[linux-next:master 7522/8111] drivers/usb/dwc3/drd.c:443:19: sparse: symbol 'dwc3_get_extcon' was not declared. Should it be static?

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   fbbe3b8c2c9c5f84caf668703c26154cb4fbb9d1
commit: 5f0b74e54890c354d6ac0124ea7a96adf22845d0 [7522/8111] USB: dwc3: get extcon device by OF graph bindings
reproduce:
        # apt-get install sparse
        git checkout 5f0b74e54890c354d6ac0124ea7a96adf22845d0
        make ARCH=x86_64 allmodconfig
        make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

>> drivers/usb/dwc3/drd.c:443:19: sparse: symbol 'dwc3_get_extcon' was not declared. Should it be static?

Please review and possibly fold the followup patch.

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