Re: [PATCH 1/2] usb: phy: Introduce one extcon device into usb phy

From: Baolin Wang
Date: Mon Mar 20 2017 - 04:31:49 EST


Hi,


On 19 March 2017 at 19:42, kbuild test robot <lkp@xxxxxxxxx> wrote:
> 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'

I am not sure how the errors were happened, since we will always
select EXTCON if we have selected USB_PHY, moreover we have included
the "linux/extcon.h" in phy.h file.

--
Baolin.wang
Best Regards