Re: [PATCH 1/3] usb: host: fotg2: add devicetree probing

From: kbuild test robot <lkp@intel.com>
To: Hans Ulli Kroll <ulli.kroll@googlemail.com>
Cc: kbuild-all@01.org, linux-kernel@vger.kernel.org,
	devicetree@vger.kernel.org, linux-usb@vger.kernel.org,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Linus Walleij <linus.walleij@linaro.org>,
	Hans Ulli Kroll <ulli.kroll@googlemail.com>
Subject: Re: [PATCH 1/3] usb: host: fotg2: add devicetree probing
Date: Thu, 9 Feb 2017 07:51:52 +0800	[thread overview]
Message-ID: <201702090740.OM5XOHdt%fengguang.wu@intel.com> (raw)
In-Reply-To: <20170208200010.21522-2-ulli.kroll@googlemail.com>

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Hi Hans,

[auto build test ERROR on usb/usb-testing]
[also build test ERROR on v4.10-rc7 next-20170208]
[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/Hans-Ulli-Kroll/usb-host-fotg2-add-devicetree-probing/20170209-042041
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
config: x86_64-randconfig-s4-02090632 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All error/warnings (new ones prefixed by >>):

   In file included from drivers/usb/host/fotg210-hcd.c:25:0:
>> drivers/usb/host/fotg210-hcd.c:5694:25: error: 'exynos_ehci_match' undeclared here (not in a function)
    MODULE_DEVICE_TABLE(of, exynos_ehci_match);
                            ^
   include/linux/module.h:213:21: note: in definition of macro 'MODULE_DEVICE_TABLE'
    extern const typeof(name) __mod_##type##__##name##_device_table  \
                        ^~~~
>> include/linux/module.h:213:27: error: '__mod_of__exynos_ehci_match_device_table' aliased to undefined symbol 'exynos_ehci_match'
    extern const typeof(name) __mod_##type##__##name##_device_table  \
                              ^
>> drivers/usb/host/fotg210-hcd.c:5694:1: note: in expansion of macro 'MODULE_DEVICE_TABLE'
    MODULE_DEVICE_TABLE(of, exynos_ehci_match);
    ^~~~~~~~~~~~~~~~~~~

vim +/exynos_ehci_match +5694 drivers/usb/host/fotg210-hcd.c

  5688	
  5689	#ifdef CONFIG_OF
  5690	static const struct of_device_id fotg210_ehci_match[] = {
  5691		{ .compatible = "faraday,fotg210-hcd" },
  5692		{},
  5693	};
> 5694	MODULE_DEVICE_TABLE(of, exynos_ehci_match);
  5695	#endif
  5696	
  5697	static struct platform_driver fotg210_hcd_driver = {

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