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From 7096f8cbba75b5a6a9ba440cae5c16092b16e492 Mon Sep 17 00:00:00 2001
From: Juri Lelli <juri.lelli@arm.com>
Date: Wed, 31 Aug 2016 18:05:12 +0100
Subject: [PATCH 28/92] fixup! arm64: parse cpu capacity-dmips-mhz from DT
(cherry picked from commit 2aa41d080e07f93dc979a23bf4e40f91e3643fb0)
Signed-off-by: Gaku Inami <gaku.inami.xw@bp.renesas.com>
---
arch/arm64/kernel/topology.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/arch/arm64/kernel/topology.c b/arch/arm64/kernel/topology.c
index c1277c19..b75b0ba 100644
--- a/arch/arm64/kernel/topology.c
+++ b/arch/arm64/kernel/topology.c
@@ -101,6 +101,8 @@ static void normalize_cpu_capacity(void)
#ifdef CONFIG_CPU_FREQ
static cpumask_var_t cpus_to_visit;
static bool cap_parsing_done;
+static void parsing_done_workfn(struct work_struct *work);
+static DECLARE_WORK(parsing_done_work, parsing_done_workfn);
static int
init_cpu_capacity_callback(struct notifier_block *nb,
@@ -131,6 +133,7 @@ static void normalize_cpu_capacity(void)
kfree(raw_capacity);
pr_debug("cpu_capacity: parsing done\n");
cap_parsing_done = true;
+ schedule_work(&parsing_done_work);
}
}
return 0;
@@ -155,6 +158,13 @@ static int __init register_cpufreq_notifier(void)
CPUFREQ_POLICY_NOTIFIER);
}
core_initcall(register_cpufreq_notifier);
+
+static void parsing_done_workfn(struct work_struct *work)
+{
+ cpufreq_unregister_notifier(&init_cpu_capacity_notifier,
+ CPUFREQ_POLICY_NOTIFIER);
+}
+
#else
static int __init free_raw_capacity(void)
{
--
1.9.1
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