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

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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: Robin Randhawa <robin.randhawa@arm.com>
This commit is contained in:
Robin Randhawa
2015-06-09 15:10:00 +01:00
committed by Leo Yan
parent d2b3db032e
commit 8296e78e5e
1 changed files with 33 additions and 0 deletions
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33
arch/arm64/kernel/topology.c
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@@ -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 @@ out:
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();
}