Re: [PATCH net-next 05/11] net: enetc: add enetc-pf-common driver support

[kernel test robot <lkp@intel.com>]

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@intel.com/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@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410102136.jQHZOcS4-lkp@intel.com/

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  

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