drivers/power/supply/ab8500_fg.c:2243:75: warning: variable 'b' set but not used

From: kernel test robot
Date: Tue Jan 18 2022 - 06:15:22 EST

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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: e3a8b6a1e70c37702054ae3c7c07ed828435d8ee
commit: 2a5f41830aadc2d7f4145eae49381133da5df2a3 power: supply: ab8500: Standardize voltages
date: 8 weeks ago
config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20220118/202201181843.hXuoA1vS-lkp@xxxxxxxxx/config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0
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
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2a5f41830aadc2d7f4145eae49381133da5df2a3
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 2a5f41830aadc2d7f4145eae49381133da5df2a3
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm SHELL=/bin/bash drivers/power/supply/ drivers/usb/gadget/udc/

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

All warnings (new ones prefixed by >>):

drivers/power/supply/ab8500_fg.c: In function 'ab8500_fg_get_ext_psy_data':
>> drivers/power/supply/ab8500_fg.c:2243:75: warning: variable 'b' set but not used [-Wunused-but-set-variable]
2243 | const struct ab8500_battery_type *b;
| ^

vim +/b +2243 drivers/power/supply/ab8500_fg.c

13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2167
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2168 static int ab8500_fg_get_ext_psy_data(struct device *dev, void *data)
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2169 {
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2170 struct power_supply *psy;
ea32cea140f644 drivers/power/ab8500_fg.c Andy Shevchenko 2016-03-17 2171 struct power_supply *ext = dev_get_drvdata(dev);
ea32cea140f644 drivers/power/ab8500_fg.c Andy Shevchenko 2016-03-17 2172 const char **supplicants = (const char **)ext->supplied_to;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2173 struct ab8500_fg *di;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2174 union power_supply_propval ret;
ea32cea140f644 drivers/power/ab8500_fg.c Andy Shevchenko 2016-03-17 2175 int j;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2176
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2177 psy = (struct power_supply *)data;
297d716f6260cc drivers/power/ab8500_fg.c Krzysztof Kozlowski 2015-03-12 2178 di = power_supply_get_drvdata(psy);
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2179
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2180 /*
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2181 * For all psy where the name of your driver
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2182 * appears in any supplied_to
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2183 */
ea32cea140f644 drivers/power/ab8500_fg.c Andy Shevchenko 2016-03-17 2184 j = match_string(supplicants, ext->num_supplicants, psy->desc->name);
ea32cea140f644 drivers/power/ab8500_fg.c Andy Shevchenko 2016-03-17 2185 if (j < 0)
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2186 return 0;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2187
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2188 /* Go through all properties for the psy */
297d716f6260cc drivers/power/ab8500_fg.c Krzysztof Kozlowski 2015-03-12 2189 for (j = 0; j < ext->desc->num_properties; j++) {
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2190 enum power_supply_property prop;
297d716f6260cc drivers/power/ab8500_fg.c Krzysztof Kozlowski 2015-03-12 2191 prop = ext->desc->properties[j];
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2192
15077fc1f78488 drivers/power/ab8500_fg.c Krzysztof Kozlowski 2015-03-12 2193 if (power_supply_get_property(ext, prop, &ret))
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2194 continue;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2195
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2196 switch (prop) {
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2197 case POWER_SUPPLY_PROP_STATUS:
297d716f6260cc drivers/power/ab8500_fg.c Krzysztof Kozlowski 2015-03-12 2198 switch (ext->desc->type) {
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2199 case POWER_SUPPLY_TYPE_BATTERY:
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2200 switch (ret.intval) {
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2201 case POWER_SUPPLY_STATUS_UNKNOWN:
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2202 case POWER_SUPPLY_STATUS_DISCHARGING:
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2203 case POWER_SUPPLY_STATUS_NOT_CHARGING:
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2204 if (!di->flags.charging)
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2205 break;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2206 di->flags.charging = false;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2207 di->flags.fully_charged = false;
ea4024017831d6 drivers/power/ab8500_fg.c Marcus Cooper 2013-01-11 2208 if (di->bm->capacity_scaling)
ea4024017831d6 drivers/power/ab8500_fg.c Marcus Cooper 2013-01-11 2209 ab8500_fg_update_cap_scalers(di);
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2210 queue_work(di->fg_wq, &di->fg_work);
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2211 break;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2212 case POWER_SUPPLY_STATUS_FULL:
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2213 if (di->flags.fully_charged)
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2214 break;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2215 di->flags.fully_charged = true;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2216 di->flags.force_full = true;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2217 /* Save current capacity as maximum */
