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Date: Mon, 31 Jul 2023 03:43:23 +0800
From: kernel test robot <lkp@...el.com>
To: Svyatoslav Ryhel <clamor95@...il.com>,
Iskren Chernev <me@...ren.info>,
Krzysztof Kozlowski <krzk@...nel.org>,
Marek Szyprowski <m.szyprowski@...sung.com>,
Matheus Castello <matheus@...tello.eng.br>,
Sebastian Reichel <sre@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 3/3] power: max17040: get thermal data from adc if
available
Hi Svyatoslav,
kernel test robot noticed the following build errors:
[auto build test ERROR on krzk-dt/for-next]
[also build test ERROR on linus/master v6.5-rc3 next-20230728]
[cannot apply to sre-power-supply/for-next]
[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#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Svyatoslav-Ryhel/dt-bindings-power-supply-maxim-max17040-update-properties/20230731-012920
base: https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-dt.git for-next
patch link: https://lore.kernel.org/r/20230730172648.71578-4-clamor95%40gmail.com
patch subject: [PATCH v2 3/3] power: max17040: get thermal data from adc if available
config: s390-randconfig-r044-20230731 (https://download.01.org/0day-ci/archive/20230731/202307310322.iEuhtMME-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce: (https://download.01.org/0day-ci/archive/20230731/202307310322.iEuhtMME-lkp@intel.com/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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202307310322.iEuhtMME-lkp@intel.com/
All errors (new ones prefixed by >>):
s390x-linux-ld: drivers/power/supply/max17040_battery.o: in function `max17040_probe':
>> drivers/power/supply/max17040_battery.c:483: undefined reference to `devm_iio_channel_get'
s390x-linux-ld: drivers/power/supply/max17040_battery.o: in function `max17040_get_property':
>> drivers/power/supply/max17040_battery.c:413: undefined reference to `iio_read_channel_processed_scale'
vim +483 drivers/power/supply/max17040_battery.c
385
386 static int max17040_get_property(struct power_supply *psy,
387 enum power_supply_property psp,
388 union power_supply_propval *val)
389 {
390 struct max17040_chip *chip = power_supply_get_drvdata(psy);
391
392 switch (psp) {
393 case POWER_SUPPLY_PROP_ONLINE:
394 case POWER_SUPPLY_PROP_PRESENT:
395 val->intval = max17040_get_online(chip);
396 break;
397 case POWER_SUPPLY_PROP_VOLTAGE_NOW:
398 val->intval = max17040_get_vcell(chip);
399 break;
400 case POWER_SUPPLY_PROP_CAPACITY:
401 val->intval = max17040_get_soc(chip);
402 break;
403 case POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN:
404 val->intval = chip->low_soc_alert;
405 break;
406 case POWER_SUPPLY_PROP_STATUS:
407 power_supply_get_property_from_supplier(psy, psp, val);
408 break;
409 case POWER_SUPPLY_PROP_TEMP:
410 if (!chip->channel_temp)
411 return -ENODATA;
412
> 413 iio_read_channel_processed_scale(chip->channel_temp,
414 &val->intval, 10);
415 break;
416 default:
417 return -EINVAL;
418 }
419 return 0;
420 }
421
422 static const struct regmap_config max17040_regmap = {
423 .reg_bits = 8,
424 .reg_stride = 2,
425 .val_bits = 16,
426 .val_format_endian = REGMAP_ENDIAN_BIG,
427 };
428
429 static enum power_supply_property max17040_battery_props[] = {
430 POWER_SUPPLY_PROP_ONLINE,
431 POWER_SUPPLY_PROP_PRESENT,
432 POWER_SUPPLY_PROP_VOLTAGE_NOW,
433 POWER_SUPPLY_PROP_CAPACITY,
434 POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN,
435 POWER_SUPPLY_PROP_STATUS,
