linux-kernel - Re: [PATCH v13 08/10] iommu/arm-smmu-v3: Add in-kernel support for NVIDIA Tegra241 (Grace) CMDQV

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Message-ID: <202408270546.xsCRcuPC-lkp@intel.com>
Date: Tue, 27 Aug 2024 05:44:47 +0800
From: kernel test robot <lkp@...el.com>
To: Nicolin Chen <nicolinc@...dia.com>, will@...nel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	robin.murphy@....com, joro@...tes.org, jgg@...dia.com,
	thierry.reding@...il.com, vdumpa@...dia.com, jonathanh@...dia.com,
	linux-kernel@...r.kernel.org, iommu@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org, linux-tegra@...r.kernel.org
Subject: Re: [PATCH v13 08/10] iommu/arm-smmu-v3: Add in-kernel support for
 NVIDIA Tegra241 (Grace) CMDQV

Hi Nicolin,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linus/master]
[also build test WARNING on v6.11-rc5 next-20240826]
[cannot apply to joro-iommu/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/Nicolin-Chen/iommu-arm-smmu-v3-Issue-a-batch-of-commands-to-the-same-cmdq/20240826-150025
base:   linus/master
patch link:    https://lore.kernel.org/r/77da90f2e9c0352ae254825e5ec788589bacc780.1724453781.git.nicolinc%40nvidia.com
patch subject: [PATCH v13 08/10] iommu/arm-smmu-v3: Add in-kernel support for NVIDIA Tegra241 (Grace) CMDQV
config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20240827/202408270546.xsCRcuPC-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 08e5a1de8227512d4774a534b91cb2353cef6284)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240827/202408270546.xsCRcuPC-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202408270546.xsCRcuPC-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/iommu/arm/arm-smmu-v3/tegra241-cmdqv.c:186: warning: Function parameter or struct member 'dev' not described in 'tegra241_cmdqv'


vim +186 drivers/iommu/arm/arm-smmu-v3/tegra241-cmdqv.c

   159	
   160	/**
   161	 * struct tegra241_cmdqv - CMDQ-V for SMMUv3
   162	 * @smmu: SMMUv3 device
   163	 * @base: MMIO base address
   164	 * @irq: IRQ number
   165	 * @num_vintfs: Total number of VINTFs
   166	 * @num_vcmdqs: Total number of VCMDQs
   167	 * @num_lvcmdqs_per_vintf: Number of logical VCMDQs per VINTF
   168	 * @vintf_ids: VINTF id allocator
   169	 * @vintfs: List of VINTFs
   170	 */
   171	struct tegra241_cmdqv {
   172		struct arm_smmu_device smmu;
   173		struct device *dev;
   174	
   175		void __iomem *base;
   176		int irq;
   177	
   178		/* CMDQV Hardware Params */
   179		u16 num_vintfs;
   180		u16 num_vcmdqs;
   181		u16 num_lvcmdqs_per_vintf;
   182	
   183		struct ida vintf_ids;
   184	
   185		struct tegra241_vintf **vintfs;
 > 186	};
   187	

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