Hi Hayes, Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on net/master] [also build test WARNING on net-next/master ipvs/master linus/master v5.10-rc1 next-20201029] [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/Hayes-Wang/net-usb-r8153_ecm-support-ECM-mode-for-RTL8153/20201029-203440 base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git d6535dca28859d8d9ef80894eb287b2ac35a32e8 config: xtensa-allyesconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 9.3.0 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 # https://github.com/0day-ci/linux/commit/e34498795de95fbccb0f2feee72cd8df723f9fd3 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Hayes-Wang/net-usb-r8153_ecm-support-ECM-mode-for-RTL8153/20201029-203440 git checkout e34498795de95fbccb0f2feee72cd8df723f9fd3 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=xtensa If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> All warnings (new ones prefixed by >>): >> drivers/net/usb/r8152.c:6618:4: warning: no previous prototype for >> 'rtl8152_get_version' [-Wmissing-prototypes] 6618 | u8 rtl8152_get_version(struct usb_interface *intf) | ^~~~~~~~~~~~~~~~~~~ vim +/rtl8152_get_version +6618 drivers/net/usb/r8152.c 6617 > 6618 u8 rtl8152_get_version(struct usb_interface *intf) 6619 { 6620 struct usb_device *udev = interface_to_usbdev(intf); 6621 u32 ocp_data = 0; 6622 __le32 *tmp; 6623 u8 version; 6624 int ret; 6625 6626 tmp = kmalloc(sizeof(*tmp), GFP_KERNEL); 6627 if (!tmp) 6628 return 0; 6629 6630 ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 6631 RTL8152_REQ_GET_REGS, RTL8152_REQT_READ, 6632 PLA_TCR0, MCU_TYPE_PLA, tmp, sizeof(*tmp), 500); 6633 if (ret > 0) 6634 ocp_data = (__le32_to_cpu(*tmp) >> 16) & VERSION_MASK; 6635 6636 kfree(tmp); 6637 6638 switch (ocp_data) { 6639 case 0x4c00: 6640 version = RTL_VER_01; 6641 break; 6642 case 0x4c10: 6643 version = RTL_VER_02; 6644 break; 6645 case 0x5c00: 6646 version = RTL_VER_03; 6647 break; 6648 case 0x5c10: 6649 version = RTL_VER_04; 6650 break; 6651 case 0x5c20: 6652 version = RTL_VER_05; 6653 break; 6654 case 0x5c30: 6655 version = RTL_VER_06; 6656 break; 6657 case 0x4800: 6658 version = RTL_VER_07; 6659 break; 6660 case 0x6000: 6661 version = RTL_VER_08; 6662 break; 6663 case 0x6010: 6664 version = RTL_VER_09; 6665 break; 6666 default: 6667 version = RTL_VER_UNKNOWN; 6668 dev_info(&intf->dev, "Unknown version 0x%04x\n", ocp_data); 6669 break; 6670 } 6671 6672 dev_dbg(&intf->dev, "Detected version 0x%04x\n", version); 6673 6674 return version; 6675 } 6676 EXPORT_SYMBOL_GPL(rtl8152_get_version); 6677 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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