From 527a7f52529fd661d200e6c4412b6d2528d1a6e8 Mon Sep 17 00:00:00 2001 From: Will Deacon Date: Tue, 4 Jan 2022 13:34:12 +0000 Subject: [PATCH] perf/smmuv3: Fix unused variable warning when CONFIG_OF=n 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: 3f7be4356176 ("perf/smmuv3: Add devicetree support") Reported-by: kernel test robot Signed-off-by: Will Deacon --- drivers/perf/arm_smmuv3_pmu.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/perf/arm_smmuv3_pmu.c b/drivers/perf/arm_smmuv3_pmu.c index 598d697..1ae19f73 100644 --- a/drivers/perf/arm_smmuv3_pmu.c +++ b/drivers/perf/arm_smmuv3_pmu.c @@ -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 = { -- 2.7.4