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Message-ID: <202409271341.0dhpXk7G-lkp@intel.com>
Date: Fri, 27 Sep 2024 14:00:40 +0800
From: kernel test robot <lkp@...el.com>
To: Petar Stoykov <pd.pstoykov@...il.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
Jonathan Cameron <Jonathan.Cameron@...wei.com>
Subject: drivers/iio/pressure/sdp500.c:130:undefined reference to
`crc8_populate_msb'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 075dbe9f6e3c21596c5245826a4ee1f1c1676eb8
commit: 6ddb86d93cc08c00eccc1a14980f7260e4fbe2bc iio: pressure: Add driver for Sensirion SDP500
date: 8 weeks ago
config: sh-randconfig-r054-20240801 (https://download.01.org/0day-ci/archive/20240927/202409271341.0dhpXk7G-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 13.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240927/202409271341.0dhpXk7G-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/202409271341.0dhpXk7G-lkp@intel.com/
All errors (new ones prefixed by >>):
sh4-linux-ld: drivers/iio/pressure/sdp500.o: in function `sdp500_probe':
>> drivers/iio/pressure/sdp500.c:130:(.text+0xe8): undefined reference to `crc8_populate_msb'
sh4-linux-ld: drivers/iio/pressure/sdp500.o: in function `sdp500_read_raw':
>> drivers/iio/pressure/sdp500.c:74:(.text+0x200): undefined reference to `crc8'
vim +130 drivers/iio/pressure/sdp500.c
40
41 static int sdp500_read_raw(struct iio_dev *indio_dev,
42 struct iio_chan_spec const *chan,
43 int *val, int *val2, long mask)
44 {
45 int ret;
46 u8 rxbuf[SDP500_READ_SIZE];
47 u8 received_crc, calculated_crc;
48 struct sdp500_data *data = iio_priv(indio_dev);
49 struct i2c_client *client = to_i2c_client(data->dev);
50
51 switch (mask) {
52 case IIO_CHAN_INFO_RAW:
53 ret = i2c_master_recv(client, rxbuf, SDP500_READ_SIZE);
54 if (ret < 0) {
55 dev_err(data->dev, "Failed to receive data");
56 return ret;
57 }
58 if (ret != SDP500_READ_SIZE) {
59 dev_err(data->dev, "Data is received wrongly");
60 return -EIO;
61 }
62
63 received_crc = rxbuf[2];
64 calculated_crc = crc8(sdp500_crc8_table, rxbuf,
65 sizeof(rxbuf) - 1, 0x00);
66 if (received_crc != calculated_crc) {
67 dev_err(data->dev,
68 "calculated crc = 0x%.2X, received 0x%.2X",
69 calculated_crc, received_crc);
70 return -EIO;
71 }
72
73 *val = get_unaligned_be16(rxbuf);
> 74 return IIO_VAL_INT;
75 case IIO_CHAN_INFO_SCALE:
76 *val = 1;
77 *val2 = 60;
78
79 return IIO_VAL_FRACTIONAL;
80 default:
81 return -EINVAL;
82 }
83 }
84
85 static const struct iio_info sdp500_info = {
86 .read_raw = &sdp500_read_raw,
87 };
88
89 static int sdp500_probe(struct i2c_client *client)
90 {
91 struct iio_dev *indio_dev;
92 struct sdp500_data *data;
93 struct device *dev = &client->dev;
94 int ret;
95 u8 rxbuf[SDP500_READ_SIZE];
96
97 ret = devm_regulator_get_enable(dev, "vdd");
98 if (ret)
99 return dev_err_probe(dev, ret,
100 "Failed to get and enable regulator\n");
101
102 indio_dev = devm_iio_device_alloc(dev, sizeof(*data));
103 if (!indio_dev)
104 return -ENOMEM;
105
106 /* has to be done before the first i2c communication */
107 crc8_populate_msb(sdp500_crc8_table, SDP500_CRC8_POLYNOMIAL);
108
109 data = iio_priv(indio_dev);
110 data->dev = dev;
111
112 indio_dev->name = "sdp500";
113 indio_dev->channels = sdp500_channels;
114 indio_dev->info = &sdp500_info;
115 indio_dev->modes = INDIO_DIRECT_MODE;
116 indio_dev->num_channels = ARRAY_SIZE(sdp500_channels);
117
118 ret = sdp500_start_measurement(data);
119 if (ret)
120 return dev_err_probe(dev, ret, "Failed to start measurement");
121
122 /* First measurement is not correct, read it out to get rid of it */
123 i2c_master_recv(client, rxbuf, SDP500_READ_SIZE);
124
125 ret = devm_iio_device_register(dev, indio_dev);
126 if (ret)
127 return dev_err_probe(dev, ret, "Failed to register indio_dev");
128
129 return 0;
> 130 }
131
--
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