[meghadey-crypto:final_ims 1/8] drivers/perf/arm_smmuv3_pmu.c:655:21: error: variable 'smmu_pmu_msi_ops' has initializer but incomplete type

[kbuild test robot <lkp@intel.com>]

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tree:   https://github.com/meghadey/crypto final_ims
head:   c62539092ec56c5d71c7ee86dbb5eabd583492c1
commit: f6f2d5dda5d31d2150fe74fed1505695131c0fbf [1/8] drivers/base: Introduce platform_msi_ops
config: arm64-allmodconfig (attached as .config)
compiler: aarch64-linux-gcc (GCC) 7.5.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout f6f2d5dda5d31d2150fe74fed1505695131c0fbf
        # save the attached .config to linux build tree
        GCC_VERSION=7.5.0 make.cross ARCH=arm64 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>

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

>> drivers/perf/arm_smmuv3_pmu.c:655:21: error: variable 'smmu_pmu_msi_ops' has initializer but incomplete type
    static const struct gen_msi_ops smmu_pmu_msi_ops = {
                        ^~~~~~~~~~~
>> drivers/perf/arm_smmuv3_pmu.c:656:3: error: 'const struct gen_msi_ops' has no member named 'write_msg'
     .write_msg = smmu_pmu_write_msi_msg,
      ^~~~~~~~~
>> drivers/perf/arm_smmuv3_pmu.c:656:15: warning: excess elements in struct initializer
     .write_msg = smmu_pmu_write_msi_msg,
                  ^~~~~~~~~~~~~~~~~~~~~~
   drivers/perf/arm_smmuv3_pmu.c:656:15: note: (near initialization for 'smmu_pmu_msi_ops')
   drivers/perf/arm_smmuv3_pmu.c: In function 'smmu_pmu_setup_msi':
>> drivers/perf/arm_smmuv3_pmu.c:672:47: error: passing argument 3 of 'platform_msi_domain_alloc_irqs' from incompatible pointer type [-Werror=incompatible-pointer-types]
     ret = platform_msi_domain_alloc_irqs(dev, 1, &smmu_pmu_msi_ops);
                                                  ^
   In file included from drivers/perf/arm_smmuv3_pmu.c:49:0:
   include/linux/msi.h:350:5: note: expected 'const struct platform_msi_ops *' but argument is of type 'const struct gen_msi_ops *'
    int platform_msi_domain_alloc_irqs(struct device *dev, unsigned int nvec,
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/perf/arm_smmuv3_pmu.c: At top level:
>> drivers/perf/arm_smmuv3_pmu.c:655:33: error: storage size of 'smmu_pmu_msi_ops' isn't known
    static const struct gen_msi_ops smmu_pmu_msi_ops = {
                                    ^~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/smmu_pmu_msi_ops +655 drivers/perf/arm_smmuv3_pmu.c

   654	
 > 655	static const struct gen_msi_ops smmu_pmu_msi_ops = {
 > 656		.write_msg	= smmu_pmu_write_msi_msg,
   657	};
   658	
   659	static void smmu_pmu_setup_msi(struct smmu_pmu *pmu)
   660	{
   661		struct msi_desc *desc;
   662		struct device *dev = pmu->dev;
   663		int ret;
   664	
   665		/* Clear MSI address reg */
   666		writeq_relaxed(0, pmu->reg_base + SMMU_PMCG_IRQ_CFG0);
   667	
   668		/* MSI supported or not */
   669		if (!(readl(pmu->reg_base + SMMU_PMCG_CFGR) & SMMU_PMCG_CFGR_MSI))
   670			return;
   671	
 > 672		ret = platform_msi_domain_alloc_irqs(dev, 1, &smmu_pmu_msi_ops);
   673		if (ret) {
   674			dev_warn(dev, "failed to allocate MSIs\n");
   675			return;
   676		}
   677	
   678		desc = first_msi_entry(dev);
   679		if (desc)
   680			pmu->irq = desc->irq;
   681	
   682		/* Add callback to free MSIs on teardown */
   683		devm_add_action(dev, smmu_pmu_free_msis, dev);
   684	}
   685	

---
0-DAY kernel test infrastructure                 Open Source Technology Center
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