436 POWER_SUPPLY_PROP_TEMP,
437 };
438
439 static const struct power_supply_desc max17040_battery_desc = {
440 .name = "battery",
441 .type = POWER_SUPPLY_TYPE_BATTERY,
442 .get_property = max17040_get_property,
443 .set_property = max17040_set_property,
444 .property_is_writeable = max17040_prop_writeable,
445 .properties = max17040_battery_props,
446 .num_properties = ARRAY_SIZE(max17040_battery_props),
447 };
448
449 static int max17040_probe(struct i2c_client *client)
450 {
451 const struct i2c_device_id *id = i2c_client_get_device_id(client);
452 struct i2c_adapter *adapter = client->adapter;
453 struct power_supply_config psy_cfg = {};
454 struct max17040_chip *chip;
455 enum chip_id chip_id;
456 bool enable_irq = false;
457 int ret;
458
459 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE))
460 return -EIO;
461
462 chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);
463 if (!chip)
464 return -ENOMEM;
465
466 chip->client = client;
467 chip->regmap = devm_regmap_init_i2c(client, &max17040_regmap);
468 if (IS_ERR(chip->regmap))
469 return PTR_ERR(chip->regmap);
470 chip_id = (enum chip_id) id->driver_data;
471 if (client->dev.of_node) {
472 ret = max17040_get_of_data(chip);
473 if (ret)
474 return ret;
475 chip_id = (uintptr_t)of_device_get_match_data(&client->dev);
476 }
477 chip->data = max17040_family[chip_id];
478
479 i2c_set_clientdata(client, chip);
480 psy_cfg.drv_data = chip;
481
482 /* Switch to devm_iio_channel_get_optional when available */
> 483 chip->channel_temp = devm_iio_channel_get(&client->dev, "temp");
484 if (IS_ERR(chip->channel_temp)) {
485 ret = PTR_ERR(chip->channel_temp);
486 if (ret != -ENODEV)
487 return dev_err_probe(&client->dev, PTR_ERR(chip->channel_temp),
488 "failed to get temp\n");
489 else
490 chip->channel_temp = NULL;
491 }
492
493 chip->battery = devm_power_supply_register(&client->dev,
494 &max17040_battery_desc, &psy_cfg);
495 if (IS_ERR(chip->battery)) {
496 dev_err(&client->dev, "failed: power supply register\n");
497 return PTR_ERR(chip->battery);
498 }
499
500 ret = max17040_get_version(chip);
501 if (ret < 0)
502 return ret;
503 dev_dbg(&chip->client->dev, "MAX17040 Fuel-Gauge Ver 0x%x\n", ret);
504
505 if (chip_id == ID_MAX17040 || chip_id == ID_MAX17041)
506 max17040_reset(chip);
507
508 max17040_set_rcomp(chip, chip->rcomp);
509
510 /* check interrupt */
511 if (client->irq && chip->data.has_low_soc_alert) {
512 ret = max17040_set_low_soc_alert(chip, chip->low_soc_alert);
513 if (ret) {
514 dev_err(&client->dev,
515 "Failed to set low SOC alert: err %d\n", ret);
516 return ret;
517 }
518
519 enable_irq = true;
520 }
521
522 if (client->irq && chip->data.has_soc_alert) {
523 ret = max17040_set_soc_alert(chip, 1);
524 if (ret) {
525 dev_err(&client->dev,
526 "Failed to set SOC alert: err %d\n", ret);
527 return ret;
528 }
529 enable_irq = true;
530 } else {
531 /* soc alerts negate the need for polling */
532 INIT_DEFERRABLE_WORK(&chip->work, max17040_work);
533 ret = devm_add_action(&client->dev, max17040_stop_work, chip);
534 if (ret)
535 return ret;
536 max17040_queue_work(chip);
537 }
538
539 if (enable_irq) {
540 ret = max17040_enable_alert_irq(chip);
541 if (ret) {
542 client->irq = 0;
543 dev_warn(&client->dev,
544 "Failed to get IRQ err %d\n", ret);
545 }
546 }
547
548 return 0;
549 }
550
--
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https://github.com/intel/lkp-tests/wiki
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