Hi Jyoti, I love your patch! Perhaps something to improve:
[auto build test WARNING on iio/togreg] [also build test WARNING on linus/master sparc-next/master v5.11-rc6 next-20210125] [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/Jyoti-Bhayana/Adding-support-for-IIO-SCMI-based-sensors/20210209-072954 base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg config: arm64-allyesconfig (attached as .config) compiler: aarch64-linux-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/90744ef17921050ddb26b5c750ba690a2e3e222e git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Jyoti-Bhayana/Adding-support-for-IIO-SCMI-based-sensors/20210209-072954 git checkout 90744ef17921050ddb26b5c750ba690a2e3e222e # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> All warnings (new ones prefixed by >>): >> drivers/iio/common/scmi_sensors/scmi_iio.c:537:17: warning: no previous >> prototype for 'scmi_alloc_iiodev' [-Wmissing-prototypes] 537 | struct iio_dev *scmi_alloc_iiodev(struct device *dev, | ^~~~~~~~~~~~~~~~~ vim +/scmi_alloc_iiodev +537 drivers/iio/common/scmi_sensors/scmi_iio.c 536 > 537 struct iio_dev *scmi_alloc_iiodev(struct device *dev, 538 struct scmi_handle *handle, 539 const struct scmi_sensor_info *sensor_info) 540 { 541 struct iio_chan_spec *iio_channels; 542 struct scmi_iio_priv *sensor; 543 enum iio_modifier modifier; 544 enum iio_chan_type type; 545 struct iio_dev *iiodev; 546 int i, ret; 547 548 iiodev = devm_iio_device_alloc(dev, sizeof(*sensor)); 549 if (!iiodev) 550 return ERR_PTR(-ENOMEM); 551 552 iiodev->modes = INDIO_DIRECT_MODE; 553 iiodev->dev.parent = dev; 554 sensor = iio_priv(iiodev); 555 sensor->handle = handle; 556 sensor->sensor_info = sensor_info; 557 sensor->sensor_update_nb.notifier_call = scmi_iio_sensor_update_cb; 558 sensor->indio_dev = iiodev; 559 560 /* adding one additional channel for timestamp */ 561 iiodev->num_channels = sensor_info->num_axis + 1; 562 iiodev->name = sensor_info->name; 563 iiodev->info = &scmi_iio_info; 564 565 iio_channels = 566 devm_kzalloc(dev, 567 sizeof(*iio_channels) * (iiodev->num_channels), 568 GFP_KERNEL); 569 if (!iio_channels) 570 return ERR_PTR(-ENOMEM); 571 572 scmi_iio_set_sampling_freq_avail(iiodev); 573 574 for (i = 0; i < sensor_info->num_axis; i++) { 575 ret = scmi_iio_get_chan_type(sensor_info->axis[i].type, &type); 576 if (ret < 0) 577 return ERR_PTR(ret); 578 579 ret = scmi_iio_get_chan_modifier(sensor_info->axis[i].name, 580 &modifier); 581 if (ret < 0) 582 return ERR_PTR(ret); 583 584 scmi_iio_set_data_channel(&iio_channels[i], type, modifier, 585 sensor_info->axis[i].id); 586 } 587 588 scmi_iio_set_timestamp_channel(&iio_channels[i], i); 589 iiodev->channels = iio_channels; 590 return iiodev; 591 } 592 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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