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Message-ID: <201910022132.qRNFfzjP%lkp@intel.com>
Date: Wed, 2 Oct 2019 21:06:36 +0800
From: kbuild test robot <lkp@...el.com>
To: Bartosz Golaszewski <brgl@...ev.pl>
Cc: kbuild-all@...org, Jonathan Cameron <jic23@...nel.org>,
Hartmut Knaack <knaack.h@....de>,
Lars-Peter Clausen <lars@...afoo.de>,
Peter Meerwald-Stadler <pmeerw@...erw.net>,
linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: Re: [PATCH 1/4] iio: pressure: bmp280: use bulk regulator ops
Hi Bartosz,
I love your patch! Yet something to improve:
[auto build test ERROR on iio/togreg]
[cannot apply to v5.4-rc1 next-20191002]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]
url: https://github.com/0day-ci/linux/commits/Bartosz-Golaszewski/iio-pressure-bmp280-code-shrink/20191002-194508
base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
config: sh-allmodconfig (attached as .config)
compiler: sh4-linux-gcc (GCC) 7.4.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=7.4.0 make.cross ARCH=sh
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
drivers/iio/pressure/bmp280-core.c: In function 'bmp280_common_probe':
>> drivers/iio/pressure/bmp280-core.c:1041:2: error: implicit declaration of function 'regulator_bulk_set_supply_names'; did you mean 'regulator_bulk_register_supply_alias'? [-Werror=implicit-function-declaration]
regulator_bulk_set_supply_names(data->supplies,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
regulator_bulk_register_supply_alias
cc1: some warnings being treated as errors
vim +1041 drivers/iio/pressure/bmp280-core.c
986
987 int bmp280_common_probe(struct device *dev,
988 struct regmap *regmap,
989 unsigned int chip,
990 const char *name,
991 int irq)
992 {
993 int ret;
994 struct iio_dev *indio_dev;
995 struct bmp280_data *data;
996 unsigned int chip_id;
997 struct gpio_desc *gpiod;
998
999 indio_dev = devm_iio_device_alloc(dev, sizeof(*data));
1000 if (!indio_dev)
1001 return -ENOMEM;
1002
1003 data = iio_priv(indio_dev);
1004 mutex_init(&data->lock);
1005 data->dev = dev;
1006
1007 indio_dev->dev.parent = dev;
1008 indio_dev->name = name;
1009 indio_dev->channels = bmp280_channels;
1010 indio_dev->info = &bmp280_info;
1011 indio_dev->modes = INDIO_DIRECT_MODE;
1012
1013 switch (chip) {
1014 case BMP180_CHIP_ID:
1015 indio_dev->num_channels = 2;
1016 data->chip_info = &bmp180_chip_info;
1017 data->oversampling_press = ilog2(8);
1018 data->oversampling_temp = ilog2(1);
1019 data->start_up_time = 10000;
1020 break;
1021 case BMP280_CHIP_ID:
1022 indio_dev->num_channels = 2;
1023 data->chip_info = &bmp280_chip_info;
1024 data->oversampling_press = ilog2(16);
1025 data->oversampling_temp = ilog2(2);
1026 data->start_up_time = 2000;
1027 break;
1028 case BME280_CHIP_ID:
1029 indio_dev->num_channels = 3;
1030 data->chip_info = &bme280_chip_info;
1031 data->oversampling_press = ilog2(16);
1032 data->oversampling_humid = ilog2(16);
1033 data->oversampling_temp = ilog2(2);
1034 data->start_up_time = 2000;
1035 break;
1036 default:
1037 return -EINVAL;
1038 }
1039
1040 /* Bring up regulators */
> 1041 regulator_bulk_set_supply_names(data->supplies,
1042 bmp280_supply_names,
