ARC: perf: don't add code for impossible case

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>

diff --git a/arch/arc/kernel/perf_event.c b/arch/arc/kernel/perf_event.c
index 165e0b604167857a99977ac506ad68c988e15a53..fd2ec50102f201254b1e5e51b4bbc7fa93fba95a 100644 (file)
--- a/arch/arc/kernel/perf_event.c
+++ b/arch/arc/kernel/perf_event.c
@@ -288,10 +288,7 @@ static int arc_pmu_device_probe(struct platform_device *pdev)
        BUG_ON(pct_bcr.c > ARC_PMU_MAX_HWEVENTS);
 
        READ_BCR(ARC_REG_CC_BUILD, cc_bcr);
-       if (!cc_bcr.v) {
-               pr_err("Performance counters exist, but no countable conditions?\n");
-               return -ENODEV;
-       }
+       BUG_ON(!cc_bcr.v); /* Counters exist but No countable conditions ? */
 
        arc_pmu = devm_kzalloc(&pdev->dev, sizeof(struct arc_pmu), GFP_KERNEL);
        if (!arc_pmu)