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Date: Wed, 27 Dec 2023 19:10:42 +0800
From: kernel test robot <lkp@...el.com>
To: Konrad Dybcio <konrad.dybcio@...aro.org>,
Bjorn Andersson <andersson@...nel.org>,
Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev,
Marijn Suijten <marijn.suijten@...ainline.org>,
linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: Re: [PATCH] regulator: qcom_smd: Keep one rpm handle for all vregs
Hi Konrad,
kernel test robot noticed the following build warnings:
[auto build test WARNING on 39676dfe52331dba909c617f213fdb21015c8d10]
url: https://github.com/intel-lab-lkp/linux/commits/Konrad-Dybcio/regulator-qcom_smd-Keep-one-rpm-handle-for-all-vregs/20231227-093153
base: 39676dfe52331dba909c617f213fdb21015c8d10
patch link: https://lore.kernel.org/r/20231227-topic-rpm_vreg_cleanup-v1-1-949da0864ac5%40linaro.org
patch subject: [PATCH] regulator: qcom_smd: Keep one rpm handle for all vregs
config: arc-randconfig-001-20231227 (https://download.01.org/0day-ci/archive/20231227/202312271812.C5jldM3L-lkp@intel.com/config)
compiler: arceb-elf-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231227/202312271812.C5jldM3L-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/202312271812.C5jldM3L-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/regulator/qcom_smd-regulator.c:1395: warning: Excess function parameter 'rpm' description in 'rpm_regulator_init_vreg'
vim +1395 drivers/regulator/qcom_smd-regulator.c
da65e367b67e15 Bjorn Andersson 2015-08-17 1379
14e2976fbabdac Konrad Dybcio 2021-12-30 1380 /**
14e2976fbabdac Konrad Dybcio 2021-12-30 1381 * rpm_regulator_init_vreg() - initialize all attributes of a qcom_smd-regulator
14e2976fbabdac Konrad Dybcio 2021-12-30 1382 * @vreg: Pointer to the individual qcom_smd-regulator resource
14e2976fbabdac Konrad Dybcio 2021-12-30 1383 * @dev: Pointer to the top level qcom_smd-regulator PMIC device
14e2976fbabdac Konrad Dybcio 2021-12-30 1384 * @node: Pointer to the individual qcom_smd-regulator resource
14e2976fbabdac Konrad Dybcio 2021-12-30 1385 * device node
14e2976fbabdac Konrad Dybcio 2021-12-30 1386 * @rpm: Pointer to the rpm bus node
14e2976fbabdac Konrad Dybcio 2021-12-30 1387 * @pmic_rpm_data: Pointer to a null-terminated array of qcom_smd-regulator
14e2976fbabdac Konrad Dybcio 2021-12-30 1388 * resources defined for the top level PMIC device
14e2976fbabdac Konrad Dybcio 2021-12-30 1389 *
14e2976fbabdac Konrad Dybcio 2021-12-30 1390 * Return: 0 on success, errno on failure
14e2976fbabdac Konrad Dybcio 2021-12-30 1391 */
14e2976fbabdac Konrad Dybcio 2021-12-30 1392 static int rpm_regulator_init_vreg(struct qcom_rpm_reg *vreg, struct device *dev,
d7cdd450e31088 Konrad Dybcio 2023-12-27 1393 struct device_node *node,
14e2976fbabdac Konrad Dybcio 2021-12-30 1394 const struct rpm_regulator_data *pmic_rpm_data)
da65e367b67e15 Bjorn Andersson 2015-08-17 @1395 {
da65e367b67e15 Bjorn Andersson 2015-08-17 1396 struct regulator_config config = {};
14e2976fbabdac Konrad Dybcio 2021-12-30 1397 const struct rpm_regulator_data *rpm_data;
da65e367b67e15 Bjorn Andersson 2015-08-17 1398 struct regulator_dev *rdev;
14e2976fbabdac Konrad Dybcio 2021-12-30 1399 int ret;
14e2976fbabdac Konrad Dybcio 2021-12-30 1400
14e2976fbabdac Konrad Dybcio 2021-12-30 1401 for (rpm_data = pmic_rpm_data; rpm_data->name; rpm_data++)
14e2976fbabdac Konrad Dybcio 2021-12-30 1402 if (of_node_name_eq(node, rpm_data->name))
14e2976fbabdac Konrad Dybcio 2021-12-30 1403 break;
14e2976fbabdac Konrad Dybcio 2021-12-30 1404
14e2976fbabdac Konrad Dybcio 2021-12-30 1405 if (!rpm_data->name) {
14e2976fbabdac Konrad Dybcio 2021-12-30 1406 dev_err(dev, "Unknown regulator %pOFn\n", node);
14e2976fbabdac Konrad Dybcio 2021-12-30 1407 return -EINVAL;
14e2976fbabdac Konrad Dybcio 2021-12-30 1408 }
14e2976fbabdac Konrad Dybcio 2021-12-30 1409
14e2976fbabdac Konrad Dybcio 2021-12-30 1410 vreg->dev = dev;
14e2976fbabdac Konrad Dybcio 2021-12-30 1411 vreg->type = rpm_data->type;
14e2976fbabdac Konrad Dybcio 2021-12-30 1412 vreg->id = rpm_data->id;
14e2976fbabdac Konrad Dybcio 2021-12-30 1413
14e2976fbabdac Konrad Dybcio 2021-12-30 1414 memcpy(&vreg->desc, rpm_data->desc, sizeof(vreg->desc));
14e2976fbabdac Konrad Dybcio 2021-12-30 1415 vreg->desc.name = rpm_data->name;
14e2976fbabdac Konrad Dybcio 2021-12-30 1416 vreg->desc.supply_name = rpm_data->supply;
14e2976fbabdac Konrad Dybcio 2021-12-30 1417 vreg->desc.owner = THIS_MODULE;
14e2976fbabdac Konrad Dybcio 2021-12-30 1418 vreg->desc.type = REGULATOR_VOLTAGE;
14e2976fbabdac Konrad Dybcio 2021-12-30 1419 vreg->desc.of_match = rpm_data->name;
14e2976fbabdac Konrad Dybcio 2021-12-30 1420
14e2976fbabdac Konrad Dybcio 2021-12-30 1421 config.dev = dev;
14e2976fbabdac Konrad Dybcio 2021-12-30 1422 config.of_node = node;
14e2976fbabdac Konrad Dybcio 2021-12-30 1423 config.driver_data = vreg;
14e2976fbabdac Konrad Dybcio 2021-12-30 1424
14e2976fbabdac Konrad Dybcio 2021-12-30 1425 rdev = devm_regulator_register(dev, &vreg->desc, &config);
14e2976fbabdac Konrad Dybcio 2021-12-30 1426 if (IS_ERR(rdev)) {
14e2976fbabdac Konrad Dybcio 2021-12-30 1427 ret = PTR_ERR(rdev);
14e2976fbabdac Konrad Dybcio 2021-12-30 1428 dev_err(dev, "%pOFn: devm_regulator_register() failed, ret=%d\n", node, ret);
14e2976fbabdac Konrad Dybcio 2021-12-30 1429 return ret;
14e2976fbabdac Konrad Dybcio 2021-12-30 1430 }
14e2976fbabdac Konrad Dybcio 2021-12-30 1431
14e2976fbabdac Konrad Dybcio 2021-12-30 1432 return 0;
14e2976fbabdac Konrad Dybcio 2021-12-30 1433 }
14e2976fbabdac Konrad Dybcio 2021-12-30 1434
--
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