diff --git a/arch/arm/include/asm/localtimer.h b/arch/arm/include/asm/localtimer.h index 6bc63ab498ce..080d74f8128d 100644 --- a/arch/arm/include/asm/localtimer.h +++ b/arch/arm/include/asm/localtimer.h @@ -44,8 +44,14 @@ int local_timer_ack(void); /* * Setup a local timer interrupt for a CPU. */ -void local_timer_setup(struct clock_event_device *); +int local_timer_setup(struct clock_event_device *); +#else + +static inline int local_timer_setup(struct clock_event_device *evt) +{ + return -ENXIO; +} #endif #endif diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 4539ebcb089f..8fe05ad932e4 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -474,13 +474,12 @@ static void smp_timer_broadcast(const struct cpumask *mask) #define smp_timer_broadcast NULL #endif -#ifndef CONFIG_LOCAL_TIMERS static void broadcast_timer_set_mode(enum clock_event_mode mode, struct clock_event_device *evt) { } -static void local_timer_setup(struct clock_event_device *evt) +static void broadcast_timer_setup(struct clock_event_device *evt) { evt->name = "dummy_timer"; evt->features = CLOCK_EVT_FEAT_ONESHOT | @@ -492,7 +491,6 @@ static void local_timer_setup(struct clock_event_device *evt) clockevents_register_device(evt); } -#endif void __cpuinit percpu_timer_setup(void) { @@ -502,7 +500,8 @@ void __cpuinit percpu_timer_setup(void) evt->cpumask = cpumask_of(cpu); evt->broadcast = smp_timer_broadcast; - local_timer_setup(evt); + if (local_timer_setup(evt)) + broadcast_timer_setup(evt); } #ifdef CONFIG_HOTPLUG_CPU diff --git a/arch/arm/mach-msm/timer.c b/arch/arm/mach-msm/timer.c index c105d28b53e3..ae85aa951806 100644 --- a/arch/arm/mach-msm/timer.c +++ b/arch/arm/mach-msm/timer.c @@ -255,7 +255,7 @@ static void __init msm_timer_init(void) } #ifdef CONFIG_SMP -void __cpuinit local_timer_setup(struct clock_event_device *evt) +int __cpuinit local_timer_setup(struct clock_event_device *evt) { struct msm_clock *clock = &msm_clocks[MSM_GLOBAL_TIMER]; @@ -287,6 +287,7 @@ void __cpuinit local_timer_setup(struct clock_event_device *evt) gic_enable_ppi(clock->irq.irq); clockevents_register_device(evt); + return 0; } inline int local_timer_ack(void) diff --git a/arch/arm/mach-omap2/timer-mpu.c b/arch/arm/mach-omap2/timer-mpu.c index 954682e64399..09c73dcfc2ac 100644 --- a/arch/arm/mach-omap2/timer-mpu.c +++ b/arch/arm/mach-omap2/timer-mpu.c @@ -26,9 +26,10 @@ /* * Setup the local clock events for a CPU. */ -void __cpuinit local_timer_setup(struct clock_event_device *evt) +int __cpuinit local_timer_setup(struct clock_event_device *evt) { evt->irq = OMAP44XX_IRQ_LOCALTIMER; twd_timer_setup(evt); + return 0; } diff --git a/arch/arm/mach-s5pv310/localtimer.c b/arch/arm/mach-s5pv310/localtimer.c index 2784036cd8b1..8239c6a684a1 100644 --- a/arch/arm/mach-s5pv310/localtimer.c +++ b/arch/arm/mach-s5pv310/localtimer.c @@ -18,8 +18,9 @@ /* * Setup the local clock events for a CPU. */ -void __cpuinit local_timer_setup(struct clock_event_device *evt) +int __cpuinit local_timer_setup(struct clock_event_device *evt) { evt->irq = IRQ_LOCALTIMER; twd_timer_setup(evt); + return 0; } diff --git a/arch/arm/mach-shmobile/localtimer.c b/arch/arm/mach-shmobile/localtimer.c index 2111c28b724e..ad9ccc9900c8 100644 --- a/arch/arm/mach-shmobile/localtimer.c +++ b/arch/arm/mach-shmobile/localtimer.c @@ -18,8 +18,9 @@ /* * Setup the local clock events for a CPU. */ -void __cpuinit local_timer_setup(struct clock_event_device *evt) +int __cpuinit local_timer_setup(struct clock_event_device *evt) { evt->irq = 29; twd_timer_setup(evt); + return 0; } diff --git a/arch/arm/mach-tegra/localtimer.c b/arch/arm/mach-tegra/localtimer.c index f81ca7cbbc1f..e91d681d45a2 100644 --- a/arch/arm/mach-tegra/localtimer.c +++ b/arch/arm/mach-tegra/localtimer.c @@ -18,8 +18,9 @@ /* * Setup the local clock events for a CPU. */ -void __cpuinit local_timer_setup(struct clock_event_device *evt) +int __cpuinit local_timer_setup(struct clock_event_device *evt) { evt->irq = IRQ_LOCALTIMER; twd_timer_setup(evt); + return 0; } diff --git a/arch/arm/mach-ux500/localtimer.c b/arch/arm/mach-ux500/localtimer.c index 2288f6a7c518..5ba113309a0b 100644 --- a/arch/arm/mach-ux500/localtimer.c +++ b/arch/arm/mach-ux500/localtimer.c @@ -21,8 +21,9 @@ /* * Setup the local clock events for a CPU. */ -void __cpuinit local_timer_setup(struct clock_event_device *evt) +int __cpuinit local_timer_setup(struct clock_event_device *evt) { evt->irq = IRQ_LOCALTIMER; twd_timer_setup(evt); + return 0; } diff --git a/arch/arm/plat-versatile/localtimer.c b/arch/arm/plat-versatile/localtimer.c index 83ebee569333..0fb3961999b5 100644 --- a/arch/arm/plat-versatile/localtimer.c +++ b/arch/arm/plat-versatile/localtimer.c @@ -19,8 +19,9 @@ /* * Setup the local clock events for a CPU. */ -void __cpuinit local_timer_setup(struct clock_event_device *evt) +int __cpuinit local_timer_setup(struct clock_event_device *evt) { evt->irq = IRQ_LOCALTIMER; twd_timer_setup(evt); + return 0; }