is uninitialized when used here [-Wuninitialized]
           ret = bq256xx_parse_dt(bq, psy_cfg, dev);
                                      ^~~~~~~
   drivers/power/supply/bq256xx_charger.c:1618:37: note: initialize the variable 'psy_cfg' to silence this warning
           struct power_supply_config *psy_cfg;
                                              ^
                                               = NULL
>> drivers/power/supply/bq256xx_charger.c:1720:36: warning: unused variable 'bq256xx_acpi_match' [-Wunused-const-variable]
   static const struct acpi_device_id bq256xx_acpi_match[] = {
                                      ^
   2 warnings generated.


vim +/bq256xx_acpi_match +1720 drivers/power/supply/bq256xx_charger.c

  1719	
> 1720	static const struct acpi_device_id bq256xx_acpi_match[] = {
  1721		{ "bq25600", BQ25600 },
  1722		{ "bq25600d", BQ25600D },
  1723		{ "bq25601", BQ25601 },
  1724		{ "bq25601d", BQ25601D },
  1725		{ "bq25611d", BQ25611D },
  1726		{ "bq25618", BQ25618 },
  1727		{ "bq25619", BQ25619 },
  1728		{},
  1729	};
  1730	MODULE_DEVICE_TABLE(acpi, bq256xx_acpi_match);
  1731	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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