Re: [PATCH 4/4] power: supply: Add driver for pm8916 lbc

From: kernel test robot
Date: Sat Jul 29 2023 - 01:29:31 EST


Hi Nikita,

kernel test robot noticed the following build warnings:

[auto build test WARNING on d7b3af5a77e8d8da28f435f313e069aea5bcf172]

url: https://github.com/intel-lab-lkp/linux/commits/Nikita-Travkin/dt-bindings-power-supply-Add-pm8916-VM-BMS/20230729-013044
base: d7b3af5a77e8d8da28f435f313e069aea5bcf172
patch link: https://lore.kernel.org/r/20230728-pm8916-bms-lbc-v1-4-56da32467487%40trvn.ru
patch subject: [PATCH 4/4] power: supply: Add driver for pm8916 lbc
config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20230729/202307291336.Zxmj8R1g-lkp@xxxxxxxxx/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce: (https://download.01.org/0day-ci/archive/20230729/202307291336.Zxmj8R1g-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202307291336.Zxmj8R1g-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

drivers/power/supply/pm8916_lbc.c: In function 'pm8916_lbc_charger_get_property':
>> drivers/power/supply/pm8916_lbc.c:130:22: warning: unused variable 'tmp' [-Wunused-variable]
130 | unsigned int tmp;
| ^~~
>> drivers/power/supply/pm8916_lbc.c:129:13: warning: unused variable 'ret' [-Wunused-variable]
129 | int ret = 0;
| ^~~


vim +/tmp +130 drivers/power/supply/pm8916_lbc.c

123
124 static int pm8916_lbc_charger_get_property(struct power_supply *psy,
125 enum power_supply_property psp,
126 union power_supply_propval *val)
127 {
128 struct pm8916_lbc_charger *chg = power_supply_get_drvdata(psy);
> 129 int ret = 0;
> 130 unsigned int tmp;
131
132 switch (psp) {
133 case POWER_SUPPLY_PROP_ONLINE:
134 val->intval = chg->online;
135 return 0;
136
137 case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX:
138 val->intval = chg->charge_voltage_max;
139 return 0;
140
141 case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT:
142 val->intval = chg->charge_current_max;
143 return 0;
144
145 default:
146 return -EINVAL;
147 };
148 }
149

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