arch/powerpc/boot/dts/adder875-uboot.dts:77.12-90.5: Warning (unique_unit_address_if_enabled): /soc@ff000000/mdio@e00: duplicate unit-address (also used in node /soc@ff000000/ethernet@e00)

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   ce69b4019001407f9cd738dd2ba217b3a8ab831b
commit: c5aebb53b32460bc52680dd4e2a2f6b84d5ea521 powerpc: Force inlining of arch_vmap_p{u/m}d_supported()
date:   11 months ago
:::::: branch date: 5 hours ago
:::::: commit date: 11 months ago
config: powerpc-buildonly-randconfig-r001-20230115 (https://download.01.org/0day-ci/archive/20250117/202501170625.y3ACLyqJ-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 12.4.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250117/202501170625.y3ACLyqJ-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/r/202501170625.y3ACLyqJ-lkp@intel.com/

dtcheck warnings: (new ones prefixed by >>)
   arch/powerpc/boot/dts/adder875-uboot.dts:41.9-44.4: Warning (unit_address_vs_reg): /memory: node has a reg or ranges property, but no unit name
   arch/powerpc/boot/dts/adder875-uboot.dts:132.10-141.6: Warning (unit_address_vs_reg): /soc@ff000000/cpm@9c0/muram: node has a reg or ranges property, but no unit name
   arch/powerpc/boot/dts/adder875-uboot.dts:57.13-62.5: Warning (simple_bus_reg): /localbus@ff000100/flash@0,0: simple-bus unit address format error, expected "0"
   arch/powerpc/boot/dts/adder875-uboot.dts:132.10-141.6: Warning (simple_bus_reg): /soc@ff000000/cpm@9c0/muram: simple-bus unit address format error, expected "2000"
>> arch/powerpc/boot/dts/adder875-uboot.dts:77.12-90.5: Warning (unique_unit_address_if_enabled): /soc@ff000000/mdio@e00: duplicate unit-address (also used in node /soc@ff000000/ethernet@e00)
--
   arch/powerpc/boot/dts/adder875-redboot.dts:41.9-44.4: Warning (unit_address_vs_reg): /memory: node has a reg or ranges property, but no unit name
   arch/powerpc/boot/dts/adder875-redboot.dts:133.10-142.6: Warning (unit_address_vs_reg): /soc@fa200000/cpm@9c0/muram: node has a reg or ranges property, but no unit name
   arch/powerpc/boot/dts/adder875-redboot.dts:58.13-63.5: Warning (simple_bus_reg): /localbus@fa200100/flash@0,0: simple-bus unit address format error, expected "0"
   arch/powerpc/boot/dts/adder875-redboot.dts:133.10-142.6: Warning (simple_bus_reg): /soc@fa200000/cpm@9c0/muram: simple-bus unit address format error, expected "2000"
>> arch/powerpc/boot/dts/adder875-redboot.dts:78.12-91.5: Warning (unique_unit_address_if_enabled): /soc@fa200000/mdio@e00: duplicate unit-address (also used in node /soc@fa200000/ethernet@e00)

vim +77 arch/powerpc/boot/dts/adder875-uboot.dts

b09c16440eb39c Scott Wood 2008-01-17 @77  		mdio@e00 {

:::::: The code at line 77 was first introduced by commit
:::::: b09c16440eb39c12cc91aea5b572c753a5567d57 [POWERPC] 8xx: Analogue & Micro Adder875 board support.

:::::: TO: Scott Wood <scottwood@freescale.com>
:::::: CC: Kumar Gala <galak@kernel.crashing.org>

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https://github.com/intel/lkp-tests/wiki