CC: [email protected] CC: Linux Memory Management List <[email protected]> TO: "Ricardo Rivera-Matos" <[email protected]> CC: Sebastian Reichel <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 52a0bcb60e40f30211cb5cbbb0f582ec4e91d896 commit: 32e4978bb920d047fe5de3ea42d176f267c01f63 [1548/11541] power: supply: bq256xx: Introduce the BQ256XX charger driver :::::: branch date: 12 hours ago :::::: commit date: 6 weeks ago config: x86_64-randconfig-m001-20210215 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> Reported-by: Dan Carpenter <[email protected]> smatch warnings: drivers/power/supply/bq256xx_charger.c:1512 bq256xx_hw_init() error: buffer overflow 'bq256xx_watchdog_time' 8 <= 8 vim +/bq256xx_watchdog_time +1512 drivers/power/supply/bq256xx_charger.c 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1502 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1503 static int bq256xx_hw_init(struct bq256xx_device *bq) 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1504 { 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1505 struct power_supply_battery_info bat_info = { }; 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1506 int wd_reg_val = BQ256XX_WATCHDOG_DIS; 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1507 int ret = 0; 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1508 int i; 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1509 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1510 for (i = 0; i < BQ256XX_NUM_WD_VAL; i++) { 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1511 if (bq->watchdog_timer > bq256xx_watchdog_time[i] && 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 @1512 bq->watchdog_timer < bq256xx_watchdog_time[i + 1]) 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1513 wd_reg_val = i; 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1514 } 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1515 ret = regmap_update_bits(bq->regmap, BQ256XX_CHARGER_CONTROL_1, 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1516 BQ256XX_WATCHDOG_MASK, wd_reg_val << 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1517 BQ256XX_WDT_BIT_SHIFT); 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1518 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1519 ret = power_supply_get_battery_info(bq->charger, &bat_info); 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1520 if (ret) { 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1521 dev_warn(bq->dev, "battery info missing, default values will be applied\n"); 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1522 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1523 bat_info.constant_charge_current_max_ua = 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1524 bq->chip_info->bq256xx_def_ichg; 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1525 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1526 bat_info.constant_charge_voltage_max_uv = 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1527 bq->chip_info->bq256xx_def_vbatreg; 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1528 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1529 bat_info.precharge_current_ua = 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1530 bq->chip_info->bq256xx_def_iprechg; 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1531 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1532 bat_info.charge_term_current_ua = 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1533 bq->chip_info->bq256xx_def_iterm; 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1534 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1535 bq->init_data.ichg_max = 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1536 bq->chip_info->bq256xx_max_ichg; 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1537 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1538 bq->init_data.vbatreg_max = 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1539 bq->chip_info->bq256xx_max_vbatreg; 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1540 } else { 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1541 bq->init_data.ichg_max = 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1542 bat_info.constant_charge_current_max_ua; 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1543 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1544 bq->init_data.vbatreg_max = 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1545 bat_info.constant_charge_voltage_max_uv; 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1546 } 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1547 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1548 ret = bq->chip_info->bq256xx_set_vindpm(bq, bq->init_data.vindpm); 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1549 if (ret) 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1550 return ret; 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1551 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1552 ret = bq->chip_info->bq256xx_set_iindpm(bq, bq->init_data.iindpm); 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1553 if (ret) 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1554 return ret; 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1555 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1556 ret = bq->chip_info->bq256xx_set_ichg(bq, 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1557 bat_info.constant_charge_current_max_ua); 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1558 if (ret) 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1559 return ret; 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1560 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1561 ret = bq->chip_info->bq256xx_set_iprechg(bq, 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1562 bat_info.precharge_current_ua); 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1563 if (ret) 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1564 return ret; 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1565 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1566 ret = bq->chip_info->bq256xx_set_vbatreg(bq, 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1567 bat_info.constant_charge_voltage_max_uv); 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1568 if (ret) 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1569 return ret; 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1570 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1571 ret = bq->chip_info->bq256xx_set_iterm(bq, 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1572 bat_info.charge_term_current_ua); 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1573 if (ret) 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1574 return ret; 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1575 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1576 power_supply_put_battery_info(bq->charger, &bat_info); 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1577 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1578 return 0; 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1579 } 32e4978bb920d0 Ricardo Rivera-Matos 2021-01-06 1580 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
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