linux-kernel - [thierryreding:for-5.18/work 143/143] drivers/iommu/tegra-smmu.c:906:38: error: 'struct tegra

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Date:   Thu, 24 Feb 2022 06:51:18 +0800
From:   kernel test robot <lkp@...el.com>
To:     Thierry Reding <treding@...dia.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [thierryreding:for-5.18/work 143/143]
 drivers/iommu/tegra-smmu.c:906:38: error: 'struct tegra_smmu' has no member
 named 'parent'

tree:   https://github.com/thierryreding/linux for-5.18/work
head:   1cdb7fffbcf8f949410bfa97c8cca5acc0285a48
commit: 1cdb7fffbcf8f949410bfa97c8cca5acc0285a48 [143/143] WIP
config: arm64-buildonly-randconfig-r004-20220223 (https://download.01.org/0day-ci/archive/20220224/202202240656.fYdbh6e7-lkp@intel.com/config)
compiler: aarch64-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/thierryreding/linux/commit/1cdb7fffbcf8f949410bfa97c8cca5acc0285a48
        git remote add thierryreding https://github.com/thierryreding/linux
        git fetch --no-tags thierryreding for-5.18/work
        git checkout 1cdb7fffbcf8f949410bfa97c8cca5acc0285a48
        # 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=arm64 SHELL=/bin/bash drivers/iommu/ drivers/soc/tegra/

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

All error/warnings (new ones prefixed by >>):

   drivers/iommu/tegra-smmu.c: In function 'tegra_smmu_probe_device':
>> drivers/iommu/tegra-smmu.c:906:38: error: 'struct tegra_smmu' has no member named 'parent'
     906 |                         parent = smmu->parent;
         |                                      ^~
>> drivers/iommu/tegra-smmu.c:914:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
     914 |         if (!smmu)
         |         ^~
   drivers/iommu/tegra-smmu.c:918:17: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
     918 |                 return ERR_PTR(-ENODEV);
         |                 ^~~~~~
   drivers/iommu/tegra-smmu.c: At top level:
>> drivers/iommu/tegra-smmu.c:921:9: error: expected identifier or '(' before 'return'
     921 |         return &smmu->iommu;
         |         ^~~~~~
>> drivers/iommu/tegra-smmu.c:922:1: error: expected identifier or '(' before '}' token
     922 | }
         | ^
--
>> make[4]: *** No rule to make target 'drivers/soc/tegra/dce.o', needed by 'drivers/soc/tegra/built-in.a'.
   make[4]: *** [scripts/Makefile.build:614: drivers/soc/tegra/cbb] Error 2
   make[4]: Target '__build' not remade because of errors.


vim +906 drivers/iommu/tegra-smmu.c

   885	
   886	static struct iommu_device *tegra_smmu_probe_device(struct device *dev)
   887	{
   888		struct device_node *np = dev->of_node;
   889		struct tegra_smmu *smmu = NULL;
   890		struct device *parent = NULL;
   891		struct of_phandle_args args;
   892		unsigned int index = 0;
   893		int err;
   894	
   895		while (of_parse_phandle_with_args(np, "iommus", "#iommu-cells", index,
   896						  &args) == 0) {
   897			smmu = tegra_smmu_find(args.np);
   898			if (smmu) {
   899				err = tegra_smmu_configure(smmu, dev, &args);
   900				if (err < 0) {
   901					put_device(smmu->dev);
   902					of_node_put(args.np);
   903					return ERR_PTR(err);
   904				}
   905	
 > 906				parent = smmu->parent;
   907			}
   908	
   909			of_node_put(args.np);
   910			index++;
   911		}
   912	
   913		smmu = dev_iommu_priv_get(dev);
 > 914		if (!smmu)
   915			if (parent)
   916				put_device(parent);
   917	
 > 918			return ERR_PTR(-ENODEV);
   919		}
   920	
 > 921		return &smmu->iommu;
 > 922	}
   923	

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