Message ID | 20201001141143.925-1-alexandru.ardelean@analog.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | iio: adc: ad7887: invert/rework external ref logic | expand |
Hi Alexandru,
I love your patch! Yet something to improve:
[auto build test ERROR on iio/togreg]
[also build test ERROR on linux/master linus/master v5.9-rc7 next-20201001]
[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/Alexandru-Ardelean/iio-adc-ad7887-invert-rework-external-ref-logic/20201001-220829
base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
config: c6x-randconfig-r034-20200930 (attached as .config)
compiler: c6x-elf-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/0day-ci/linux/commit/98dbf5fa747aac2e245826d8c6cd34b087aeaa27
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Alexandru-Ardelean/iio-adc-ad7887-invert-rework-external-ref-logic/20201001-220829
git checkout 98dbf5fa747aac2e245826d8c6cd34b087aeaa27
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=c6x
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
drivers/iio/adc/ad7887.c: In function 'ad7887_probe':
>> drivers/iio/adc/ad7887.c:276:22: error: 'struct ad7887_platform_data' has no member named 'use_onchip_ref'
276 | if (!pdata || !pdata->use_onchip_ref)
| ^~
vim +276 drivers/iio/adc/ad7887.c
6fe8135fccd66ae drivers/staging/iio/adc/ad7887_core.c Jonathan Cameron 2011-05-18 234
fc52692c49969ec drivers/iio/adc/ad7887.c Greg Kroah-Hartman 2012-12-21 235 static int ad7887_probe(struct spi_device *spi)
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 236 {
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 237 struct ad7887_platform_data *pdata = spi->dev.platform_data;
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 238 struct ad7887_state *st;
82429e0d33ece55 drivers/iio/adc/ad7887.c Sachin Kamat 2013-07-23 239 struct iio_dev *indio_dev;
fce7c3eac7d4ca7 drivers/staging/iio/adc/ad7887.c Lars-Peter Clausen 2012-11-05 240 uint8_t mode;
bf5d2613c9083b8 drivers/staging/iio/adc/ad7887_core.c Lars-Peter Clausen 2012-11-05 241 int ret;
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 242
82429e0d33ece55 drivers/iio/adc/ad7887.c Sachin Kamat 2013-07-23 243 indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
f39e086adcbdb95 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2011-05-18 244 if (indio_dev == NULL)
f39e086adcbdb95 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2011-05-18 245 return -ENOMEM;
f39e086adcbdb95 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2011-05-18 246
f39e086adcbdb95 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2011-05-18 247 st = iio_priv(indio_dev);
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 248
98dbf5fa747aac2 drivers/iio/adc/ad7887.c Alexandru Ardelean 2020-10-01 249 st->reg = devm_regulator_get_optional(&spi->dev, "vref");
98dbf5fa747aac2 drivers/iio/adc/ad7887.c Alexandru Ardelean 2020-10-01 250 if (IS_ERR(st->reg)) {
98dbf5fa747aac2 drivers/iio/adc/ad7887.c Alexandru Ardelean 2020-10-01 251 if (PTR_ERR(st->reg) != -ENODEV)
82429e0d33ece55 drivers/iio/adc/ad7887.c Sachin Kamat 2013-07-23 252 return PTR_ERR(st->reg);
bf5d2613c9083b8 drivers/staging/iio/adc/ad7887_core.c Lars-Peter Clausen 2012-11-05 253
98dbf5fa747aac2 drivers/iio/adc/ad7887.c Alexandru Ardelean 2020-10-01 254 st->reg = NULL;
98dbf5fa747aac2 drivers/iio/adc/ad7887.c Alexandru Ardelean 2020-10-01 255 }
98dbf5fa747aac2 drivers/iio/adc/ad7887.c Alexandru Ardelean 2020-10-01 256
98dbf5fa747aac2 drivers/iio/adc/ad7887.c Alexandru Ardelean 2020-10-01 257 if (st->reg) {
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 258 ret = regulator_enable(st->reg);
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 259 if (ret)
82429e0d33ece55 drivers/iio/adc/ad7887.c Sachin Kamat 2013-07-23 260 return ret;
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 261 }
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 262
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 263 st->chip_info =
