Hi "Mylène, Thank you for the patch! Yet something to improve: [auto build test ERROR on v5.6-rc4] [cannot apply to rockchip/for-next next-20200303] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Myl-ne-Josserand/ARM-Add-Rockchip-rk3288w-support/20200303-034350 base: 98d54f81e36ba3bf92172791eba5ca5bd813989b config: arm64-defconfig (attached as .config) compiler: clang version 11.0.0 (git://gitmirror/llvm_project 211fb91f1067ecdf7c0b8a019bcf76554d813129) reproduce: # FIXME the reproduce steps for clang is not ready yet If you fix the issue, kindly add following tag Reported-by: kbuild test robot All errors (new ones prefixed by >>): aarch64-linux-gnu-ld: drivers/clk/rockchip/clk-rk3288.o: in function `rk3288_clk_init': >> clk-rk3288.c:(.init.text+0x44): undefined reference to `rk3288_get_revision' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org