tree: git://git.armlinux.org.uk/~rmk/linux-arm.git zii head: d3ebd79d7fb6476e2409c147e4dcc304733f7ae6 commit: 76c8c505247c567d0883b44bab8b678bc9238bfb [119/186] net: dsa: mt7530: partially convert to phylink_pcs *EXPERIMENTAL* config: x86_64-randconfig-r016-20211214 (https://download.01.org/0day-ci/archive/20211215/202112151746.9DgbKRad-lk...) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project b6a2ddb6c8ac29412b1361810972e15221fa021c) 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 remote add arm git://git.armlinux.org.uk/~rmk/linux-arm.git git fetch --no-tags arm zii git checkout 76c8c505247c567d0883b44bab8b678bc9238bfb # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/net/ 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 >>): return &priv->pcs[port].phylink_pcs; ~~~~~~~~~~~~~~~ ^ drivers/net/dsa/mt7530.c:2882:46: error: no member named 'phylink_pcs' in 'struct mt753x_pcs' mt753x_phylink_pcs_link_up(&priv->pcs[port].phylink_pcs, MLO_AN_FIXED, ~~~~~~~~~~~~~~~ ^ drivers/net/dsa/mt7530.c:3026:18: error: incompatible function pointer types initializing 'int (*)(struct phylink_pcs *, unsigned long *, const struct phylink_link_state *)' with an expression of type 'void (struct phylink_pcs *, unsigned long *, const struct phylink_link_state *)' [-Werror,-Wincompatible-function-pointer-types] .pcs_validate = mt753x_pcs_validate, ^~~~~~~~~~~~~~~~~~~ drivers/net/dsa/mt7530.c:3033:18: error: incompatible function pointer types initializing 'int (*)(struct phylink_pcs *, unsigned long *, const struct phylink_link_state *)' with an expression of type 'void (struct phylink_pcs *, unsigned long *, const struct phylink_link_state *)' [-Werror,-Wincompatible-function-pointer-types] .pcs_validate = mt753x_pcs_validate, ^~~~~~~~~~~~~~~~~~~ priv->pcs[i].pcs.ops = priv->pcs_ops; ~~~~~~~~~~~~~~~~^ -> priv->pcs[i].pcs.ops = priv->pcs_ops; ~~~~ ^ 6 errors generated. vim +2707 drivers/net/dsa/mt7530.c 2695 2696 static struct phylink_pcs * 2697 mt753x_phylink_mac_select_pcs(struct dsa_switch *ds, int port, 2698 phy_interface_t interface) 2699 { 2700 struct mt7530_priv *priv = ds->priv; 2701 2702 switch (interface) { 2703 case PHY_INTERFACE_MODE_TRGMII: 2704 case PHY_INTERFACE_MODE_SGMII: 2705 case PHY_INTERFACE_MODE_1000BASEX: 2706 case PHY_INTERFACE_MODE_2500BASEX: 2708 2709 default: 2710 return NULL; 2711 } 2712 } 2713 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org