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 264 &ad7887_chip_info_tbl[spi_get_device_id(spi)->driver_data];
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 265
f39e086adcbdb95 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2011-05-18 266 spi_set_drvdata(spi, indio_dev);
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 267 st->spi = spi;
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 268
f39e086adcbdb95 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2011-05-18 269 indio_dev->name = spi_get_device_id(spi)->name;
6fe8135fccd66ae drivers/staging/iio/adc/ad7887_core.c Jonathan Cameron 2011-05-18 270 indio_dev->info = &ad7887_info;
f39e086adcbdb95 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2011-05-18 271 indio_dev->modes = INDIO_DIRECT_MODE;
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 272
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 273 /* Setup default message */
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 274
fce7c3eac7d4ca7 drivers/staging/iio/adc/ad7887.c Lars-Peter Clausen 2012-11-05 275 mode = AD7887_PM_MODE4;
fce7c3eac7d4ca7 drivers/staging/iio/adc/ad7887.c Lars-Peter Clausen 2012-11-05 @276 if (!pdata || !pdata->use_onchip_ref)
fce7c3eac7d4ca7 drivers/staging/iio/adc/ad7887.c Lars-Peter Clausen 2012-11-05 277 mode |= AD7887_REF_DIS;
fce7c3eac7d4ca7 drivers/staging/iio/adc/ad7887.c Lars-Peter Clausen 2012-11-05 278 if (pdata && pdata->en_dual)
fce7c3eac7d4ca7 drivers/staging/iio/adc/ad7887.c Lars-Peter Clausen 2012-11-05 279 mode |= AD7887_DUAL;
fce7c3eac7d4ca7 drivers/staging/iio/adc/ad7887.c Lars-Peter Clausen 2012-11-05 280
fce7c3eac7d4ca7 drivers/staging/iio/adc/ad7887.c Lars-Peter Clausen 2012-11-05 281 st->tx_cmd_buf[0] = AD7887_CH_AIN0 | mode;
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 282
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 283 st->xfer[0].rx_buf = &st->data[0];
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 284 st->xfer[0].tx_buf = &st->tx_cmd_buf[0];
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 285 st->xfer[0].len = 2;
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 286
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 287 spi_message_init(&st->msg[AD7887_CH0]);
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 288 spi_message_add_tail(&st->xfer[0], &st->msg[AD7887_CH0]);
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 289
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 290 if (pdata && pdata->en_dual) {
fce7c3eac7d4ca7 drivers/staging/iio/adc/ad7887.c Lars-Peter Clausen 2012-11-05 291 st->tx_cmd_buf[2] = AD7887_CH_AIN1 | mode;
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 292
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 293 st->xfer[1].rx_buf = &st->data[0];
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 294 st->xfer[1].tx_buf = &st->tx_cmd_buf[2];
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 295 st->xfer[1].len = 2;
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 296
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 297 st->xfer[2].rx_buf = &st->data[2];
fce7c3eac7d4ca7 drivers/staging/iio/adc/ad7887.c Lars-Peter Clausen 2012-11-05 298 st->xfer[2].tx_buf = &st->tx_cmd_buf[0];
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 299 st->xfer[2].len = 2;
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 300
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 301 spi_message_init(&st->msg[AD7887_CH0_CH1]);
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 302 spi_message_add_tail(&st->xfer[1], &st->msg[AD7887_CH0_CH1]);
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 303 spi_message_add_tail(&st->xfer[2], &st->msg[AD7887_CH0_CH1]);
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 304
fce7c3eac7d4ca7 drivers/staging/iio/adc/ad7887.c Lars-Peter Clausen 2012-11-05 305 st->xfer[3].rx_buf = &st->data[2];
fce7c3eac7d4ca7 drivers/staging/iio/adc/ad7887.c Lars-Peter Clausen 2012-11-05 306 st->xfer[3].tx_buf = &st->tx_cmd_buf[2];
