linux-kernel - Re: [v6 1/3] ACPI/IORT: Fixup SMMUv3 resource size for Cavium ThunderX2 SMMUv3 model

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Date:   Sat, 13 May 2017 08:33:59 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Geetha sowjanya <gakula@...iumnetworks.com>
Cc:     kbuild-all@...org, will.deacon@....com, robin.murphy@....com,
        lorenzo.pieralisi@....com, hanjun.guo@...aro.org,
        sudeep.holla@....com, iommu@...ts.linux-foundation.org,
        robert.moore@...el.com, lv.zheng@...el.com, rjw@...ysocki.net,
        jcm@...hat.com, linux-kernel@...r.kernel.org,
        robert.richter@...ium.com, catalin.marinas@....com,
        sgoutham@...ium.com, linux-arm-kernel@...ts.infradead.org,
        linux-acpi@...r.kernel.org, geethasowjanya.akula@...il.com,
        devel@...ica.org, linu.cherian@...ium.com,
        Charles.Garcia-Tobin@....com,
        Geetha Sowjanya <geethasowjanya.akula@...ium.com>
Subject: Re: [v6 1/3] ACPI/IORT: Fixup SMMUv3 resource size for Cavium
 ThunderX2 SMMUv3 model

Hi Linu,

[auto build test ERROR on arm64/for-next/core]
[also build test ERROR on v4.11 next-20170512]
[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/Geetha-sowjanya/Cavium-ThunderX2-SMMUv3-errata-workarounds/20170513-065956
base:   https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core
config: arm64-defconfig (attached as .config)
compiler: aarch64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=arm64 

All errors (new ones prefixed by >>):

   drivers/acpi/arm64/iort.c: In function 'arm_smmu_v3_init_resources':
>> drivers/acpi/arm64/iort.c:777:21: error: 'ACPI_IORT_SMMU_CAVIUM_CN99XX' undeclared (first use in this function)
     if (smmu->model == ACPI_IORT_SMMU_CAVIUM_CN99XX)
                        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/acpi/arm64/iort.c:777:21: note: each undeclared identifier is reported only once for each function it appears in

vim +/ACPI_IORT_SMMU_CAVIUM_CN99XX +777 drivers/acpi/arm64/iort.c

   771		smmu = (struct acpi_iort_smmu_v3 *)node->node_data;
   772	
   773		/*
   774		 * Override the size, for Cavium ThunderX2 implementation
   775		 * which doesn't support the page 1 SMMU register space.
   776		 */
 > 777		if (smmu->model == ACPI_IORT_SMMU_CAVIUM_CN99XX)
   778			size = SZ_64K;
   779	
   780		res[num_res].start = smmu->base_address;

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