Commit 615ffd63 authored by Juri Lelli's avatar Juri Lelli Committed by Greg Kroah-Hartman
Browse files

arm,arm64,drivers: move externs in a new header file 



Create a new header file (include/linux/arch_topology.h) and put there
declarations of interfaces used by arm, arm64 and drivers code.

Signed-off-by: default avatarJuri Lelli <juri.lelli@arm.com>
Acked-by: default avatarRussell King <rmk+kernel@armlinux.org.uk>
Acked-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
Acked-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent c105aa31

arch/arm/kernel/topology.c

+1 −6
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ 
 * for more details.

 */



#include <linux/arch_topology.h>

#include <linux/cpu.h>

#include <linux/cpufreq.h>

#include <linux/cpumask.h>
@@ -45,10 +46,6 @@ 
 * updated during this sequence.

 */



extern unsigned long

arch_scale_cpu_capacity(struct sched_domain *sd, int cpu);

extern void set_capacity_scale(unsigned int cpu, unsigned long capacity);



#ifdef CONFIG_OF

struct cpu_efficiency {

	const char *compatible;
@@ -76,8 +73,6 @@ static unsigned long *__cpu_capacity; 


static unsigned long middle_capacity = 1;

static bool cap_from_dt = true;

extern void normalize_cpu_capacity(void);

extern int __init parse_cpu_capacity(struct device_node *cpu_node, int cpu);



/*

 * Iterate all CPUs' descriptor in DT and compute the efficiency

arch/arm64/kernel/topology.c

+1 −3
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ 
 * for more details.

 */



#include <linux/arch_topology.h>

#include <linux/cpu.h>

#include <linux/cpumask.h>

#include <linux/init.h>
@@ -27,9 +28,6 @@ 
#include <asm/cputype.h>

#include <asm/topology.h>



extern void normalize_cpu_capacity(void);

extern int __init parse_cpu_capacity(struct device_node *cpu_node, int cpu);



static int __init get_cpu_for_node(struct device_node *node)

{

	struct device_node *cpu_node;

drivers/base/arch_topology.c

+1 −0
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@ 
 */



#include <linux/acpi.h>

#include <linux/arch_topology.h>

#include <linux/cpu.h>

#include <linux/cpufreq.h>

#include <linux/device.h>

include/linux/arch_topology.h

0 → 100644
+17 −0
Original line number Diff line number Diff line 
/*

 * include/linux/arch_topology.h - arch specific cpu topology information

 */

#ifndef _LINUX_ARCH_TOPOLOGY_H_

#define _LINUX_ARCH_TOPOLOGY_H_



void normalize_cpu_capacity(void);



struct device_node;

int parse_cpu_capacity(struct device_node *cpu_node, int cpu);



struct sched_domain;

unsigned long arch_scale_cpu_capacity(struct sched_domain *sd, int cpu);



void set_capacity_scale(unsigned int cpu, unsigned long capacity);



#endif /* _LINUX_ARCH_TOPOLOGY_H_ */