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 307 st->xfer[3].len = 2;
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 308
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 309 spi_message_init(&st->msg[AD7887_CH1]);
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 310 spi_message_add_tail(&st->xfer[3], &st->msg[AD7887_CH1]);
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 311
b0ec7a44393e0d7 drivers/iio/adc/ad7887.c Beniamin Bia 2019-11-25 312 indio_dev->channels = st->chip_info->dual_channels;
b0ec7a44393e0d7 drivers/iio/adc/ad7887.c Beniamin Bia 2019-11-25 313 indio_dev->num_channels = st->chip_info->num_dual_channels;
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 314 } else {
b0ec7a44393e0d7 drivers/iio/adc/ad7887.c Beniamin Bia 2019-11-25 315 indio_dev->channels = st->chip_info->channels;
b0ec7a44393e0d7 drivers/iio/adc/ad7887.c Beniamin Bia 2019-11-25 316 indio_dev->num_channels = st->chip_info->num_channels;
596d06097f7843e drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2011-05-18 317 }
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 318
65dd3d3d7a9bca6 drivers/staging/iio/adc/ad7887.c Lars-Peter Clausen 2012-11-05 319 ret = iio_triggered_buffer_setup(indio_dev, &iio_pollfunc_store_time,
65dd3d3d7a9bca6 drivers/staging/iio/adc/ad7887.c Lars-Peter Clausen 2012-11-05 320 &ad7887_trigger_handler, &ad7887_ring_setup_ops);
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 321 if (ret)
f39e086adcbdb95 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2011-05-18 322 goto error_disable_reg;
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 323
26d25ae3f0d8ffe drivers/staging/iio/adc/ad7887_core.c Jonathan Cameron 2011-09-02 324 ret = iio_device_register(indio_dev);
26d25ae3f0d8ffe drivers/staging/iio/adc/ad7887_core.c Jonathan Cameron 2011-09-02 325 if (ret)
26d25ae3f0d8ffe drivers/staging/iio/adc/ad7887_core.c Jonathan Cameron 2011-09-02 326 goto error_unregister_ring;
26d25ae3f0d8ffe drivers/staging/iio/adc/ad7887_core.c Jonathan Cameron 2011-09-02 327
26d25ae3f0d8ffe drivers/staging/iio/adc/ad7887_core.c Jonathan Cameron 2011-09-02 328 return 0;
26d25ae3f0d8ffe drivers/staging/iio/adc/ad7887_core.c Jonathan Cameron 2011-09-02 329 error_unregister_ring:
65dd3d3d7a9bca6 drivers/staging/iio/adc/ad7887.c Lars-Peter Clausen 2012-11-05 330 iio_triggered_buffer_cleanup(indio_dev);
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 331 error_disable_reg:
bf5d2613c9083b8 drivers/staging/iio/adc/ad7887_core.c Lars-Peter Clausen 2012-11-05 332 if (st->reg)
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 333 regulator_disable(st->reg);
f39e086adcbdb95 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2011-05-18 334
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 335 return ret;
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 336 }
2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 337
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
On Fri, Oct 2, 2020 at 1:47 AM kernel test robot <lkp@intel.com> wrote: > > Hi Alexandru, > > I love your patch! Yet something to improve: > > [auto build test ERROR on iio/togreg] > [also build test ERROR on linux/master linus/master v5.9-rc7 next-20201001] > [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/Alexandru-Ardelean/iio-adc-ad7887-invert-rework-external-ref-logic/20201001-220829 > base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg > config: c6x-randconfig-r034-20200930 (attached as .config) > compiler: c6x-elf-gcc (GCC) 9.3.0 > reproduce (this is a W=1 build): > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # https://github.com/0day-ci/linux/commit/98dbf5fa747aac2e245826d8c6cd34b087aeaa27 > git remote add linux-review https://github.com/0day-ci/linux > git fetch --no-tags linux-review Alexandru-Ardelean/iio-adc-ad7887-invert-rework-external-ref-logic/20201001-220829 > git checkout 98dbf5fa747aac2e245826d8c6cd34b087aeaa27 > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=c6x > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@intel.com> > > All