Extern or forward variable declaration at include/linux/power_supply.h, line 459 References: drivers/power/supply/ab8500_btemp.c, line 926 drivers/power/supply/ab8500_charger.c, line 1933 drivers/power/supply/ab8500_fg.c, line 2385 drivers/power/supply/abx500_chargalg.c, line 1294 drivers/power/supply/power_supply_core.c, line 27 drivers/power/supply/power_supply_core.c, line 28 drivers/power/supply/power_supply_core.c, line 95 drivers/power/supply/power_supply_core.c, line 189 drivers/power/supply/power_supply_core.c, line 224 drivers/power/supply/power_supply_core.c, line 332 drivers/power/supply/power_supply_core.c, line 364 drivers/power/supply/power_supply_core.c, line 407 drivers/power/supply/power_supply_core.c, line 454 drivers/power/supply/power_supply_core.c, line 511 drivers/power/supply/power_supply_core.c, line 1121 drivers/power/supply/power_supply_core.c, line 1364 drivers/power/supply/power_supply_core.c, line 1366 drivers/power/supply/power_supply_core.c, line 1367 drivers/power/supply/power_supply_core.c, line 1369 drivers/power/supply/power_supply_core.c, line 1377 include/linux/power_supply.h, line 459