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ARM: 8366/1: move Dual-Timer SP804 driver to drivers/clocksource 

The ARM Dual-Timer SP804 module is peripheral found not only on ARM32
platforms but also on ARM64 platforms.

This patch moves the driver out of arch/arm to driver/clocksource
so that it can be used on ARM64 platforms also.

Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Rob Herring <robh@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Olof Johansson <olof@lixom.net>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Sudeep Holla 2015-05-18 16:29:40 +01:00 committed by Russell King
parent 1e5f0519f4
commit 0b7402dce4
11 changed files with 20 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
arch/arm/Kconfig
View File

@ -975,11 +975,6 @@ config PLAT_PXA
config PLAT_VERSATILE
bool
config ARM_TIMER_SP804
bool
select CLKSRC_MMIO
select CLKSRC_OF if OF
source "arch/arm/firmware/Kconfig"
source arch/arm/mm/Kconfig

1
arch/arm/common/Makefile
View File

@ -11,7 +11,6 @@ obj-$(CONFIG_SHARP_LOCOMO) += locomo.o
obj-$(CONFIG_SHARP_PARAM) += sharpsl_param.o
obj-$(CONFIG_SHARP_SCOOP) += scoop.o
obj-$(CONFIG_PCI_HOST_ITE8152) += it8152.o
obj-$(CONFIG_ARM_TIMER_SP804) += timer-sp.o
obj-$(CONFIG_MCPM) += mcpm_head.o mcpm_entry.o mcpm_platsmp.o vlock.o
CFLAGS_REMOVE_mcpm_entry.o = -pg
AFLAGS_mcpm_head.o := -march=armv7-a

2
arch/arm/mach-nspire/nspire.c
View File

@ -22,8 +22,6 @@
#include <asm/mach-types.h>
#include <asm/mach/map.h>
#include <asm/hardware/timer-sp.h>
#include "mmio.h"
#include "clcd.h"

4
arch/arm/mach-realview/core.c
View File

@ -35,6 +35,8 @@
#include <linux/mtd/physmap.h>
#include <linux/memblock.h>
#include <clocksource/timer-sp804.h>
#include <mach/hardware.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
@ -44,10 +46,8 @@
#include <asm/mach/irq.h>
#include <asm/mach/map.h>
#include <mach/platform.h>
#include <mach/irqs.h>
#include <asm/hardware/timer-sp.h>
#include <plat/sched_clock.h>

3
arch/arm/mach-versatile/core.c
View File

@ -41,6 +41,8 @@
#include <linux/bitops.h>
#include <linux/reboot.h>
#include <clocksource/timer-sp804.h>
#include <asm/irq.h>
#include <asm/hardware/icst.h>
#include <asm/mach-types.h>
@ -51,7 +53,6 @@
#include <asm/mach/map.h>
#include <mach/hardware.h>
#include <mach/platform.h>
#include <asm/hardware/timer-sp.h>
#include <plat/sched_clock.h>

5
drivers/clocksource/Kconfig
View File

@ -132,6 +132,11 @@ config ARM_GLOBAL_TIMER
help
This options enables support for the ARM global timer unit
config ARM_TIMER_SP804
bool "Support for Dual Timer SP804 module"
select CLKSRC_MMIO
select CLKSRC_OF if OF
config CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK
bool
depends on ARM_GLOBAL_TIMER

1
drivers/clocksource/Makefile
View File

@ -45,6 +45,7 @@ obj-$(CONFIG_MTK_TIMER) += mtk_timer.o
obj-$(CONFIG_ARM_ARCH_TIMER) += arm_arch_timer.o
obj-$(CONFIG_ARM_GLOBAL_TIMER) += arm_global_timer.o
obj-$(CONFIG_ARM_TIMER_SP804) += timer-sp804.o
obj-$(CONFIG_CLKSRC_METAG_GENERIC) += metag_generic.o
obj-$(CONFIG_ARCH_HAS_TICK_BROADCAST) += dummy_timer.o
obj-$(CONFIG_ARCH_KEYSTONE) += timer-keystone.o

3
drivers/clocksource/timer-integrator-ap.c
View File

@ -26,7 +26,8 @@
#include <linux/clockchips.h>
#include <linux/interrupt.h>
#include <linux/sched_clock.h>
#include <asm/hardware/arm_timer.h>
#include "timer-sp.h"
static void __iomem * sched_clk_base;

5
arch/arm/include/asm/hardware/arm_timer.h → drivers/clocksource/timer-sp.h
View File

@ -1,6 +1,3 @@
#ifndef __ASM_ARM_HARDWARE_ARM_TIMER_H
#define __ASM_ARM_HARDWARE_ARM_TIMER_H
/*
* ARM timer implementation, found in Integrator, Versatile and Realview
* platforms. Not all platforms support all registers and bits in these
@ -31,5 +28,3 @@
#define TIMER_RIS 0x10 /* CVR ro */
#define TIMER_MIS 0x14 /* CVR ro */
#define TIMER_BGLOAD 0x18 /* CVR rw */
#endif

7
arch/arm/common/timer-sp.c → drivers/clocksource/timer-sp804.c
View File

@ -1,5 +1,5 @@
/*
* linux/arch/arm/common/timer-sp.c
* linux/drivers/clocksource/timer-sp.c
*
* Copyright (C) 1999 - 2003 ARM Limited
* Copyright (C) 2000 Deep Blue Solutions Ltd
@ -30,8 +30,9 @@
#include <linux/of_irq.h>
#include <linux/sched_clock.h>
#include <asm/hardware/arm_timer.h>
#include <asm/hardware/timer-sp.h>
#include <clocksource/timer-sp804.h>
#include "timer-sp.h"
static long __init sp804_get_clock_rate(struct clk *clk)
{

4
arch/arm/include/asm/hardware/timer-sp.h → include/clocksource/timer-sp804.h
View File

@ -1,3 +1,6 @@
#ifndef __CLKSOURCE_TIMER_SP804_H
#define __CLKSOURCE_TIMER_SP804_H
struct clk;
void __sp804_clocksource_and_sched_clock_init(void __iomem *,
@ -22,3 +25,4 @@ static inline void sp804_clockevents_init(void __iomem *base, unsigned int irq,
__sp804_clockevents_init(base, irq, NULL, name);
}
#endif