Quoting kbuild test robot (2018-11-09 02:18:24) > Hi Lucas, > > I love your patch! Yet something to improve: > > [auto build test ERROR on shawnguo/for-next] > [also build test ERROR on v4.20-rc1 next-20181109] > [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] > > url: https://github.com/0day-ci/linux/commits/Abel-Vesa/Add-i-MX8MQ-clock-driver/20181109-063930 > base: https://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux.git for-next > config: arm-multi_v5_defconfig (attached as .config) > compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0 > reproduce: > 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 > GCC_VERSION=7.2.0 make.cross ARCH=arm > > All errors (new ones prefixed by >>): > > drivers/clk/imx/clk-frac-pll.o: In function `clk_pll_recalc_rate': > >> clk-frac-pll.c:(.text+0x74): undefined reference to `__aeabi_uldivmod' > drivers/clk/imx/clk-frac-pll.o: In function `clk_pll_round_rate': > clk-frac-pll.c:(.text+0xbc): undefined reference to `__aeabi_uldivmod' > Why does the code do essentially: u64 val; do_div(val, div); val /= div2; That should be using do_div() twice it seems.