errors (new ones prefixed by >>): > > drivers/iio/adc/ad7887.c: In function 'ad7887_probe': > >> drivers/iio/adc/ad7887.c:276:22: error: 'struct ad7887_platform_data' has no member named 'use_onchip_ref' > 276 | if (!pdata || !pdata->use_onchip_ref) > | ^~ > oh, i really did miss part; another day of too much multi-tasking > vim +276 drivers/iio/adc/ad7887.c > > 6fe8135fccd66ae drivers/staging/iio/adc/ad7887_core.c Jonathan Cameron 2011-05-18 234 > fc52692c49969ec drivers/iio/adc/ad7887.c Greg Kroah-Hartman 2012-12-21 235 static int ad7887_probe(struct spi_device *spi) > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 236 { > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 237 struct ad7887_platform_data *pdata = spi->dev.platform_data; > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 238 struct ad7887_state *st; > 82429e0d33ece55 drivers/iio/adc/ad7887.c Sachin Kamat 2013-07-23 239 struct iio_dev *indio_dev; > fce7c3eac7d4ca7 drivers/staging/iio/adc/ad7887.c Lars-Peter Clausen 2012-11-05 240 uint8_t mode; > bf5d2613c9083b8 drivers/staging/iio/adc/ad7887_core.c Lars-Peter Clausen 2012-11-05 241 int ret; > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 242 > 82429e0d33ece55 drivers/iio/adc/ad7887.c Sachin Kamat 2013-07-23 243 indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st)); > f39e086adcbdb95 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2011-05-18 244 if (indio_dev == NULL) > f39e086adcbdb95 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2011-05-18 245 return -ENOMEM; > f39e086adcbdb95 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2011-05-18 246 > f39e086adcbdb95 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2011-05-18 247 st = iio_priv(indio_dev); > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 248 > 98dbf5fa747aac2 drivers/iio/adc/ad7887.c Alexandru Ardelean 2020-10-01 249 st->reg = devm_regulator_get_optional(&spi->dev, "vref"); > 98dbf5fa747aac2 drivers/iio/adc/ad7887.c Alexandru Ardelean 2020-10-01 250 if (IS_ERR(st->reg)) { > 98dbf5fa747aac2 drivers/iio/adc/ad7887.c Alexandru Ardelean 2020-10-01 251 if (PTR_ERR(st->reg) != -ENODEV) > 82429e0d33ece55 drivers/iio/adc/ad7887.c Sachin Kamat 2013-07-23 252 return PTR_ERR(st->reg); > bf5d2613c9083b8 drivers/staging/iio/adc/ad7887_core.c Lars-Peter Clausen 2012-11-05 253 > 98dbf5fa747aac2 drivers/iio/adc/ad7887.c Alexandru Ardelean 2020-10-01 254 st->reg = NULL; > 98dbf5fa747aac2 drivers/iio/adc/ad7887.c Alexandru Ardelean 2020-10-01 255 } > 98dbf5fa747aac2 drivers/iio/adc/ad7887.c Alexandru Ardelean 2020-10-01 256 > 98dbf5fa747aac2 drivers/iio/adc/ad7887.c Alexandru Ardelean 2020-10-01 257 if (st->reg) { > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 258 ret = regulator_enable(st->reg); > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 259 if (ret) > 82429e0d33ece55 drivers/iio/adc/ad7887.c Sachin Kamat 2013-07-23 260 return ret; > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 261 } > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 262 > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 263 st->chip_info = > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 264 &ad7887_chip_info_tbl[spi_get_device_id(spi)->driver_data]; > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 265 > f39e086adcbdb95 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2011-05-18 266 spi_set_drvdata(spi, indio_dev); > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 267 st->spi = spi; > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 268 > f39e086adcbdb95 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2011-05-18 269 indio_dev->name = spi_get_device_id(spi)->name; > 6fe8135fccd66ae drivers/staging/iio/adc/ad7887_core.c Jonathan Cameron 2011-05-18 270 indio_dev->info = &ad7887_info; > f39e086adcbdb95 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2011-05-18 271 indio_dev->modes = INDIO_DIRECT_MODE; > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 272 > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 273 /* Setup default message */ > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 274 > fce7c3eac7d4ca7 drivers/staging/iio/adc/ad7887.c Lars-Peter Clausen 2012-11-05 275 mode = AD7887_PM_MODE4; > fce7c3eac7d4ca7 drivers/staging/iio/adc/ad7887.c Lars-Peter Clausen 2012-11-05 @276 if (!pdata || !pdata->use_onchip_ref) > fce7c3eac7d4ca7 drivers/staging/iio/adc/ad7887.c Lars-Peter Clausen 2012-11-05 277 mode |= AD7887_REF_DIS; > fce7c3eac7d4ca7 drivers/staging/iio/adc/ad7887.c Lars-Peter Clausen 2012-11-05 278 if (pdata && pdata->en_dual) > fce7c3eac7d4ca7 drivers/staging/iio/adc/ad7887.c Lars-Peter Clausen 2012-11-05 279 mode |= AD7887_DUAL; > fce7c3eac7d4ca7 drivers/staging/iio/adc/ad7887.c Lars-Peter Clausen 2012-11-05 280 > fce7c3eac7d4ca7 drivers/staging/iio/adc/ad7887.c Lars-Peter Clausen 2012-11-05 281 st->tx_cmd_buf[0] = AD7887_CH_AIN0 | mode; > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 282 > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 283 st->xfer[0].rx_buf = &st->data[0]; > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 284 st->xfer[0].tx_buf = &st->tx_cmd_buf[0]; > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 285 st->xfer[0].len = 2; > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 286 > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 287 spi_message_init(&st->msg[AD7887_CH0]); > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 288 spi_message_add_tail(&st->xfer[0], &st->msg[AD7887_CH0]); > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 289 > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 290 if (pdata && pdata->en_dual) { > fce7c3eac7d4ca7 drivers/staging/iio/adc/ad7887.c Lars-Peter Clausen 2012-11-05 291 st->tx_cmd_buf[2] = AD7887_CH_AIN1 | mode; > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 292 > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 293 st->xfer[1].rx_buf = &st->data[0]; > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 294 st->xfer[1].tx_buf = &st->tx_cmd_buf[2]; > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 295 st->xfer[1].len = 2; > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 296 > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 297 st->xfer[2].rx_buf = &st->data[2]; > fce7c3eac7d4ca7 drivers/staging/iio/adc/ad7887.c Lars-Peter Clausen 2012-11-05 298 st->xfer[2].tx_buf = &st->tx_cmd_buf[0]; > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 299 st->xfer[2].len = 2; > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 300 > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 301 spi_message_init(&st->msg[AD7887_CH0_CH1]); > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 302 spi_message_add_tail(&st->xfer[1], &st->msg[AD7887_CH0_CH1]); > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 303 spi_message_add_tail(&st->xfer[2], &st->msg[AD7887_CH0_CH1]); > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 304 > fce7c3eac7d4ca7 drivers/staging/iio/adc/ad7887.c Lars-Peter Clausen 2012-11-05 305 st->xfer[3].rx_buf = &st->data[2]; > fce7c3eac7d4ca7 drivers/staging/iio/adc/ad7887.c Lars-Peter Clausen 2012-11-05 306 st->xfer[3].tx_buf = &st->tx_cmd_buf[2]; > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 307 st->xfer[3].len = 2; > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 308 > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 309 spi_message_init(&st->msg[AD7887_CH1]); > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 310 spi_message_add_tail(&st->xfer[3], &st->msg[AD7887_CH1]); > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 311 > b0ec7a44393e0d7 drivers/iio/adc/ad7887.c Beniamin Bia 2019-11-25 312 indio_dev->channels = st->chip_info->dual_channels; > b0ec7a44393e0d7 drivers/iio/adc/ad7887.c Beniamin Bia 2019-11-25 313 indio_dev->num_channels = st->chip_info->num_dual_channels; > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 314 } else { > b0ec7a44393e0d7 drivers/iio/adc/ad7887.c Beniamin Bia 2019-11-25 