Date:   Sat, 27 Nov 2021 08:34:00 +0800
From:   kernel test robot <lkp@intel.com>
To:     Cai Huoqing <caihuoqing@baidu.com>
Cc:     kbuild-all@lists.01.org, Rob Herring <robh+dt@kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-staging@lists.linux.dev
Subject: Re: [PATCH v2 1/3] staging: zynpu: Add driver support for ARM(China)
 ZHOUYI AI accelerator
Message-ID: <202111270828.tUBxzc9e-lkp@intel.com>
References: <20211124084620.628-2-caihuoqing@baidu.com>
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In-Reply-To: <20211124084620.628-2-caihuoqing@baidu.com>
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Hi Cai,

I love your patch! Yet something to improve:

[auto build test ERROR on staging/staging-testing]

url:    https://github.com/0day-ci/linux/commits/Cai-Huoqing/staging-zynpu-Add-driver-support-for-ARM-China-ZHOUYI-AI-accelerator/20211124-164741
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 1189d2fb15a4b09b2e8dd01d60a0817d985d933d
config: csky-buildonly-randconfig-r004-20211126 (https://download.01.org/0day-ci/archive/20211127/202111270828.tUBxzc9e-lkp@intel.com/config)
compiler: csky-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/95965c589ea2e279e082e3c9aa18c2ddd8494d64
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Cai-Huoqing/staging-zynpu-Add-driver-support-for-ARM-China-ZHOUYI-AI-accelerator/20211124-164741
        git checkout 95965c589ea2e279e082e3c9aa18c2ddd8494d64
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=csky SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> csky-linux-ld: drivers/staging/zynpu/zynpu_drv.o:(.rodata+0xc0): undefined reference to `z2_platform_priv'

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org