tree: https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git queue-4.14 head: 324f5f78b95b8b45dc8f35babd86861b6f35d3c3 commit: 9137510bedfa34f887d81f514d7b537d2c40ec3c [84/86] USB: pci-quirks: Add Raspberry Pi 4 quirk config: alpha-defconfig (attached as .config) compiler: alpha-linux-gcc (GCC) 7.5.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 9137510bedfa34f887d81f514d7b537d2c40ec3c # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-7.5.0 make.cross ARCH=alpha If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/usb/host/pci-quirks.c: In function 'quirk_usb_early_handoff': ret = rpi_firmware_init_vl805(pdev); ^~~~~~~~~~~~~~~~~~~~~~~ rpi_firmware_get drivers/usb/host/pci-quirks.c: In function 'quirk_usb_disable_ehci': drivers/usb/host/pci-quirks.c:963:8: warning: this statement may fall through [-Wimplicit-fallthrough=] cap = 0; /* then fallthrough... */ ~~~~^~~ drivers/usb/host/pci-quirks.c:964:3: note: here default: ^~~~~~~ cc1: some warnings being treated as errors vim +1261 drivers/usb/host/pci-quirks.c 1249 1250 static void quirk_usb_early_handoff(struct pci_dev *pdev) 1251 { 1252 int ret; 1253 1254 /* Skip Netlogic mips SoC's internal PCI USB controller. 1255 * This device does not need/support EHCI/OHCI handoff 1256 */ 1257 if (pdev->vendor == 0x184e) /* vendor Netlogic */ 1258 return; 1259 1260 if (pdev->vendor == PCI_VENDOR_ID_VIA && pdev->device == 0x3483) { 1262 if (ret) { 1263 /* Firmware might be outdated, or something failed */ 1264 dev_warn(&pdev->dev, 1265 "Failed to load VL805's firmware: %d. Will continue to attempt to work, but bad things might happen. You should fix this...\n", 1266 ret); 1267 } 1268 } 1269 1270 if (pdev->class != PCI_CLASS_SERIAL_USB_UHCI && 1271 pdev->class != PCI_CLASS_SERIAL_USB_OHCI && 1272 pdev->class != PCI_CLASS_SERIAL_USB_EHCI && 1273 pdev->class != PCI_CLASS_SERIAL_USB_XHCI) 1274 return; 1275 1276 if (pci_enable_device(pdev) < 0) { 1277 dev_warn(&pdev->dev, 1278 "Can't enable PCI device, BIOS handoff failed.\n"); 1279 return; 1280 } 1281 if (pdev->class == PCI_CLASS_SERIAL_USB_UHCI) 1282 quirk_usb_handoff_uhci(pdev); 1283 else if (pdev->class == PCI_CLASS_SERIAL_USB_OHCI) 1284 quirk_usb_handoff_ohci(pdev); 1285 else if (pdev->class == PCI_CLASS_SERIAL_USB_EHCI) 1286 quirk_usb_disable_ehci(pdev); 1287 else if (pdev->class == PCI_CLASS_SERIAL_USB_XHCI) 1288 quirk_usb_handoff_xhci(pdev); 1289 pci_disable_device(pdev); 1290 } 1291 DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_ANY_ID, PCI_ANY_ID, 1292 PCI_CLASS_SERIAL_USB, 8, quirk_usb_early_handoff); 1293 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org