On 12/22/2016 12:27 AM, kbuild test robot wrote: > Hi Paul, > > [auto build test ERROR on mtd/master] > [also build test ERROR on v4.9 next-20161221] > [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/Paul-Gortmaker/mtd-nand-fix-implicit-module-h-usage-in-xway_nand-c/20161221-115714 > base: git://git.infradead.org/linux-mtd.git master > config: mips-xway_defconfig (attached as .config) > compiler: mips-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 > reproduce: > wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # save the attached .config to linux build tree > make.cross ARCH=mips > > All errors (new ones prefixed by >>): > > arch/mips/built-in.o: In function `vpe_run': >>> (.text+0x148f0): undefined reference to `physical_memsize' > arch/mips/built-in.o: In function `vpe_run': > (.text+0x148f4): undefined reference to `physical_memsize' Let me look into this, it is probably caused by activating a "bad" config option and not related to GPIO at all. Hauke
