Hi yankejian, [auto build test ERROR on pm/linux-next] [also build test ERROR on v4.4-rc3 next-20151202] url: https://github.com/0day-ci/linux/commits/yankejian/ACPI-Add-phylib-support-code-for-mdio/20151203-115039 base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next config: i386-randconfig-i0-201548 (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): drivers/built-in.o: In function `acpi_mdiobus_register_phy': >> acpi_mdio.c:(.text+0x2de27): undefined reference to `get_phy_device' >> acpi_mdio.c:(.text+0x2de84): undefined reference to `phy_device_register' >> acpi_mdio.c:(.text+0x2de8f): undefined reference to `phy_device_free' drivers/built-in.o: In function `acpi_phy_find_device': >> (.text+0x2dee4): undefined reference to `mdio_bus_type' drivers/built-in.o: In function `acpi_phy_attach': >> (.text+0x2df25): undefined reference to `phy_attach_direct' drivers/built-in.o: In function `acpi_phy_connect': >> (.text+0x2df71): undefined reference to `phy_connect_direct' drivers/built-in.o: In function `acpi_mdiobus_register': >> (.text+0x2e01a): undefined reference to `__mdiobus_register' --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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