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':

quoted

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;

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