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Message-ID: <202509262005.y59poUS9-lkp@intel.com>
Date: Fri, 26 Sep 2025 20:43:34 +0800
From: kernel test robot <lkp@...el.com>
To: Antoni Pokusinski <apokusinski01@...il.com>, jic23@...nel.org,
dlechner@...libre.com, nuno.sa@...log.com, andy@...nel.org,
robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
linux-iio@...r.kernel.org, linux@...ck-us.net,
rodrigo.gobbi.7@...il.com, naresh.solanki@...ements.com,
michal.simek@....com, grantpeltier93@...il.com,
farouk.bouabid@...rry.de, marcelo.schmitt1@...il.com,
Antoni Pokusinski <apokusinski01@...il.com>
Subject: Re: [PATCH v2 4/4] iio: mpl3115: add support for sampling frequency
Hi Antoni,
kernel test robot noticed the following build errors:
[auto build test ERROR on jic23-iio/togreg]
[also build test ERROR on robh/for-next linus/master v6.17-rc7 next-20250925]
[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/Antoni-Pokusinski/dt-bindings-iio-pressure-add-binding-for-mpl3115/20250926-044905
base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
patch link: https://lore.kernel.org/r/20250925204538.63723-5-apokusinski01%40gmail.com
patch subject: [PATCH v2 4/4] iio: mpl3115: add support for sampling frequency
config: i386-buildonly-randconfig-001-20250926 (https://download.01.org/0day-ci/archive/20250926/202509262005.y59poUS9-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250926/202509262005.y59poUS9-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/202509262005.y59poUS9-lkp@intel.com/
All errors (new ones prefixed by >>):
>> drivers/iio/pressure/mpl3115.c:204:9: error: call to undeclared function 'FIELD_GET'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
204 | ret = FIELD_GET(MPL3115_CTRL2_ST, ret);
| ^
>> drivers/iio/pressure/mpl3115.c:249:6: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
249 | FIELD_PREP(MPL3115_CTRL2_ST, i));
| ^
2 errors generated.
vim +/FIELD_GET +204 drivers/iio/pressure/mpl3115.c
169
170 static int mpl3115_read_raw(struct iio_dev *indio_dev,
171 struct iio_chan_spec const *chan,
172 int *val, int *val2, long mask)
173 {
174 struct mpl3115_data *data = iio_priv(indio_dev);
175 int ret;
176
177 switch (mask) {
178 case IIO_CHAN_INFO_RAW:
179 if (!iio_device_claim_direct(indio_dev))
180 return -EBUSY;
181
182 ret = mpl3115_read_info_raw(data, chan, val);
183 iio_device_release_direct(indio_dev);
184 return ret;
185
186 case IIO_CHAN_INFO_SCALE:
187 switch (chan->type) {
188 case IIO_PRESSURE:
189 *val = 0;
190 *val2 = 250; /* want kilopascal */
191 return IIO_VAL_INT_PLUS_MICRO;
192 case IIO_TEMP:
193 *val = 0;
194 *val2 = 62500;
195 return IIO_VAL_INT_PLUS_MICRO;
196 default:
197 return -EINVAL;
198 }
199 case IIO_CHAN_INFO_SAMP_FREQ:
200 ret = i2c_smbus_read_byte_data(data->client, MPL3115_CTRL_REG2);
201 if (ret < 0)
202 return ret;
203
> 204 ret = FIELD_GET(MPL3115_CTRL2_ST, ret);
205
206 *val = mpl3115_samp_freq_table[ret][0];
207 *val2 = mpl3115_samp_freq_table[ret][1];
208 return IIO_VAL_INT_PLUS_MICRO;
209 }
210 return -EINVAL;
211 }
212
213 static int mpl3115_read_avail(struct iio_dev *indio_dev,
214 struct iio_chan_spec const *chan,
215 const int **vals, int *type, int *length,
216 long mask)
217 {
218 if (mask != IIO_CHAN_INFO_SAMP_FREQ)
219 return -EINVAL;
220
221 *type = IIO_VAL_INT_PLUS_MICRO;
222 *length = ARRAY_SIZE(mpl3115_samp_freq_table) * 2;
223 *vals = (int *)mpl3115_samp_freq_table;
224 return IIO_AVAIL_LIST;
225 }
226
227 static int mpl3115_write_raw(struct iio_dev *indio_dev,
228 const struct iio_chan_spec *chan,
229 int val, int val2, long mask)
230 {
231 struct mpl3115_data *data = iio_priv(indio_dev);
232 int i, ret;
233
234 if (mask != IIO_CHAN_INFO_SAMP_FREQ)
235 return -EINVAL;
236
237 for (i = 0; i < ARRAY_SIZE(mpl3115_samp_freq_table); i++)
238 if (val == mpl3115_samp_freq_table[i][0] &&
239 val2 == mpl3115_samp_freq_table[i][1])
240 break;
241
242 if (i == ARRAY_SIZE(mpl3115_samp_freq_table))
243 return -EINVAL;
244
245 if (!iio_device_claim_direct(indio_dev))
246 return -EBUSY;
247
248 ret = i2c_smbus_write_byte_data(data->client, MPL3115_CTRL_REG2,
> 249 FIELD_PREP(MPL3115_CTRL2_ST, i));
250 iio_device_release_direct(indio_dev);
251 return ret;
252 }
253
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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