Hi Johan, [auto build test ERROR on driver-core/driver-core-testing] [also build test ERROR on v4.13-rc3 next-20170803] [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/Johan-Hovold/dma-mapping-skip-USB-devices-when-configuring-DMA-during-probe/20170804-014620 config: sparc-defconfig (attached as .config) compiler: sparc-linux-gcc (GCC) 6.2.0 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=sparc All errors (new ones prefixed by >>): drivers/base/dma-mapping.o: In function `dma_configure': >> dma-mapping.c:(.text+0x720): undefined reference to `usb_bus_type' dma-mapping.c:(.text+0x728): undefined reference to `usb_bus_type' drivers/base/dma-mapping.o: In function `dma_deconfigure': dma-mapping.c:(.text+0x7d0): undefined reference to `usb_bus_type' dma-mapping.c:(.text+0x7d4): undefined reference to `usb_bus_type' --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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