tree: https://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue.git dev-queue head: 5cf0cbb14925b7131baa959b35a2267d6bbb6651 commit: f3f1e5ce45c6c061b87b37f0c166eb63fb94e9fd [15/33] i40e: add support for PTP external synchronization clock config: x86_64-randconfig-s022-20200810 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-141-g19506bc2-dirty git checkout f3f1e5ce45c6c061b87b37f0c166eb63fb94e9fd # 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/net/ethernet/intel/i40e/i40e_ptp.c:1021:50: sparse: sparse: mixing different enum types: drivers/net/ethernet/intel/i40e/i40e_ptp.c:1021:50: sparse: unsigned int enum i40e_ptp_led_pin_state drivers/net/ethernet/intel/i40e/i40e_ptp.c:1021:50: sparse: int enum i40e_ptp_gpio_pin_state drivers/net/ethernet/intel/i40e/i40e_ptp.c:1022:50: sparse: sparse: mixing different enum types: drivers/net/ethernet/intel/i40e/i40e_ptp.c:1022:50: sparse: unsigned int enum i40e_ptp_led_pin_state drivers/net/ethernet/intel/i40e/i40e_ptp.c:1022:50: sparse: int enum i40e_ptp_gpio_pin_state drivers/net/ethernet/intel/i40e/i40e_ptp.c:1023:50: sparse: sparse: mixing different enum types: drivers/net/ethernet/intel/i40e/i40e_ptp.c:1023:50: sparse: unsigned int enum i40e_ptp_led_pin_state drivers/net/ethernet/intel/i40e/i40e_ptp.c:1023:50: sparse: int enum i40e_ptp_gpio_pin_state vim +1020 drivers/net/ethernet/intel/i40e/i40e_ptp.c 999 1000 /** 1001 * i40e_ptp_set_pins_hw - Set HW GPIO pins 1002 * @pf: Board private structure 1003 * 1004 * This function sets GPIO pins for PTP 1005 **/ 1006 static void i40e_ptp_set_pins_hw(struct i40e_pf *pf) 1007 { 1008 const struct i40e_ptp_pins_settings *pins = pf->ptp_pins; 1009 struct i40e_hw *hw = &pf->hw; 1010 1011 /* pin must be disabled before it may be used */ 1012 i40e_ptp_set_pin_hw(hw, I40E_SDP3_2, off); 1013 i40e_ptp_set_pin_hw(hw, I40E_SDP3_3, off); 1014 i40e_ptp_set_pin_hw(hw, I40E_GPIO_4, off); 1015 1016 i40e_ptp_set_pin_hw(hw, I40E_SDP3_2, pins->sdp3_2); 1017 i40e_ptp_set_pin_hw(hw, I40E_SDP3_3, pins->sdp3_3); 1018 i40e_ptp_set_pin_hw(hw, I40E_GPIO_4, pins->gpio_4); 1019 1021 i40e_ptp_set_led_hw(hw, I40E_LED2_1, pins->led2_1); 1022 i40e_ptp_set_led_hw(hw, I40E_LED3_0, pins->led3_0); 1023 i40e_ptp_set_led_hw(hw, I40E_LED3_1, pins->led3_1); 1024 1025 dev_info(&pf->pdev->dev, 1026 "PTP configuration set to: SDP3_2: %s, SDP3_3: %s, GPIO_4: %s.\n", 1027 i40e_ptp_gpio_pin_state2str[pins->sdp3_2], 1028 i40e_ptp_gpio_pin_state2str[pins->sdp3_3], 1029 i40e_ptp_gpio_pin_state2str[pins->gpio_4]); 1030 } 1031 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org