Hi Liam, Thank you for the patch! Yet something to improve: [auto build test ERROR on 8f3d9f354286745c751374f5f1fcafee6b3f3136] url: https://github.com/0day-ci/linux/commits/Liam-Beguin/phy-tusb1210-use-bit... base: 8f3d9f354286745c751374f5f1fcafee6b3f3136 config: parisc-allyesconfig (attached as .config) compiler: hppa-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 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=parisc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): hppa-linux-ld: drivers/phy/ti/phy-tusb1210.o: in function `tusb1210_probe': hppa-linux-ld: (.text+0x354): undefined reference to `__cmpxchg_called_with_bad_pointer' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org