Re: [PATCH v10 8/9] iommu/arm-smmu-v3: Add in-kernel support for NVIDIA Tegra241 (Grace) CMDQV
From: kernel test robot
Date: Mon Jul 29 2024 - 10:02:11 EST
Hi Nicolin,
kernel test robot noticed the following build warnings:
[auto build test WARNING on linus/master]
[also build test WARNING on v6.11-rc1 next-20240729]
[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/20240729-072957
base: linus/master
patch link: https://lore.kernel.org/r/ca671f4d090546c21a0aba6fa4ddda8da26d4474.1722206275.git.nicolinc%40nvidia.com
patch subject: [PATCH v10 8/9] iommu/arm-smmu-v3: Add in-kernel support for NVIDIA Tegra241 (Grace) CMDQV
config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20240729/202407292157.BauV7TPf-lkp@xxxxxxxxx/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project ccae7b461be339e717d02f99ac857cf0bc7d17fc)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240729/202407292157.BauV7TPf-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202407292157.BauV7TPf-lkp@xxxxxxxxx/
All warnings (new ones prefixed by >>):
>> drivers/iommu/arm/arm-smmu-v3/tegra241-cmdqv.c:186: warning: Function parameter or struct member 'vintfs' not described in 'tegra241_cmdqv'
>> drivers/iommu/arm/arm-smmu-v3/tegra241-cmdqv.c:186: warning: Excess struct member 'vtinfs' description in 'tegra241_cmdqv'
vim +186 drivers/iommu/arm/arm-smmu-v3/tegra241-cmdqv.c
160
161 /**
162 * struct tegra241_cmdqv - CMDQ-V for SMMUv3
163 * @smmu: SMMUv3 device
164 * @base: MMIO base address
165 * @irq: IRQ number
166 * @num_vintfs: Total number of VINTFs
167 * @num_vcmdqs: Total number of VCMDQs
168 * @num_lvcmdqs_per_vintf: Number of logical VCMDQs per VINTF
169 * @vintf_ids: VINTF id allocator
170 * @vtinfs: List of VINTFs
171 */
172 struct tegra241_cmdqv {
173 struct arm_smmu_device smmu;
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
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