linux-kernel - [PATCH v2 04/10] arm: wire cpufreq input data for frequency-invariant accounting up to the arch

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Message-Id: <20170706094948.8779-5-dietmar.eggemann@arm.com>
Date:   Thu,  6 Jul 2017 10:49:42 +0100
From:   Dietmar Eggemann <dietmar.eggemann@....com>
To:     linux-kernel@...r.kernel.org
Cc:     linux-pm@...r.kernel.org, linux@....linux.org.uk,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Russell King <rmk+kernel@...linux.org.uk>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Juri Lelli <juri.lelli@....com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Morten Rasmussen <morten.rasmussen@....com>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>
Subject: [PATCH v2 04/10] arm: wire cpufreq input data for frequency-invariant accounting up to the arch

Define arch_set_freq_scale to be the arch_topology "driver" function
topology_set_freq_scale() to let FIE work correctly.

Cc: Russell King <linux@....linux.org.uk>
Cc: Juri Lelli <juri.lelli@....com>
Signed-off-by: Dietmar Eggemann <dietmar.eggemann@....com>
---
 arch/arm/include/asm/topology.h | 5 +++++
 arch/arm/kernel/topology.c      | 1 -
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/arm/include/asm/topology.h b/arch/arm/include/asm/topology.h
index 370f7a732900..ca05d1b90411 100644
--- a/arch/arm/include/asm/topology.h
+++ b/arch/arm/include/asm/topology.h
@@ -24,6 +24,11 @@ void init_cpu_topology(void);
 void store_cpu_topology(unsigned int cpuid);
 const struct cpumask *cpu_coregroup_mask(int cpu);
 
+#include <linux/arch_topology.h>
+
+/* Subscribe for input data for frequency-invariant load-tracking */
+#define arch_set_freq_scale topology_set_freq_scale
+
 #else
 
 static inline void init_cpu_topology(void) { }
diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c
index bf949a763dbe..2c47a76c67b0 100644
--- a/arch/arm/kernel/topology.c
+++ b/arch/arm/kernel/topology.c
@@ -11,7 +11,6 @@
  * for more details.
  */
 
-#include <linux/arch_topology.h>
 #include <linux/cpu.h>
 #include <linux/cpufreq.h>
 #include <linux/cpumask.h>
-- 
2.11.0