Hi Waqar, kernel test robot noticed the following build errors: [auto build test ERROR on 3f01e9fed8454dcd89727016c3e5b2fbb8f8e50c] url: https://github.com/intel-lab-lkp/linux/commits/Waqar-Hameed/dt-bindings-iio-proximity-Add-Murata-IRS-D200/20230718-203520 base: 3f01e9fed8454dcd89727016c3e5b2fbb8f8e50c patch link: https://lore.kernel.org/r/39cfb5b9f58e26a9b348a03743d250249983ed35.1689683411.git.waqar.hameed%40axis.com patch subject: [PATCH v3 3/3] iio: Add driver for Murata IRS-D200 config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20230719/202307190824.LNgDNyW1-lkp@xxxxxxxxx/config) compiler: sh4-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230719/202307190824.LNgDNyW1-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202307190824.LNgDNyW1-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/iio/proximity/irsd200.c: In function 'irsd200_irq_thread': >> drivers/iio/proximity/irsd200.c:705:17: error: implicit declaration of function 'iio_trigger_poll_chained'; did you mean 'iio_trigger_poll_nested'? [-Werror=implicit-function-declaration] 705 | iio_trigger_poll_chained(indio_dev->trig); | ^~~~~~~~~~~~~~~~~~~~~~~~ | iio_trigger_poll_nested cc1: some warnings being treated as errors vim +705 drivers/iio/proximity/irsd200.c 676 677 static irqreturn_t irsd200_irq_thread(int irq, void *dev_id) 678 { 679 struct iio_dev *indio_dev = dev_id; 680 struct irsd200_data *data = iio_priv(indio_dev); 681 enum iio_event_direction dir; 682 unsigned int lower_count; 683 unsigned int upper_count; 684 unsigned int status = 0; 685 unsigned int source = 0; 686 unsigned int clear = 0; 687 unsigned int count = 0; 688 int ret; 689 690 ret = regmap_read(data->regmap, IRS_REG_INTR, &source); 691 if (ret) { 692 dev_err(data->dev, "Could not read interrupt source (%d)\n", 693 ret); 694 return IRQ_HANDLED; 695 } 696 697 ret = regmap_read(data->regmap, IRS_REG_STATUS, &status); 698 if (ret) { 699 dev_err(data->dev, "Could not acknowledge interrupt (%d)\n", 700 ret); 701 return IRQ_HANDLED; 702 } 703 704 if (status & BIT(IRS_INTR_DATA) && iio_buffer_enabled(indio_dev)) { > 705 iio_trigger_poll_chained(indio_dev->trig); 706 clear |= BIT(IRS_INTR_DATA); 707 } 708 709 if (status & BIT(IRS_INTR_COUNT_THR_OR) && 710 source & BIT(IRS_INTR_COUNT_THR_OR)) { 711 /* 712 * The register value resets to zero after reading. We therefore 713 * need to read once and manually extract the lower and upper 714 * count register fields. 715 */ 716 ret = regmap_read(data->regmap, IRS_REG_COUNT, &count); 717 if (ret) 718 dev_err(data->dev, "Could not read count (%d)\n", ret); 719 720 upper_count = IRS_UPPER_COUNT(count); 721 lower_count = IRS_LOWER_COUNT(count); 722 723 /* 724 * We only check the OR mode to be able to push events for 725 * rising and falling thresholds. AND mode is covered when both 726 * upper and lower count is non-zero, and is signaled with 727 * IIO_EV_DIR_EITHER. 728 */ 729 if (upper_count && !lower_count) 730 dir = IIO_EV_DIR_RISING; 731 else if (!upper_count && lower_count) 732 dir = IIO_EV_DIR_FALLING; 733 else 734 dir = IIO_EV_DIR_EITHER; 735 736 iio_push_event(indio_dev, 737 IIO_UNMOD_EVENT_CODE(IIO_PROXIMITY, 0, 738 IIO_EV_TYPE_THRESH, dir), 739 iio_get_time_ns(indio_dev)); 740 741 /* 742 * The OR mode will always trigger when the AND mode does, but 743 * not vice versa. However, it seems like the AND bit needs to 744 * be cleared if data capture _and_ threshold count interrupts 745 * are desirable, even though it hasn't explicitly been selected 746 * (with IRS_REG_INTR). Either way, it doesn't hurt... 747 */ 748 clear |= BIT(IRS_INTR_COUNT_THR_OR) | 749 BIT(IRS_INTR_COUNT_THR_AND); 750 } 751 752 if (clear) { 753 ret = regmap_write(data->regmap, IRS_REG_STATUS, clear); 754 if (ret) 755 dev_err(data->dev, 756 "Could not clear interrupt status (%d)\n", ret); 757 } 758 759 return clear ? IRQ_HANDLED : IRQ_NONE; 760 } 761 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki