From 30e0cdcf9e05faa65ecde4ed8b70039568fdb660 Mon Sep 17 00:00:00 2001
From: Minda Chen <minda.chen@starfivetech.com>
Date: Thu, 2 Mar 2023 17:16:01 +0800
Subject: [PATCH 076/116] perf: sbi: disable cpu hotplug callback.

register cpu hotplug callback will cause dhrystone
and coremark benchmark reduce the scores. this CPU
hotplug ops will do in sbi cpu/on and off. So disable
this no side effect.

Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
Signed-off-by: Hal Feng <hal.feng@starfivetech.com>
---
 drivers/perf/riscv_pmu_sbi.c | 2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/perf/riscv_pmu_sbi.c
+++ b/drivers/perf/riscv_pmu_sbi.c
@@ -1114,9 +1114,11 @@ static int pmu_sbi_device_probe(struct p
 	}
 	pdev->dev.groups = pmu_sbi_groups;
 
+#ifndef CONFIG_ARCH_STARFIVE
 	ret = cpuhp_state_add_instance(CPUHP_AP_PERF_RISCV_STARTING, &pmu->node);
 	if (ret)
 		return ret;
+#endif
 
 	ret = riscv_pm_pmu_register(pmu);
 	if (ret)