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2218 di->bat_cap.max_mah = di->bat_cap.mah;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2219 queue_work(di->fg_wq, &di->fg_work);
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2220 break;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2221 case POWER_SUPPLY_STATUS_CHARGING:
ea4024017831d6 drivers/power/ab8500_fg.c Marcus Cooper 2013-01-11 2222 if (di->flags.charging &&
ea4024017831d6 drivers/power/ab8500_fg.c Marcus Cooper 2013-01-11 2223 !di->flags.fully_charged)
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2224 break;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2225 di->flags.charging = true;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2226 di->flags.fully_charged = false;
ea4024017831d6 drivers/power/ab8500_fg.c Marcus Cooper 2013-01-11 2227 if (di->bm->capacity_scaling)
ea4024017831d6 drivers/power/ab8500_fg.c Marcus Cooper 2013-01-11 2228 ab8500_fg_update_cap_scalers(di);
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2229 queue_work(di->fg_wq, &di->fg_work);
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2230 break;
c6ef5234efc076 drivers/power/supply/ab8500_fg.c Ma Feng 2019-12-19 2231 }
b51883d47d37c3 drivers/power/supply/ab8500_fg.c Gustavo A. R. Silva 2021-07-13 2232 break;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2233 default:
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2234 break;
c6ef5234efc076 drivers/power/supply/ab8500_fg.c Ma Feng 2019-12-19 2235 }
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2236 break;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2237 case POWER_SUPPLY_PROP_TECHNOLOGY:
297d716f6260cc drivers/power/ab8500_fg.c Krzysztof Kozlowski 2015-03-12 2238 switch (ext->desc->type) {
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2239 case POWER_SUPPLY_TYPE_BATTERY:
1a793a10899487 drivers/power/ab8500_fg.c Rajkumar Kasirajan 2012-05-30 2240 if (!di->flags.batt_id_received &&
2d3559a50ad6d2 drivers/power/supply/ab8500_fg.c Linus Walleij 2021-11-20 2241 (di->bm->bi.technology !=
e5dff305ab5c53 drivers/power/supply/ab8500_fg.c Linus Walleij 2021-11-20 2242 POWER_SUPPLY_TECHNOLOGY_UNKNOWN)) {
484a9cc3dcb867 drivers/power/supply/ab8500_fg.c Linus Walleij 2021-07-13 @2243 const struct ab8500_battery_type *b;
c34a61b4e7a996 drivers/power/ab8500_fg.c Anton Vorontsov 2012-03-14 2244
e5dff305ab5c53 drivers/power/supply/ab8500_fg.c Linus Walleij 2021-11-20 2245 b = di->bm->bat_type;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2246
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2247 di->flags.batt_id_received = true;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2248
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2249 di->bat_cap.max_mah_design =
22be8d77c80dca drivers/power/supply/ab8500_fg.c Linus Walleij 2021-11-20 2250 di->bm->bi.charge_full_design_uah;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2251
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2252 di->bat_cap.max_mah =
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2253 di->bat_cap.max_mah_design;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2254
2a5f41830aadc2 drivers/power/supply/ab8500_fg.c Linus Walleij 2021-11-20 2255 di->vbat_nom_uv =
2a5f41830aadc2 drivers/power/supply/ab8500_fg.c Linus Walleij 2021-11-20 2256 di->bm->bi.voltage_max_design_uv;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2257 }
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2258
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2259 if (ret.intval)
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2260 di->flags.batt_unknown = false;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2261 else
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2262 di->flags.batt_unknown = true;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2263 break;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2264 default:
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2265 break;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2266 }
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2267 break;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2268 case POWER_SUPPLY_PROP_TEMP:
297d716f6260cc drivers/power/ab8500_fg.c Krzysztof Kozlowski 2015-03-12 2269 switch (ext->desc->type) {
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2270 case POWER_SUPPLY_TYPE_BATTERY:
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2271 if (di->flags.batt_id_received)
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2272 di->bat_temp = ret.intval;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2273 break;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2274 default:
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2275 break;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2276 }
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2277 break;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2278 default:
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2279 break;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2280 }
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2281 }
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2282 return 0;
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2283 }
13151631b5bd06 drivers/power/ab8500_fg.c Arun Murthy 2012-02-29 2284

:::::: The code at line 2243 was first introduced by commit
:::::: 484a9cc3dcb867813fca62f6443c1e77a1ae3c27 power: supply: ab8500: Drop abx500 concept

:::::: TO: Linus Walleij <linus.walleij@xxxxxxxxxx>
:::::: CC: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx>

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

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