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Message-ID: <20210203025802.30201-2-seiya.wang@mediatek.com>
Date:   Wed, 3 Feb 2021 10:58:01 +0800
From:   Seiya Wang <seiya.wang@...iatek.com>
To:     Will Deacon <will@...nel.org>, Mark Rutland <mark.rutland@....com>,
        Rob Herring <robh+dt@...nel.org>
CC:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>,
        <srv_heupstream@...iatek.com>, Seiya Wang <seiya.wang@...iatek.com>
Subject: [PATCH 1/2] arm64: perf: add support for Cortex-A78

Add support for Cortex-A78 using generic PMUv3 for now.

Signed-off-by: Seiya Wang <seiya.wang@...iatek.com>
---
 arch/arm64/kernel/perf_event.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
index 38bb07eff872..62ec2b4ea403 100644
--- a/arch/arm64/kernel/perf_event.c
+++ b/arch/arm64/kernel/perf_event.c
@@ -1190,6 +1190,12 @@ static int armv8_a77_pmu_init(struct arm_pmu *cpu_pmu)
 				       armv8_pmuv3_map_event);
 }
 
+static int armv8_a78_pmu_init(struct arm_pmu *cpu_pmu)
+{
+	return armv8_pmu_init_nogroups(cpu_pmu, "armv8_cortex_a78",
+				       armv8_pmuv3_map_event);
+}
+
 static int armv8_e1_pmu_init(struct arm_pmu *cpu_pmu)
 {
 	return armv8_pmu_init_nogroups(cpu_pmu, "armv8_neoverse_e1",
@@ -1227,6 +1233,7 @@ static const struct of_device_id armv8_pmu_of_device_ids[] = {
 	{.compatible = "arm,cortex-a75-pmu",	.data = armv8_a75_pmu_init},
 	{.compatible = "arm,cortex-a76-pmu",	.data = armv8_a76_pmu_init},
 	{.compatible = "arm,cortex-a77-pmu",	.data = armv8_a77_pmu_init},
+	{.compatible = "arm,cortex-a78-pmu",	.data = armv8_a78_pmu_init},
 	{.compatible = "arm,neoverse-e1-pmu",	.data = armv8_e1_pmu_init},
 	{.compatible = "arm,neoverse-n1-pmu",	.data = armv8_n1_pmu_init},
 	{.compatible = "cavium,thunder-pmu",	.data = armv8_thunder_pmu_init},
-- 
2.14.1

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