315 indio_dev->channels = st->chip_info->channels; > b0ec7a44393e0d7 drivers/iio/adc/ad7887.c Beniamin Bia 2019-11-25 316 indio_dev->num_channels = st->chip_info->num_channels; > 596d06097f7843e drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2011-05-18 317 } > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 318 > 65dd3d3d7a9bca6 drivers/staging/iio/adc/ad7887.c Lars-Peter Clausen 2012-11-05 319 ret = iio_triggered_buffer_setup(indio_dev, &iio_pollfunc_store_time, > 65dd3d3d7a9bca6 drivers/staging/iio/adc/ad7887.c Lars-Peter Clausen 2012-11-05 320 &ad7887_trigger_handler, &ad7887_ring_setup_ops); > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 321 if (ret) > f39e086adcbdb95 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2011-05-18 322 goto error_disable_reg; > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 323 > 26d25ae3f0d8ffe drivers/staging/iio/adc/ad7887_core.c Jonathan Cameron 2011-09-02 324 ret = iio_device_register(indio_dev); > 26d25ae3f0d8ffe drivers/staging/iio/adc/ad7887_core.c Jonathan Cameron 2011-09-02 325 if (ret) > 26d25ae3f0d8ffe drivers/staging/iio/adc/ad7887_core.c Jonathan Cameron 2011-09-02 326 goto error_unregister_ring; > 26d25ae3f0d8ffe drivers/staging/iio/adc/ad7887_core.c Jonathan Cameron 2011-09-02 327 > 26d25ae3f0d8ffe drivers/staging/iio/adc/ad7887_core.c Jonathan Cameron 2011-09-02 328 return 0; > 26d25ae3f0d8ffe drivers/staging/iio/adc/ad7887_core.c Jonathan Cameron 2011-09-02 329 error_unregister_ring: > 65dd3d3d7a9bca6 drivers/staging/iio/adc/ad7887.c Lars-Peter Clausen 2012-11-05 330 iio_triggered_buffer_cleanup(indio_dev); > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 331 error_disable_reg: > bf5d2613c9083b8 drivers/staging/iio/adc/ad7887_core.c Lars-Peter Clausen 2012-11-05 332 if (st->reg) > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 333 regulator_disable(st->reg); > f39e086adcbdb95 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2011-05-18 334 > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 335 return ret; > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 336 } > 2b4756aa36909a9 drivers/staging/iio/adc/ad7887_core.c Michael Hennerich 2010-11-22 337 > > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
diff --git a/drivers/iio/adc/ad7887.c b/drivers/iio/adc/ad7887.c index 037bcb47693c..9b32b1f43c34 100644 --- a/drivers/iio/adc/ad7887.c +++ b/drivers/iio/adc/ad7887.c @@ -246,11 +246,15 @@ static int ad7887_probe(struct spi_device *spi) st = iio_priv(indio_dev); - if (!pdata || !pdata->use_onchip_ref) { - st->reg = devm_regulator_get(&spi->dev, "vref"); - if (IS_ERR(st->reg)) + st->reg = devm_regulator_get_optional(&spi->dev, "vref"); + if (IS_ERR(st->reg)) { + if (PTR_ERR(st->reg) != -ENODEV) return PTR_ERR(st->reg); + st->reg = NULL; + } + + if (st->reg) { ret = regulator_enable(st->reg); if (ret) return ret; diff --git a/include/linux/platform_data/ad7887.h b/include/linux/platform_data/ad7887.h index 732af46b2d16..9b4dca6ae70b 100644 --- a/include/linux/platform_data/ad7887.h +++ b/include/linux/platform_data/ad7887.h @@ -13,13 +13,9 @@ * second input channel, and Vref is internally connected to Vdd. If set to * false the device is used in single channel mode and AIN1/Vref is used as * VREF input. - * @use_onchip_ref: Whether to use the onchip reference. If set to true the - * internal 2.5V reference is used. If set to false a external reference is - * used. */ struct ad7887_platform_data { bool en_dual; - bool use_onchip_ref; }; #endif /* IIO_ADC_AD7887_H_ */
This change inverts/reworks the logic to use an external reference via a provided regulator. Now the driver tries to obtain a regulator. If one is found, then it is used. The rest of the driver logic already checks if there is a non-NULL reference to a regulator, so it should be fine. Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> --- drivers/iio/adc/ad7887.c | 10 +++++++--- include/linux/platform_data/ad7887.h | 4 ---- 2 files changed, 7 insertions(+), 7 deletions(-)