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Date:   Sat, 29 Jul 2023 12:36:24 +0800
From:   kernel test robot <lkp@intel.com>
To:     Stanley Chang <stanley_chang@realtek.com>,
        Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Cc:     oe-kbuild-all@lists.linux.dev,
        Stanley Chang <stanley_chang@realtek.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzk@kernel.org>,
        Conor Dooley <conor+dt@kernel.org>, linux-usb@vger.kernel.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v1 1/2] usb: dwc3: add Realtek DHC RTD SoC dwc3 glue
 layer driver
Message-ID: <202307291202.NBP2coNC-lkp@intel.com>
References: <20230728035318.18741-1-stanley_chang@realtek.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20230728035318.18741-1-stanley_chang@realtek.com>
Precedence: bulk

Hi Stanley,

kernel test robot noticed the following build errors:

[auto build test ERROR on usb/usb-testing]
[also build test ERROR on usb/usb-next usb/usb-linus linus/master v6.5-rc3 next-20230728]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Stanley-Chang/doc-dt-bindings-usb-realtek-dwc3-Add-Realtek-DHC-RTD-SoC-DWC3-USB/20230728-115507
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
patch link:    https://lore.kernel.org/r/20230728035318.18741-1-stanley_chang%40realtek.com
patch subject: [PATCH v1 1/2] usb: dwc3: add Realtek DHC RTD SoC dwc3 glue layer driver
config: x86_64-randconfig-r072-20230728 (https://download.01.org/0day-ci/archive/20230729/202307291202.NBP2coNC-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce: (https://download.01.org/0day-ci/archive/20230729/202307291202.NBP2coNC-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202307291202.NBP2coNC-lkp@intel.com/

All errors (new ones prefixed by >>):

   ld: vmlinux.o: in function `dwc3_rtk_remove_role_switch':
>> drivers/usb/dwc3/dwc3-rtk.c:196: undefined reference to `usb_role_switch_unregister'


vim +196 drivers/usb/dwc3/dwc3-rtk.c

   192	
   193	static int dwc3_rtk_remove_role_switch(struct dwc3_rtk *rtk)
   194	{
   195		if (rtk->role_switch)
 > 196			usb_role_switch_unregister(rtk->role_switch);
   197	
   198		rtk->role_switch = NULL;
   199	
   200		return 0;
   201	}
   202	#else
   203	#define dwc3_rtk_setup_role_switch(x) 0
   204	#define dwc3_rtk_remove_role_switch(x) 0
   205	#endif
   206	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki