Hi Lothar, kernel test robot noticed the following build warnings: [auto build test WARNING on linus/master] [also build test WARNING on v6.13-rc1 next-20241203] [cannot apply to jic23-iio/togreg v6.13-rc1 v6.12 v6.12-rc7 next-20241128] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Lothar-Rubusch/iio-accel-adxl345-fix-comment-on-probe/20241204-121629 base: linus/master patch link: https://lore.kernel.org/r/20241203205241.48077-11-l.rubusch%40gmail.com patch subject: [PATCH v3 10/10] iio: accel: adxl345: add kfifo with watermark config: i386-buildonly-randconfig-004 (https://download.01.org/0day-ci/archive/20241204/202412041901.a986bAPP-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241204/202412041901.a986bAPP-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/202412041901.a986bAPP-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/iio/accel/adxl345_core.c:434: warning: expecting prototype for irqreturn_t adxl345_event_handler()(). Prototype was for adxl345_event_handler() instead vim +434 drivers/iio/accel/adxl345_core.c 425 426 /** 427 * irqreturn_t adxl345_event_handler() - Handle events of the ADXL345. 428 * @irq: The irq being handled. 429 * @p: The struct iio_device pointer for the device. 430 * 431 * Return: The interrupt was handled. 432 */ 433 static irqreturn_t adxl345_event_handler(int irq, void *p) > 434 { 435 struct iio_dev *indio_dev = p; 436 struct adxl345_state *st = iio_priv(indio_dev); 437 u8 int_stat; 438 int samples; 439 440 int_stat = adxl345_get_status(st); 441 if (int_stat < 0) 442 return IRQ_NONE; 443 444 if (int_stat == 0x0) 445 goto err; 446 447 if (int_stat & ADXL345_INT_OVERRUN) 448 goto err; 449 450 if (int_stat & (ADXL345_INT_DATA_READY | ADXL345_INT_WATERMARK)) { 451 samples = adxl345_get_samples(st); 452 if (samples < 0) 453 goto err; 454 455 if (adxl345_fifo_push(indio_dev, samples) < 0) 456 goto err; 457 458 } 459 return IRQ_HANDLED; 460 461 err: 462 adxl345_fifo_reset(st); 463 464 return IRQ_HANDLED; 465 } 466 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
