linux-kernel - [PATCH] perf: arm_spe: Print the version of SPE detected

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Message-Id: <20230206204746.1452942-1-robh@kernel.org>
Date:   Mon,  6 Feb 2023 14:47:46 -0600
From:   Rob Herring <robh@...nel.org>
To:     Will Deacon <will@...nel.org>, Mark Rutland <mark.rutland@....com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] 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@...nel.org>
---
 drivers/perf/arm_spe_pmu.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c
index 573db4211acd..b9ba4c4fe5a2 100644
--- 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;
-- 
2.39.1