Hi Wei, kernel test robot noticed the following build warnings: [auto build test WARNING on net-next/main] url: https://github.com/intel-lab-lkp/linux/commits/Wei-Fang/dt-bindings-net-add-compatible-string-for-i-MX95-EMDIO/20241009-181113 base: net-next/main patch link: https://lore.kernel.org/r/20241009095116.147412-6-wei.fang%40nxp.com patch subject: [PATCH net-next 05/11] net: enetc: add enetc-pf-common driver support config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20241010/202410102136.jQHZOcS4-lkp@xxxxxxxxx/config) compiler: m68k-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241010/202410102136.jQHZOcS4-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202410102136.jQHZOcS4-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from drivers/net/ethernet/freescale/enetc/enetc_pf_common.c:3: >> include/linux/fsl/enetc_mdio.h:62:18: warning: no previous prototype for 'enetc_hw_alloc' [-Wmissing-prototypes] 62 | struct enetc_hw *enetc_hw_alloc(struct device *dev, void __iomem *port_regs) | ^~~~~~~~~~~~~~ Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for GET_FREE_REGION Depends on [n]: SPARSEMEM [=n] Selected by [m]: - RESOURCE_KUNIT_TEST [=m] && RUNTIME_TESTING_MENU [=y] && KUNIT [=m] vim +/enetc_hw_alloc +62 include/linux/fsl/enetc_mdio.h 6517798dd3432a Claudiu Manoil 2020-01-06 49 80e87442e69ba8 Andrew Lunn 2023-01-12 50 static inline int enetc_mdio_read_c22(struct mii_bus *bus, int phy_id, 80e87442e69ba8 Andrew Lunn 2023-01-12 51 int regnum) 6517798dd3432a Claudiu Manoil 2020-01-06 52 { return -EINVAL; } 80e87442e69ba8 Andrew Lunn 2023-01-12 53 static inline int enetc_mdio_write_c22(struct mii_bus *bus, int phy_id, 80e87442e69ba8 Andrew Lunn 2023-01-12 54 int regnum, u16 value) 80e87442e69ba8 Andrew Lunn 2023-01-12 55 { return -EINVAL; } 80e87442e69ba8 Andrew Lunn 2023-01-12 56 static inline int enetc_mdio_read_c45(struct mii_bus *bus, int phy_id, 80e87442e69ba8 Andrew Lunn 2023-01-12 57 int devad, int regnum) 80e87442e69ba8 Andrew Lunn 2023-01-12 58 { return -EINVAL; } 80e87442e69ba8 Andrew Lunn 2023-01-12 59 static inline int enetc_mdio_write_c45(struct mii_bus *bus, int phy_id, 80e87442e69ba8 Andrew Lunn 2023-01-12 60 int devad, int regnum, u16 value) 6517798dd3432a Claudiu Manoil 2020-01-06 61 { return -EINVAL; } 6517798dd3432a Claudiu Manoil 2020-01-06 @62 struct enetc_hw *enetc_hw_alloc(struct device *dev, void __iomem *port_regs) 6517798dd3432a Claudiu Manoil 2020-01-06 63 { return ERR_PTR(-EINVAL); } 6517798dd3432a Claudiu Manoil 2020-01-06 64 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
