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Date:   Thu, 8 Jun 2023 09:35:31 +0800
From:   kernel test robot <lkp@intel.com>
To:     Stanley Chang <stanley_chang@realtek.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc:     oe-kbuild-all@lists.linux.dev,
        Stanley Chang <stanley_chang@realtek.com>,
        Vinod Koul <vkoul@kernel.org>,
        Kishon Vijay Abraham I <kishon@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzk@kernel.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Alan Stern <stern@rowland.harvard.edu>,
        Ray Chi <raychi@google.com>,
        Michael Grzeschik <m.grzeschik@pengutronix.de>,
        Flavio Suligoi <f.suligoi@asem.it>,
        Matthias Kaehlcke <mka@chromium.org>,
        Mathias Nyman <mathias.nyman@linux.intel.com>,
        linux-phy@lists.infradead.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
Subject: Re: [PATCH v3 3/5] phy: realtek: usb: Add driver for the Realtek SoC
 USB 3.0 PHY
Message-ID: <202306080940.5Lcjwfck-lkp@intel.com>
References: <20230607062500.24669-3-stanley_chang@realtek.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
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In-Reply-To: <20230607062500.24669-3-stanley_chang@realtek.com>
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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 robh/for-next linus/master v6.4-rc5 next-20230607]
[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/phy-realtek-usb-Add-driver-for-the-Realtek-SoC-USB-2-0-PHY/20230607-142704
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
patch link:    https://lore.kernel.org/r/20230607062500.24669-3-stanley_chang%40realtek.com
patch subject: [PATCH v3 3/5] phy: realtek: usb: Add driver for the Realtek SoC USB 3.0 PHY
config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20230608/202306080940.5Lcjwfck-lkp@intel.com/config)
compiler: s390-linux-gcc (GCC) 12.3.0
reproduce (this is a W=1 build):
        mkdir -p ~/bin
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git remote add usb https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git
        git fetch usb usb-testing
        git checkout usb/usb-testing
        b4 shazam https://lore.kernel.org/r/20230607062500.24669-3-stanley_chang@realtek.com
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=s390 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash

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/202306080940.5Lcjwfck-lkp@intel.com/

All errors (new ones prefixed by >>, old ones prefixed by <<):

ERROR: modpost: "usb_remove_phy" [drivers/phy/realtek/phy-rtk-usb2.ko] undefined!
ERROR: modpost: "usb_debug_root" [drivers/phy/realtek/phy-rtk-usb2.ko] undefined!
ERROR: modpost: "of_iomap" [drivers/phy/realtek/phy-rtk-usb2.ko] undefined!
ERROR: modpost: "usb_add_phy_dev" [drivers/phy/realtek/phy-rtk-usb2.ko] undefined!
>> ERROR: modpost: "usb_remove_phy" [drivers/phy/realtek/phy-rtk-usb3.ko] undefined!
>> ERROR: modpost: "usb_debug_root" [drivers/phy/realtek/phy-rtk-usb3.ko] undefined!
>> ERROR: modpost: "of_iomap" [drivers/phy/realtek/phy-rtk-usb3.ko] undefined!
>> ERROR: modpost: "usb_add_phy_dev" [drivers/phy/realtek/phy-rtk-usb3.ko] undefined!
ERROR: modpost: "devm_ioremap_resource" [drivers/dma/qcom/hdma.ko] undefined!
ERROR: modpost: "devm_platform_ioremap_resource" [drivers/dma/fsl-edma.ko] undefined!
WARNING: modpost: suppressed 26 unresolved symbol warnings because there were too many)

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for USB_PHY
   Depends on [n]: USB_SUPPORT [=n]
   Selected by [m]:
   - PHY_RTK_RTD_USB2PHY [=m]
   - PHY_RTK_RTD_USB3PHY [=m]

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