Hi Longfang, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on usb/usb-testing] [also build test WARNING on v5.12-rc6 next-20210408] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Longfang-Liu/USB-ehci-fix-the-no... base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing config: x86_64-randconfig-s022-20210408 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-279-g6d5d9b42-dirty # https://github.com/0day-ci/linux/commit/01b93fbbf8fb6137c7779062232c0fe8c... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Longfang-Liu/USB-ehci-fix-the-no-SRBN-register-problem/20210408-215249 git checkout 01b93fbbf8fb6137c7779062232c0fe8c1592940 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) drivers/usb/host/ehci-pci.c:57:10: sparse: expected unsigned short [usertype] vendor drivers/usb/host/ehci-pci.c:57:10: sparse: got void * drivers/usb/host/ehci-pci.c:57:16: sparse: expected unsigned short [usertype] device drivers/usb/host/ehci-pci.c:57:16: sparse: got void * vim +57 drivers/usb/host/ehci-pci.c 49 50 static const struct usb_nosbrn_whitelist_entry { 51 u16 vendor; 52 u16 device; 53 } usb_nosbrn_whitelist[] = { 54 /* STMICRO ConneXT has no sbrn register */ 55 {PCI_VENDOR_ID_STMICRO, PCI_DEVICE_ID_STMICRO_USB_HOST}, 56 /* End of list */ 58 }; 59 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org