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: microblaze-mmu_defconfig (attached as .config) compiler: microblaze-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=microblaze All errors (new ones prefixed by >>): drivers/base/dma-mapping.o: In function `dma_configure': >> drivers/base/dma-mapping.c:350: undefined reference to `usb_bus_type' drivers/base/dma-mapping.o: In function `dma_deconfigure': drivers/base/dma-mapping.c:377: undefined reference to `usb_bus_type' net/sunrpc/stats.o: In function `rpc_print_iostats': net/sunrpc/stats.c:206: undefined reference to `_GLOBAL_OFFSET_TABLE_' scripts/link-vmlinux.sh: line 93: 76193 Segmentation fault ${LD} ${LDFLAGS} ${LDFLAGS_vmlinux} -o ${2} -T ${lds} ${objects} vim +350 drivers/base/dma-mapping.c 342 343 int dma_configure(struct device *dev) 344 { 345 struct device *bridge = NULL, *dma_dev = dev; 346 enum dev_dma_attr attr; 347 int ret = 0; 348 349 /* USB devices share the controller's mask. */ > 350 if (dev->bus == &usb_bus_type) 351 return 0; 352 353 if (dev_is_pci(dev)) { 354 bridge = pci_get_host_bridge_device(to_pci_dev(dev)); 355 dma_dev = bridge; 356 if (IS_ENABLED(CONFIG_OF) && dma_dev->parent && 357 dma_dev->parent->of_node) 358 dma_dev = dma_dev->parent; 359 } 360 361 if (dma_dev->of_node) { 362 ret = of_dma_configure(dev, dma_dev->of_node); 363 } else if (has_acpi_companion(dma_dev)) { 364 attr = acpi_get_dma_attr(to_acpi_device_node(dma_dev->fwnode)); 365 if (attr != DEV_DMA_NOT_SUPPORTED) 366 ret = acpi_dma_configure(dev, attr); 367 } 368 369 if (bridge) 370 pci_put_host_bridge_device(bridge); 371 372 return ret; 373 } 374 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
Attachment:
.config.gz
Description: application/gzip