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perf/smmuv3: Fix unused variable warning when CONFIG_OF=n

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The kbuild robot reports that building the SMMUv3 PMU driver with
CONFIG_OF=n results in a warning for W=1 builds:

>> drivers/perf/arm_smmuv3_pmu.c:889:34: warning: unused variable 'smmu_pmu_of_match' [-Wunused-const-variable]
   static const struct of_device_id smmu_pmu_of_match[] = {
                                    ^

Guard the match table with #ifdef CONFIG_OF.

Link: https://lore.kernel.org/r/202201041700.01KZEzhb-lkp@intel.com
Fixes: 3f7be43561 ("perf/smmuv3: Add devicetree support")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Will Deacon
2022-01-04 13:34:12 +00:00
parent 1609c22a8a
commit 527a7f5252
1 changed files with 2 additions and 0 deletions
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drivers/perf/arm_smmuv3_pmu.c
+2
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@@ -939,11 +939,13 @@ static void smmu_pmu_shutdown(struct platform_device *pdev)
smmu_pmu_disable(&smmu_pmu->pmu);
}
#ifdef CONFIG_OF
static const struct of_device_id smmu_pmu_of_match[] = {
{ .compatible = "arm,smmu-v3-pmcg" },
{}
};
MODULE_DEVICE_TABLE(of, smmu_pmu_of_match);
#endif
static struct platform_driver smmu_pmu_driver = {
.driver = {