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Message-ID: <202107271937.8vfzyty1-lkp@intel.com>
Date: Tue, 27 Jul 2021 19:45:46 +0800
From: kernel test robot <lkp@...el.com>
To: Puranjay Mohan <puranjay12@...il.com>,
Michael.Hennerich@...log.com, alexandru.ardelean@...log.com,
jic23@...nel.org, devicetree@...r.kernel.org,
linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
lars@...afoo.de, Dragos.Bogdan@...log.com, Darius.Berghe@...log.com
Cc: kbuild-all@...ts.01.org, Puranjay Mohan <puranjay12@...il.com>
Subject: Re: [PATCH v4 2/2] iio: accel: Add driver support for ADXL355
Hi Puranjay,
I love your patch! Perhaps something to improve:
[auto build test WARNING on iio/togreg]
[also build test WARNING on linus/master v5.14-rc3 next-20210726]
[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]
url: https://github.com/0day-ci/linux/commits/Puranjay-Mohan/iio-accel-add-support-for-ADXL355/20210727-131822
base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
config: openrisc-randconfig-s031-20210727 (attached as .config)
compiler: or1k-linux-gcc (GCC) 10.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.3-341-g8af24329-dirty
# https://github.com/0day-ci/linux/commit/a0ad8ce87d3d3357c64f98bec48b75d07b961da8
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Puranjay-Mohan/iio-accel-add-support-for-ADXL355/20210727-131822
git checkout a0ad8ce87d3d3357c64f98bec48b75d07b961da8
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=openrisc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
sparse warnings: (new ones prefixed by >>)
>> drivers/iio/accel/adxl355_core.c:204:16: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be32 [usertype] regval @@ got int @@
drivers/iio/accel/adxl355_core.c:204:16: sparse: expected restricted __be32 [usertype] regval
drivers/iio/accel/adxl355_core.c:204:16: sparse: got int
>> drivers/iio/accel/adxl355_core.c:341:29: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be16 [usertype] out @@ got int @@
drivers/iio/accel/adxl355_core.c:341:29: sparse: expected restricted __be16 [usertype] out
drivers/iio/accel/adxl355_core.c:341:29: sparse: got int
vim +204 drivers/iio/accel/adxl355_core.c
195
196 static int adxl355_read_axis(struct adxl355_data *data, u8 addr)
197 {
198 __be32 regval;
199 int ret;
200
201 ret = regmap_bulk_read(data->regmap, addr, data->transf_buf, 3);
202 if (ret < 0)
203 return ret;
> 204 regval = data->transf_buf[0] + (data->transf_buf[1] << 8)
205 + (data->transf_buf[2] << 16);
206
207 return be32_to_cpu(regval) >> 8;
208 }
209
210 static int adxl355_find_match(const int (*freq_tbl)[2], const int n,
211 const int val, const int val2)
212 {
213 int i;
214
215 for (i = 0; i < n; i++) {
216 if (freq_tbl[i][0] == val && freq_tbl[i][1] == val2)
217 return i;
218 }
219
220 return -EINVAL;
221 }
222
223 static int adxl355_set_odr(struct adxl355_data *data,
224 enum adxl355_odr odr)
225 {
226 int ret = 0;
227
228 mutex_lock(&data->lock);
229
230 if (data->odr == odr)
231 goto out_unlock;
232
233 ret = adxl355_set_op_mode(data, ADXL355_STANDBY);
234 if (ret < 0)
235 goto out_unlock;
236
237 ret = regmap_update_bits(data->regmap, ADXL355_FILTER,
238 ADXL355_FILTER_ODR_MSK,
239 FIELD_PREP(ADXL355_FILTER_ODR_MSK, odr));
240 if (ret < 0)
241 goto out_unlock;
242
243 data->odr = odr;
244 adxl355_fill_3db_frequency_table(data);
245
246 out_unlock:
247 ret = adxl355_set_op_mode(data, ADXL355_MEASUREMENT);
248 mutex_unlock(&data->lock);
249 return ret;
250 }
251
252 static int adxl355_set_hpf_3db(struct adxl355_data *data,
253 enum adxl355_hpf_3db hpf)
254 {
255 int ret = 0;
256
257 mutex_lock(&data->lock);
