linux-kernel - Re: [PATCH 3/3] iommu/tegra194_smmu: Add Tegra194 SMMU driver

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Message-ID: <201810241524.jCAbYVLi%fengguang.wu@intel.com>
Date:   Wed, 24 Oct 2018 15:22:27 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Krishna Reddy <vdumpa@...dia.com>
Cc:     kbuild-all@...org, will.deacon@....com, robin.murphy@....com,
        joro@...tes.org, linux-arm-kernel@...ts.infradead.org,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
        linux-tegra@...r.kernel.org, treding@...dia.com, yhsu@...dia.com,
        snikam@...dia.com, praithatha@...dia.com, talho@...dia.com,
        avanbrunt@...dia.com, Krishna Reddy <vdumpa@...dia.com>
Subject: Re: [PATCH 3/3] iommu/tegra194_smmu: Add Tegra194 SMMU driver

Hi Krishna,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on iommu/next]
[also build test ERROR on next-20181019]
[cannot apply to v4.19]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Krishna-Reddy/Add-Tegra194-Dual-ARM-SMMU-driver/20181024-123501
base:   https://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git next
config: arm-multi_v7_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.2.0 make.cross ARCH=arm 

All errors (new ones prefixed by >>):

   drivers/iommu/tegra194-smmu.o: In function `arm_smmu_attach_dev':
>> tegra194-smmu.c:(.text+0x1800): undefined reference to `alloc_io_pgtable_ops'
   drivers/iommu/tegra194-smmu.o: In function `arm_smmu_domain_free':
>> tegra194-smmu.c:(.text+0x1af8): undefined reference to `free_io_pgtable_ops'

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0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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