diff options
| author | Juri Lelli <juri.lelli@arm.com> | 2017-05-31 17:59:30 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-03 19:10:09 +0900 |
| commit | 615ffd63149117aa5693d6672944966b490cdb66 (patch) | |
| tree | 6c464df45d4a4d554a1e3e22723c8200da1ab81e | |
| parent | c105aa31183a6ebec395681b6df47c8b65259322 (diff) | |
| download | linux-615ffd63149117aa5693d6672944966b490cdb66.tar.bz2 | |
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: Juri Lelli <juri.lelli@arm.com>
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | arch/arm/kernel/topology.c | 7 | ||||
| -rw-r--r-- | arch/arm64/kernel/topology.c | 4 | ||||
| -rw-r--r-- | drivers/base/arch_topology.c | 1 | ||||
| -rw-r--r-- | include/linux/arch_topology.h | 17 |
4 files changed, 20 insertions, 9 deletions
diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c index 1e35a3265ddf..557be4f1d2d7 100644 --- a/arch/arm/kernel/topology.c +++ b/arch/arm/kernel/topology.c @@ -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 diff --git a/arch/arm64/kernel/topology.c b/arch/arm64/kernel/topology.c index 7e1f6f75185b..255230c3e835 100644 --- a/arch/arm64/kernel/topology.c +++ b/arch/arm64/kernel/topology.c @@ -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; diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c index acf99372c5cf..76c19aa0d82f 100644 --- a/drivers/base/arch_topology.c +++ b/drivers/base/arch_topology.c @@ -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> diff --git a/include/linux/arch_topology.h b/include/linux/arch_topology.h new file mode 100644 index 000000000000..4edae9fe8cdd --- /dev/null +++ b/include/linux/arch_topology.h @@ -0,0 +1,17 @@ +/* + * 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_ */ |