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SubjectRe: [PATCH] iio: adc: ad7887: invert/rework external ref logic
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

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