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Date:   Fri, 12 Jun 2020 13:11:50 +0800
From:   kernel test robot <lkp@...el.com>
To:     Jordan Crouse <jcrouse@...eaurora.org>,
        linux-arm-msm@...r.kernel.org
Cc:     kbuild-all@...ts.01.org, iommu@...ts.linux-foundation.org,
        freedreno@...ts.freedesktop.org, Joerg Roedel <joro@...tes.org>,
        Robin Murphy <robin.murphy@....com>,
        Will Deacon <will@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v8 5/7] iommu/arm-smmu: Add implementation for the adreno
 GPU SMMU

Hi Jordan,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on next-20200611]
[cannot apply to iommu/next robh/for-next arm/for-next keystone/next rockchip/for-next arm64/for-next/core shawnguo/for-next soc/for-next v5.7]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Jordan-Crouse/iommu-arm-smmu-Enable-split-pagetable-support/20200612-094718
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git b961f8dc8976c091180839f4483d67b7c2ca2578
config: arm64-randconfig-s031-20200612 (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.1-250-g42323db3-dirty
        # save the attached .config to linux build tree
        make W=1 C=1 ARCH=arm64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

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 >>, old ones prefixed by <<):

drivers/iommu/arm-smmu-qcom.c: In function 'qcom_adreno_smmu_is_gpu_device':
>> drivers/iommu/arm-smmu-qcom.c:17:49: error: 'smmu_domain->dev' is a pointer; did you mean to use '->'?
17 |  return of_device_is_compatible(smmu_domain->dev.of_node, "qcom,adreno");
|                                                 ^
|                                                 ->
>> drivers/iommu/arm-smmu-qcom.c:18:1: warning: control reaches end of non-void function [-Wreturn-type]
18 | }
| ^

vim +17 drivers/iommu/arm-smmu-qcom.c

    14	
    15	static bool qcom_adreno_smmu_is_gpu_device(struct arm_smmu_domain *smmu_domain)
    16	{
  > 17		return of_device_is_compatible(smmu_domain->dev.of_node, "qcom,adreno");
  > 18	}
    19	

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

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