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Commit 4f569991 authored by Robin Randhawa's avatar Robin Randhawa Committed by Dmitry Shmidt
Browse files

ANDROID: arm64, topology: Updates to use DT bindings for EAS costing data 



With the bindings and the associated accessors to extract data from the
bindings in place, remove the static hard-coded data from topology.c and
use the accesors instead.

Signed-off-by: default avatarRobin Randhawa <robin.randhawa@arm.com>
Signed-off-by: default avatarAndres Oportus <andresoportus@google.com>
parent 5e900d48

arch/arm64/kernel/topology.c

+33 −0
Original line number Diff line number Diff line
@@ -19,6 +19,8 @@ 
#include <linux/nodemask.h>

#include <linux/of.h>

#include <linux/sched.h>

#include <linux/sched.h>

#include <linux/sched_energy.h>



#include <asm/cputype.h>

#include <asm/topology.h>
@@ -218,6 +220,33 @@ static int __init parse_dt_topology(void) 
struct cpu_topology cpu_topology[NR_CPUS];

EXPORT_SYMBOL_GPL(cpu_topology);



/* sd energy functions */

static inline

const struct sched_group_energy * const cpu_cluster_energy(int cpu)

{

	struct sched_group_energy *sge = sge_array[cpu][SD_LEVEL1];



	if (!sge) {

		pr_warn("Invalid sched_group_energy for Cluster%d\n", cpu);

		return NULL;

	}



	return sge;

}



static inline

const struct sched_group_energy * const cpu_core_energy(int cpu)

{

	struct sched_group_energy *sge = sge_array[cpu][SD_LEVEL0];



	if (!sge) {

		pr_warn("Invalid sched_group_energy for CPU%d\n", cpu);

		return NULL;

	}



	return sge;

}



const struct cpumask *cpu_coregroup_mask(int cpu)

{

	return &cpu_topology[cpu].core_sibling;
@@ -344,4 +373,8 @@ void __init init_cpu_topology(void) 
	 */

	if (of_have_populated_dt() && parse_dt_topology())

		reset_cpu_topology();

	else

		set_sched_topology(arm64_topology);



	init_sched_energy_costs();

}