linux-kernel - Re: [PATCH v3 06/10] soc: qcom: Add LLCC support for multi channel DDR

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Message-ID: <202305130303.wwdZb5hy-lkp@intel.com>
Date:   Sat, 13 May 2023 03:39:09 +0800
From:   kernel test robot <lkp@...el.com>
To:     Komal Bajaj <quic_kbajaj@...cinc.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        Komal Bajaj <quic_kbajaj@...cinc.com>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v3 06/10] soc: qcom: Add LLCC support for multi channel
 DDR

Hi Komal,

kernel test robot noticed the following build errors:

[auto build test ERROR on linus/master]
[also build test ERROR on v6.4-rc1 next-20230512]
[cannot apply to robh/for-next]
[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/Komal-Bajaj/nvmem-qfprom-Add-support-for-secure-reading/20230512-202430
base:   linus/master
patch link:    https://lore.kernel.org/r/20230512122134.24339-7-quic_kbajaj%40quicinc.com
patch subject: [PATCH v3 06/10] soc: qcom: Add LLCC support for multi channel DDR
config: riscv-randconfig-r042-20230509 (https://download.01.org/0day-ci/archive/20230513/202305130303.wwdZb5hy-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project b0fb98227c90adf2536c9ad644a74d5e92961111)
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
        # install riscv cross compiling tool for clang build
        # apt-get install binutils-riscv64-linux-gnu
        # https://github.com/intel-lab-lkp/linux/commit/52808ee1c4720767ab330b371d356ffbd8fe7235
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Komal-Bajaj/nvmem-qfprom-Add-support-for-secure-reading/20230512-202430
        git checkout 52808ee1c4720767ab330b371d356ffbd8fe7235
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/soc/qcom/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202305130303.wwdZb5hy-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/soc/qcom/llcc-qcom.c:951:8: error: call to undeclared function 'nvmem_cell_read_u8'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
           ret = nvmem_cell_read_u8(&pdev->dev, "multi_chan_ddr", cfg_index);
                 ^
   1 error generated.


vim +/nvmem_cell_read_u8 +951 drivers/soc/qcom/llcc-qcom.c

   946	
   947	static int qcom_llcc_get_cfg_index(struct platform_device *pdev, u8 *cfg_index)
   948	{
   949		int ret = 0;
   950	
 > 951		ret = nvmem_cell_read_u8(&pdev->dev, "multi_chan_ddr", cfg_index);
   952		if (ret == -ENOENT) {
   953			*cfg_index = 0;
   954			return 0;
   955		}
   956	
   957		return ret;
   958	}
   959	

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