Hi Baolin, [auto build test ERROR on balbi-usb/next] [also build test ERROR on v4.11-rc2 next-20170310] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Baolin-Wang/usb-phy-Introduce-one-extcon-device-into-usb-phy/20170319-175509 base: https://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git next config: i386-randconfig-i1-201712 (attached as .config) compiler: gcc-4.8 (Debian 4.8.4-1) 4.8.4 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): drivers/built-in.o: In function `usb_add_extcon': >> phy.c:(.text+0x231580): undefined reference to `extcon_get_edev_by_phandle' >> phy.c:(.text+0x2315d0): undefined reference to `devm_extcon_register_notifier' phy.c:(.text+0x231629): undefined reference to `devm_extcon_register_notifier' --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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