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-SRBN-register-problem/20210408-215249 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing config: riscv-randconfig-r025-20210408 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 56ea2e2fdd691136d5e6631fa0e447173694b82c) 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 # install riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://github.com/0day-ci/linux/commit/01b93fbbf8fb6137c7779062232c0fe8c1592940 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 COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/usb/host/ehci-pci.c:57:3: warning: incompatible pointer to integer conversion initializing 'u16' (aka 'unsigned short') with an expression of type 'void *' [-Wint-conversion] {NULL, NULL} ^~~~ include/linux/stddef.h:8:14: note: expanded from macro 'NULL' #define NULL ((void *)0) ^~~~~~~~~~~ drivers/usb/host/ehci-pci.c:57:9: warning: incompatible pointer to integer conversion initializing 'u16' (aka 'unsigned short') with an expression of type 'void *' [-Wint-conversion] {NULL, NULL} ^~~~ include/linux/stddef.h:8:14: note: expanded from macro 'NULL' #define NULL ((void *)0) ^~~~~~~~~~~ 2 warnings generated. 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 */ > 57 {NULL, NULL} 58 }; 59 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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