From: Rob Herring <robh@kernel.org>
To: Namhyung Kim <namhyung@kernel.org>, Will Deacon <will@kernel.org>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Jiri Olsa <jolsa@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Mark Rutland <mark.rutland@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Marc Zyngier <maz@kernel.org>,
Oliver Upton <oliver.upton@linux.dev>,
Ingo Molnar <mingo@redhat.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
James Morse <james.morse@arm.com>,
Alexandru Elisei <alexandru.elisei@arm.com>
Cc: kvmarm@lists.linux.dev, linux-perf-users@vger.kernel.org,
linux-kernel@vger.kernel.org, James Clark <james.clark@arm.com>,
Mark Brown <broonie@kernel.org>,
linux-arm-kernel@lists.infradead.org,
kvmarm@lists.cs.columbia.edu
Subject: [PATCH v3 5/8] perf: arm_spe: Use new PMSIDR_EL1 register enums
Date: Fri, 04 Nov 2022 10:55:05 -0500 [thread overview]
Message-ID: <20220825-arm-spe-v8-7-v3-5-87682f78caac@kernel.org> (raw)
In-Reply-To: <20220825-arm-spe-v8-7-v3-0-87682f78caac@kernel.org>
Now that the SPE register definitions include enums for some PMSIDR_EL1
fields, use them in the driver in place of magic values.
Signed-off-by: Rob Herring <robh@kernel.org>
---
v3: New patch
---
drivers/perf/arm_spe_pmu.c | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c
index 9b4bd72087ea..af6d3867c3e7 100644
--- a/drivers/perf/arm_spe_pmu.c
+++ b/drivers/perf/arm_spe_pmu.c
@@ -1006,32 +1006,32 @@ static void __arm_spe_pmu_dev_probe(void *info)
/* This field has a spaced out encoding, so just use a look-up */
fld = FIELD_GET(PMSIDR_EL1_INTERVAL, reg);
switch (fld) {
- case 0:
+ case PMSIDR_EL1_INTERVAL_256:
spe_pmu->min_period = 256;
break;
- case 2:
+ case PMSIDR_EL1_INTERVAL_512:
spe_pmu->min_period = 512;
break;
- case 3:
+ case PMSIDR_EL1_INTERVAL_768:
spe_pmu->min_period = 768;
break;
- case 4:
+ case PMSIDR_EL1_INTERVAL_1024:
spe_pmu->min_period = 1024;
break;
- case 5:
+ case PMSIDR_EL1_INTERVAL_1536:
spe_pmu->min_period = 1536;
break;
- case 6:
+ case PMSIDR_EL1_INTERVAL_2048:
spe_pmu->min_period = 2048;
break;
- case 7:
+ case PMSIDR_EL1_INTERVAL_3072:
spe_pmu->min_period = 3072;
break;
default:
dev_warn(dev, "unknown PMSIDR_EL1.Interval [%d]; assuming 8\n",
fld);
fallthrough;
- case 8:
+ case PMSIDR_EL1_INTERVAL_4096:
spe_pmu->min_period = 4096;
}
@@ -1050,10 +1050,10 @@ static void __arm_spe_pmu_dev_probe(void *info)
dev_warn(dev, "unknown PMSIDR_EL1.CountSize [%d]; assuming 2\n",
fld);
fallthrough;
- case 2:
+ case PMSIDR_EL1_COUNTSIZE_12_BIT_SAT:
spe_pmu->counter_sz = 12;
break;
- case 3:
+ case PMSIDR_EL1_COUNTSIZE_16_BIT_SAT:
spe_pmu->counter_sz = 16;
}
--
b4 0.11.0-dev
next prev parent reply other threads:[~2022-11-04 15:55 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-04 15:55 [PATCH v3 0/8] perf: Arm SPEv1.2 support Rob Herring
2022-11-04 15:55 ` [PATCH v3 1/8] perf: arm_spe: Use feature numbering for PMSEVFR_EL1 defines Rob Herring
2022-11-04 15:55 ` [PATCH v3 2/8] arm64: Drop SYS_ from SPE register defines Rob Herring
2022-11-04 15:55 ` [PATCH v3 3/8] arm64/sysreg: Convert SPE registers to automatic generation Rob Herring
2022-11-07 15:11 ` Mark Brown
2022-11-04 15:55 ` [PATCH v3 4/8] perf: arm_spe: Drop BIT() and use FIELD_GET/PREP accessors Rob Herring
2022-11-04 15:55 ` Rob Herring [this message]
2022-11-04 15:55 ` [PATCH v3 6/8] perf: arm_spe: Support new SPEv1.2/v8.7 'not taken' event Rob Herring
2022-11-04 15:55 ` [PATCH v3 7/8] perf: Add perf_event_attr::config3 Rob Herring
2022-11-18 16:49 ` Will Deacon
2022-11-28 15:37 ` Rob Herring
2022-11-28 16:35 ` Alexander Shishkin
2022-11-28 17:15 ` Rob Herring
2022-12-06 16:28 ` Mark Rutland
2022-12-07 19:56 ` Rob Herring
2022-11-04 15:55 ` [PATCH v3 8/8] perf: arm_spe: Add support for SPEv1.2 inverted event filtering Rob Herring
2022-11-07 19:48 ` Namhyung Kim
2022-11-08 13:12 ` Rob Herring
2022-11-17 14:43 ` [PATCH v3 0/8] perf: Arm SPEv1.2 support Rob Herring
2022-11-18 16:50 ` Will Deacon
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