On Tue, Aug 23, 2016 at 06:27:58PM +0800, kbuild test robot wrote: > Hi Alison, > > [auto build test ERROR on iio/togreg] > [also build test ERROR on v4.8-rc3 next-20160823] > [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] > [Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on] > [Check https://git-scm.com/docs/git-format-patch for more information] > > url: https://github.com/0day-ci/linux/commits/Alison-Schofield/iio-adc-ltc2485-add-support-for-Linear-Technology-LTC2485-ADC/20160823-112916 > base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg > config: i386-allyesconfig (attached as .config) > compiler: gcc-6 (Debian 6.1.1-9) 6.1.1 20160705 > reproduce: > # save the attached .config to linux build tree > make ARCH=i386 > > All errors (new ones prefixed by >>): > > drivers/built-in.o: In function `ltc2485_read_raw': > >> ltc2485.c:(.text+0x2795c3b): undefined reference to `__divdi3' > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/pipermail/kbuild-all Intel Corporation This is in the timestamp comparison code. I guess I could use a do_div macro to perform the task. However, now that I've stared the code a bit more, it doesn't need to be real time and in fact it would be better/safer to use monotonic time. So, I'll change to monotonic time and use the ktime_t macros to manipulate. Thanks kbuild robot for finding this immediately!! alisons -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
