Hi Ramona, I love your patch! Perhaps something to improve: [auto build test WARNING on jic23-iio/togreg] [also build test WARNING on linus/master v6.1-rc6 next-20221121] [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/Ramona-Bolboaca/Add-__adis_enable_irq/20221121-202938 base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg patch link: https://lore.kernel.org/r/20221121122655.48268-2-ramona.bolboaca%40analog.com patch subject: [PATCH v4 1/9] iio: adis: add '__adis_enable_irq()' implementation config: m68k-allyesconfig compiler: m68k-linux-gcc (GCC) 12.1.0 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/intel-lab-lkp/linux/commit/bfde6674ecc00eb34c2af77e57fdb57cd6c1cf03 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Ramona-Bolboaca/Add-__adis_enable_irq/20221121-202938 git checkout bfde6674ecc00eb34c2af77e57fdb57cd6c1cf03 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash drivers/iio/accel/ drivers/iio/imu/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All warnings (new ones prefixed by >>): In file included from drivers/iio/imu/adis.c:19: include/linux/iio/imu/adis.h: In function 'adis_enable_irq': include/linux/iio/imu/adis.h:410:15: error: implicit declaration of function '__adis_enable_irq'; did you mean 'adis_enable_irq'? [-Werror=implicit-function-declaration] 410 | ret = __adis_enable_irq(adis); | ^~~~~~~~~~~~~~~~~ | adis_enable_irq drivers/iio/imu/adis.c: At top level: >> drivers/iio/imu/adis.c:279:5: warning: no previous prototype for '__adis_enable_irq' [-Wmissing-prototypes] 279 | int __adis_enable_irq(struct adis *adis, bool enable) | ^~~~~~~~~~~~~~~~~ drivers/iio/imu/adis.c:279:5: error: conflicting types for '__adis_enable_irq'; have 'int(struct adis *, bool)' {aka 'int(struct adis *, _Bool)'} drivers/iio/imu/adis.c:280:1: note: an argument type that has a default promotion cannot match an empty parameter name list declaration 280 | { | ^ include/linux/iio/imu/adis.h:410:15: note: previous implicit declaration of '__adis_enable_irq' with type 'int()' 410 | ret = __adis_enable_irq(adis); | ^~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/__adis_enable_irq +279 drivers/iio/imu/adis.c 271 272 /** 273 * __adis_enable_irq() - Enable or disable data ready IRQ (unlocked) 274 * @adis: The adis device 275 * @enable: Whether to enable the IRQ 276 * 277 * Returns 0 on success, negative error code otherwise 278 */ > 279 int __adis_enable_irq(struct adis *adis, bool enable) 280 { 281 int ret; 282 u16 msc; 283 284 if (adis->data->enable_irq) 285 return adis->data->enable_irq(adis, enable); 286 287 if (adis->data->unmasked_drdy) { 288 if (enable) 289 enable_irq(adis->spi->irq); 290 else 291 disable_irq(adis->spi->irq); 292 293 return 0; 294 } 295 296 ret = __adis_read_reg_16(adis, adis->data->msc_ctrl_reg, &msc); 297 if (ret) 298 return ret; 299 300 msc |= ADIS_MSC_CTRL_DATA_RDY_POL_HIGH; 301 msc &= ~ADIS_MSC_CTRL_DATA_RDY_DIO2; 302 if (enable) 303 msc |= ADIS_MSC_CTRL_DATA_RDY_EN; 304 else 305 msc &= ~ADIS_MSC_CTRL_DATA_RDY_EN; 306 307 return __adis_write_reg_16(adis, adis->data->msc_ctrl_reg, msc); 308 } 309 EXPORT_SYMBOL_NS(__adis_enable_irq, IIO_ADISLIB); 310 -- 0-DAY CI Kernel Test Service https://01.org/lkp