perf: arm_spe: Print the version of SPE detected

There's up to 4 versions of SPE now. Let's add the version that's been
detected to the driver's informational print out.

Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230206204746.1452942-1-robh@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>

diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c
index 573db42..b9ba4c4 100644 (file)
--- a/drivers/perf/arm_spe_pmu.c
+++ b/drivers/perf/arm_spe_pmu.c
@@ -1105,8 +1105,8 @@ static void __arm_spe_pmu_dev_probe(void *info)
        }
 
        dev_info(dev,
-                "probed for CPUs %*pbl [max_record_sz %u, align %u, features 0x%llx]\n",
-                cpumask_pr_args(&spe_pmu->supported_cpus),
+                "probed SPEv1.%d for CPUs %*pbl [max_record_sz %u, align %u, features 0x%llx]\n",
+                spe_pmu->pmsver - 1, cpumask_pr_args(&spe_pmu->supported_cpus),
                 spe_pmu->max_record_sz, spe_pmu->align, spe_pmu->features);
 
        spe_pmu->features |= SPE_PMU_FEAT_DEV_PROBED;