==========
build_clang - FAILED


ld.lld: error: undefined symbol: __mdiobus_write
>>> referenced by airoha-an8855.c:32 (/home/nipa/net-next/wt-1/build_clang/../drivers/mfd/airoha-an8855.c:32)
>>>               vmlinux.o:(an8855_mii_set_page)
>>> referenced by airoha-an8855.c:32 (/home/nipa/net-next/wt-1/build_clang/../drivers/mfd/airoha-an8855.c:32)
>>>               vmlinux.o:(an8855_regmap_read)
>>> referenced by airoha-an8855.c:32 (/home/nipa/net-next/wt-1/build_clang/../drivers/mfd/airoha-an8855.c:32)
>>>               vmlinux.o:(an8855_regmap_write)
>>> referenced 9 more times

ld.lld: error: undefined symbol: __mdiobus_read
>>> referenced by airoha-an8855.c:62 (/home/nipa/net-next/wt-1/build_clang/../drivers/mfd/airoha-an8855.c:62)
>>>               vmlinux.o:(an8855_mii_read32)
>>> referenced by airoha-an8855.c:67 (/home/nipa/net-next/wt-1/build_clang/../drivers/mfd/airoha-an8855.c:67)
>>>               vmlinux.o:(an8855_mii_read32)

ld.lld: error: undefined symbol: mdio_driver_register
>>> referenced by airoha-an8855.c:275 (/home/nipa/net-next/wt-1/build_clang/../drivers/mfd/airoha-an8855.c:275)
>>>               vmlinux.o:(mdio_module_init)

ld.lld: error: undefined symbol: mdio_driver_unregister
>>> referenced by airoha-an8855.c:275 (/home/nipa/net-next/wt-1/build_clang/../drivers/mfd/airoha-an8855.c:275)
>>>               vmlinux.o:(mdio_module_exit)
make[3]: *** [../scripts/Makefile.vmlinux:77: vmlinux] Error 1
make[2]: *** [/home/nipa/net-next/wt-1/Makefile:1225: vmlinux] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [/home/nipa/net-next/wt-1/Makefile:251: __sub-make] Error 2
make: *** [Makefile:251: __sub-make] Error 2
drivers/nvme/target/nvmet.o: warning: objtool: nvmet_ctrl_state_show() falls through to next function __cfi_nvmet_ctrl_host_traddr_open()
ld.lld: error: undefined symbol: __mdiobus_write
>>> referenced by airoha-an8855.c:32 (/home/nipa/net-next/wt-1/build_clang/../drivers/mfd/airoha-an8855.c:32)
>>>               vmlinux.o:(an8855_mii_set_page)
>>> referenced by airoha-an8855.c:32 (/home/nipa/net-next/wt-1/build_clang/../drivers/mfd/airoha-an8855.c:32)
>>>               vmlinux.o:(an8855_regmap_read)
>>> referenced by airoha-an8855.c:32 (/home/nipa/net-next/wt-1/build_clang/../drivers/mfd/airoha-an8855.c:32)
>>>               vmlinux.o:(an8855_regmap_write)
>>> referenced 9 more times

ld.lld: error: undefined symbol: __mdiobus_read
>>> referenced by airoha-an8855.c:62 (/home/nipa/net-next/wt-1/build_clang/../drivers/mfd/airoha-an8855.c:62)
>>>               vmlinux.o:(an8855_mii_read32)
>>> referenced by airoha-an8855.c:67 (/home/nipa/net-next/wt-1/build_clang/../drivers/mfd/airoha-an8855.c:67)
>>>               vmlinux.o:(an8855_mii_read32)

ld.lld: error: undefined symbol: mdio_driver_register
>>> referenced by airoha-an8855.c:275 (/home/nipa/net-next/wt-1/build_clang/../drivers/mfd/airoha-an8855.c:275)
>>>               vmlinux.o:(mdio_module_init)

ld.lld: error: undefined symbol: mdio_driver_unregister
>>> referenced by airoha-an8855.c:275 (/home/nipa/net-next/wt-1/build_clang/../drivers/mfd/airoha-an8855.c:275)
>>>               vmlinux.o:(mdio_module_exit)
make[3]: *** [../scripts/Makefile.vmlinux:77: vmlinux] Error 1
make[2]: *** [/home/nipa/net-next/wt-1/Makefile:1225: vmlinux] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [/home/nipa/net-next/wt-1/Makefile:251: __sub-make] Error 2
make: *** [Makefile:251: __sub-make] Error 2
drivers/nvme/target/nvmet.o: warning: objtool: nvmet_ctrl_state_show() falls through to next function __cfi_nvmet_ctrl_host_traddr_open()
ld.lld: error: undefined symbol: __mdiobus_write
>>> referenced by airoha-an8855.c:32 (/home/nipa/net-next/wt-1/build_clang/../drivers/mfd/airoha-an8855.c:32)
>>>               vmlinux.o:(an8855_mii_set_page)
>>> referenced by airoha-an8855.c:32 (/home/nipa/net-next/wt-1/build_clang/../drivers/mfd/airoha-an8855.c:32)
>>>               vmlinux.o:(an8855_regmap_read)
>>> referenced by airoha-an8855.c:32 (/home/nipa/net-next/wt-1/build_clang/../drivers/mfd/airoha-an8855.c:32)
>>>               vmlinux.o:(an8855_regmap_write)
>>> referenced 9 more times

ld.lld: error: undefined symbol: __mdiobus_read
>>> referenced by airoha-an8855.c:62 (/home/nipa/net-next/wt-1/build_clang/../drivers/mfd/airoha-an8855.c:62)
>>>               vmlinux.o:(an8855_mii_read32)
>>> referenced by airoha-an8855.c:67 (/home/nipa/net-next/wt-1/build_clang/../drivers/mfd/airoha-an8855.c:67)
>>>               vmlinux.o:(an8855_mii_read32)

ld.lld: error: undefined symbol: mdio_driver_register
>>> referenced by airoha-an8855.c:275 (/home/nipa/net-next/wt-1/build_clang/../drivers/mfd/airoha-an8855.c:275)
>>>               vmlinux.o:(mdio_module_init)

ld.lld: error: undefined symbol: mdio_driver_unregister
>>> referenced by airoha-an8855.c:275 (/home/nipa/net-next/wt-1/build_clang/../drivers/mfd/airoha-an8855.c:275)
>>>               vmlinux.o:(mdio_module_exit)
make[3]: *** [../scripts/Makefile.vmlinux:77: vmlinux] Error 1
make[2]: *** [/home/nipa/net-next/wt-1/Makefile:1225: vmlinux] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [/home/nipa/net-next/wt-1/Makefile:251: __sub-make] Error 2
make: *** [Makefile:251: __sub-make] Error 2