258
259 if (data->hpf_3db == hpf)
260 goto out_unlock;
261
262 ret = adxl355_set_op_mode(data, ADXL355_STANDBY);
263 if (ret < 0)
264 goto out_unlock;
265
266 ret = regmap_update_bits(data->regmap, ADXL355_FILTER,
267 ADXL355_FILTER_HPF_MSK,
268 FIELD_PREP(ADXL355_FILTER_HPF_MSK, hpf));
269 if (!ret)
270 data->hpf_3db = hpf;
271
272 out_unlock:
273 ret = adxl355_set_op_mode(data, ADXL355_MEASUREMENT);
274 mutex_unlock(&data->lock);
275 return ret;
276 }
277
278 static int adxl355_set_calibbias(struct adxl355_data *data,
279 int channel2, int calibbias)
280 {
281 int ret = 0;
282
283 data->transf_buf[0] = (calibbias >> 8) & 0xFF;
284 data->transf_buf[1] = calibbias & 0xFF;
285 data->transf_buf[2] = 0;
286
287 mutex_lock(&data->lock);
288
289 ret = adxl355_set_op_mode(data, ADXL355_STANDBY);
290 if (ret < 0)
291 goto out_unlock;
292
293 switch (channel2) {
294 case IIO_MOD_X:
295 ret = regmap_bulk_write(data->regmap, ADXL355_OFFSET_X_H,
296 data->transf_buf, 2);
297 if (ret < 0)
298 goto out_unlock;
299 data->x_calibbias = calibbias;
300 break;
301 case IIO_MOD_Y:
302 ret = regmap_bulk_write(data->regmap, ADXL355_OFFSET_Y_H,
303 data->transf_buf, 2);
304 if (ret < 0)
305 goto out_unlock;
306 data->y_calibbias = calibbias;
307 break;
308 case IIO_MOD_Z:
309 ret = regmap_bulk_write(data->regmap, ADXL355_OFFSET_Z_H,
310 data->transf_buf, 2);
311 if (ret < 0)
312 goto out_unlock;
313 data->z_calibbias = calibbias;
314 break;
315 default:
316 ret = -EINVAL;
317 break;
318 }
319
320 out_unlock:
321 ret = adxl355_set_op_mode(data, ADXL355_MEASUREMENT);
322 mutex_unlock(&data->lock);
323 return ret;
324 }
325
326 static int adxl355_read_raw(struct iio_dev *indio_dev,
327 struct iio_chan_spec const *chan,
328 int *val, int *val2, long mask)
329 {
330 struct adxl355_data *data = iio_priv(indio_dev);
331 int ret;
332 __be16 out;
333
334 switch (mask) {
335 case IIO_CHAN_INFO_RAW:
336 switch (chan->type) {
337 case IIO_TEMP:
338 ret = adxl355_get_temp_data(data, chan->address);
339 if (ret < 0)
340 return ret;
> 341 out = (data->transf_buf[1] << 8) + data->transf_buf[0];
342 *val = be16_to_cpu(out);
343
344 return IIO_VAL_INT;
345 case IIO_ACCEL:
346 ret = adxl355_read_axis(data, chan->address);
347 if (ret < 0)
348 return ret;
349 *val = sign_extend32(ret >> (chan->scan_type.shift),
350 chan->scan_type.realbits - 1);
351 return IIO_VAL_INT;
352 default:
353 return -EINVAL;
354 }
355
356 case IIO_CHAN_INFO_SCALE:
357 switch (chan->type) {
358 case IIO_TEMP:
359 *val = TEMP_SCALE_VAL;
360 *val2 = TEMP_SCALE_VAL2;
361 return IIO_VAL_INT_PLUS_MICRO;
362 case IIO_ACCEL:
363 *val = 0;
364 *val2 = ADXL355_NSCALE;
365 return IIO_VAL_INT_PLUS_NANO;
366 default:
367 return -EINVAL;
368 }
369 case IIO_CHAN_INFO_OFFSET:
370 *val = TEMP_OFFSET_VAL;
371 *val2 = TEMP_OFFSET_VAL2;
372 return IIO_VAL_INT_PLUS_MICRO;
373 case IIO_CHAN_INFO_CALIBBIAS:
374 if (chan->channel2 == IIO_MOD_X)
375 *val = data->x_calibbias;
376 else if (chan->channel2 == IIO_MOD_Y)
377 *val = data->y_calibbias;
378 else
379 *val = data->z_calibbias;
380 *val = sign_extend32(*val, 15);
381 return IIO_VAL_INT;
382 case IIO_CHAN_INFO_SAMP_FREQ:
383 *val = adxl355_odr_table[data->odr][0];
384 *val2 = adxl355_odr_table[data->odr][1];
385 return IIO_VAL_INT_PLUS_MICRO;
386 case IIO_CHAN_INFO_HIGH_PASS_FILTER_3DB_FREQUENCY:
387 *val = data->adxl355_hpf_3db_table[data->hpf_3db][0];
388 *val2 = data->adxl355_hpf_3db_table[data->hpf_3db][1];
389 return IIO_VAL_INT_PLUS_MICRO;
390 default:
391 return -EINVAL;
392 }
393 }
394
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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