1043 BMP280_NUM_SUPPLIES);
1044
1045 ret = devm_regulator_bulk_get(dev,
1046 BMP280_NUM_SUPPLIES, data->supplies);
1047 if (ret) {
1048 dev_err(dev, "failed to get regulators\n");
1049 return ret;
1050 }
1051
1052 ret = regulator_bulk_enable(BMP280_NUM_SUPPLIES, data->supplies);
1053 if (ret) {
1054 dev_err(dev, "failed to enable regulators\n");
1055 return ret;
1056 }
1057
1058 /* Wait to make sure we started up properly */
1059 usleep_range(data->start_up_time, data->start_up_time + 100);
1060
1061 /* Bring chip out of reset if there is an assigned GPIO line */
1062 gpiod = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
1063 /* Deassert the signal */
1064 if (!IS_ERR(gpiod)) {
1065 dev_info(dev, "release reset\n");
1066 gpiod_set_value(gpiod, 0);
1067 }
1068
1069 data->regmap = regmap;
1070 ret = regmap_read(regmap, BMP280_REG_ID, &chip_id);
1071 if (ret < 0)
1072 goto out_disable_regulators;
1073 if (chip_id != chip) {
1074 dev_err(dev, "bad chip id: expected %x got %x\n",
1075 chip, chip_id);
1076 ret = -EINVAL;
1077 goto out_disable_regulators;
1078 }
1079
1080 ret = data->chip_info->chip_config(data);
1081 if (ret < 0)
1082 goto out_disable_regulators;
1083
1084 dev_set_drvdata(dev, indio_dev);
1085
1086 /*
1087 * Some chips have calibration parameters "programmed into the devices'
1088 * non-volatile memory during production". Let's read them out at probe
1089 * time once. They will not change.
1090 */
1091 if (chip_id == BMP180_CHIP_ID) {
1092 ret = bmp180_read_calib(data, &data->calib.bmp180);
1093 if (ret < 0) {
1094 dev_err(data->dev,
1095 "failed to read calibration coefficients\n");
1096 goto out_disable_regulators;
1097 }
1098 } else if (chip_id == BMP280_CHIP_ID || chip_id == BME280_CHIP_ID) {
1099 ret = bmp280_read_calib(data, &data->calib.bmp280, chip_id);
1100 if (ret < 0) {
1101 dev_err(data->dev,
1102 "failed to read calibration coefficients\n");
1103 goto out_disable_regulators;
1104 }
1105 }
1106
1107 /*
1108 * Attempt to grab an optional EOC IRQ - only the BMP085 has this
1109 * however as it happens, the BMP085 shares the chip ID of BMP180
1110 * so we look for an IRQ if we have that.
1111 */
1112 if (irq > 0 || (chip_id == BMP180_CHIP_ID)) {
1113 ret = bmp085_fetch_eoc_irq(dev, name, irq, data);
1114 if (ret)
1115 goto out_disable_regulators;
1116 }
1117
1118 /* Enable runtime PM */
1119 pm_runtime_get_noresume(dev);
1120 pm_runtime_set_active(dev);
1121 pm_runtime_enable(dev);
1122 /*
1123 * Set autosuspend to two orders of magnitude larger than the
1124 * start-up time.
1125 */
1126 pm_runtime_set_autosuspend_delay(dev, data->start_up_time / 10);
1127 pm_runtime_use_autosuspend(dev);
1128 pm_runtime_put(dev);
1129
1130 ret = iio_device_register(indio_dev);
1131 if (ret)
1132 goto out_runtime_pm_disable;
1133
1134
1135 return 0;
1136
1137 out_runtime_pm_disable:
1138 pm_runtime_get_sync(data->dev);
1139 pm_runtime_put_noidle(data->dev);
1140 pm_runtime_disable(data->dev);
1141 out_disable_regulators:
1142 regulator_bulk_disable(BMP280_NUM_SUPPLIES, data->supplies);
1143 return ret;
1144 }
1145 EXPORT_SYMBOL(bmp280_common_probe);
1146
---
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