Hi Ondrej, Thank you for the patch! Yet something to improve: [auto build test ERROR on hch-configfs/for-next] [also build test ERROR on linux/master linus/master v5.17-rc7 next-20220308] [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/Ondrej-Zary/pata_parport-add-core-driver-PARIDE-replacement/20220307-142912 base: git://git.infradead.org/users/hch/configfs.git for-next config: ia64-allyesconfig (https://download.01.org/0day-ci/archive/20220309/202203091613.dsoQnVk9-lkp@xxxxxxxxx/config) compiler: ia64-linux-gcc (GCC) 11.2.0 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/05539e2a04721c2710e7d1f6ae49926474bdf918 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Ondrej-Zary/pata_parport-add-core-driver-PARIDE-replacement/20220307-142912 git checkout 05539e2a04721c2710e7d1f6ae49926474bdf918 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=ia64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): ia64-linux-ld: drivers/block/paride/paride.o: in function `pi_release': >> (.text+0x600): multiple definition of `pi_release'; drivers/ata/pata_parport/pata_parport.o:(.text+0x36c0): first defined here --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx