[balbi-usb:testing/next 46/49] undefined reference to `extcon_get_edev_by_phandle'

kbuild test robot <fengguang.wu@xxxxxxxxx> · Sun, 9 Apr 2017 00:29:07 +0800

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git testing/next
head:   9653f750a746d5abc4bc054d818eb32d1351eae9
commit: d5a80bad699c94703a0306edd250f65cfd050580 [46/49] usb: dwc3: Add dual-role support
config: x86_64-randconfig-h0-04081918 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
reproduce:
        git checkout d5a80bad699c94703a0306edd250f65cfd050580
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/built-in.o: In function `dwc3_drd_init':
>> (.text+0x2aff13): undefined reference to `extcon_get_edev_by_phandle'
   drivers/built-in.o: In function `dwc3_drd_init':
>> (.text+0x2affb1): undefined reference to `extcon_register_notifier'
   drivers/built-in.o: In function `dwc3_drd_init':
>> (.text+0x2b0029): undefined reference to `extcon_get_state'
   drivers/built-in.o: In function `dwc3_drd_exit':
>> (.text+0x2b00e1): undefined reference to `extcon_unregister_notifier'

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