[tip:sched/core] ARM: topology: Use the new cpu_capacity interface

From: tip-bot for Vincent Guittot
Date: Fri Sep 19 2014 - 07:49:35 EST

Commit-ID: d3bfca1a7b028a57d648dbc0985492c6a4466ccf
Gitweb: http://git.kernel.org/tip/d3bfca1a7b028a57d648dbc0985492c6a4466ccf
Author: Vincent Guittot <vincent.guittot@xxxxxxxxxx>
AuthorDate: Tue, 26 Aug 2014 13:06:48 +0200
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Fri, 19 Sep 2014 12:35:27 +0200

ARM: topology: Use the new cpu_capacity interface

Use the new arch_scale_cpu_capacity() scheduler facility in order to reflect
the original capacity of a CPU instead of arch_scale_freq_capacity() which is
more linked to a scaling of the capacity linked to the frequency.

Signed-off-by: Vincent Guittot <vincent.guittot@xxxxxxxxxx>
Acked-by: Nicolas Pitre <nico@xxxxxxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Cc: preeti@xxxxxxxxxxxxxxxxxx
Cc: riel@xxxxxxxxxx
Cc: Morten.Rasmussen@xxxxxxx
Cc: efault@xxxxxx
Cc: daniel.lezcano@xxxxxxxxxx
Cc: dietmar.eggemann@xxxxxxx
Cc: Grant Likely <grant.likely@xxxxxxxxxx>
Cc: Guenter Roeck <linux@xxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Mark Brown <broonie@xxxxxxxxxx>
Cc: Nicolas Pitre <nicolas.pitre@xxxxxxxxxx>
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Cc: Russell King <linux@xxxxxxxxxxxxxxxx>
Cc: Vincent Guittot <vincent.guittot@xxxxxxxxxx>
Cc: devicetree@xxxxxxxxxxxxxxx
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Link: http://lkml.kernel.org/r/1409051215-16788-6-git-send-email-vincent.guittot@xxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
arch/arm/kernel/topology.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c
index e35d880..89cfdd6 100644
--- a/arch/arm/kernel/topology.c
+++ b/arch/arm/kernel/topology.c
@@ -42,7 +42,7 @@
static DEFINE_PER_CPU(unsigned long, cpu_scale);

-unsigned long arch_scale_freq_capacity(struct sched_domain *sd, int cpu)
+unsigned long arch_scale_cpu_capacity(struct sched_domain *sd, int cpu)
return per_cpu(cpu_scale, cpu);
@@ -166,7 +166,7 @@ static void update_cpu_capacity(unsigned int cpu)
set_capacity_scale(cpu, cpu_capacity(cpu) / middle_capacity);

printk(KERN_INFO "CPU%u: update cpu_capacity %lu\n",
- cpu, arch_scale_freq_capacity(NULL, cpu));
+ cpu, arch_scale_cpu_capacity(NULL, cpu));

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