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author | Herbert Xu <herbert@gondor.apana.org.au> | 2012-05-15 17:21:26 +1000 |
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committer | Herbert Xu <herbert@gondor.apana.org.au> | 2012-05-15 17:21:26 +1000 |
commit | b29e2679d0da91c60d3ac190d9c3bd65ac2f68c5 (patch) | |
tree | 518ec8f4bfd316e91bcc30f434edb78529557eba /arch/arm/kernel/smp.c | |
parent | 8a63b1994c500d4825ee73dc71502deffe5b135b (diff) | |
parent | 4bb2d1009f671815870e8f78e826e4f9071392a7 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Merge mainline to add prerequisite for ARM ux500 crypto support.
Diffstat (limited to 'arch/arm/kernel/smp.c')
-rw-r--r-- | arch/arm/kernel/smp.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index d616ed51e7a..8f8cce2c46c 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -246,6 +246,8 @@ static void __cpuinit smp_store_cpu_info(unsigned int cpuid) store_cpu_topology(cpuid); } +static void percpu_timer_setup(void); + /* * This is the secondary CPU boot entry. We're using this CPUs * idle thread stack, but a set of temporary page tables. @@ -452,7 +454,20 @@ static void __cpuinit broadcast_timer_setup(struct clock_event_device *evt) clockevents_register_device(evt); } -void __cpuinit percpu_timer_setup(void) +static struct local_timer_ops *lt_ops; + +#ifdef CONFIG_LOCAL_TIMERS +int local_timer_register(struct local_timer_ops *ops) +{ + if (lt_ops) + return -EBUSY; + + lt_ops = ops; + return 0; +} +#endif + +static void __cpuinit percpu_timer_setup(void) { unsigned int cpu = smp_processor_id(); struct clock_event_device *evt = &per_cpu(percpu_clockevent, cpu); @@ -460,7 +475,7 @@ void __cpuinit percpu_timer_setup(void) evt->cpumask = cpumask_of(cpu); evt->broadcast = smp_timer_broadcast; - if (local_timer_setup(evt)) + if (!lt_ops || lt_ops->setup(evt)) broadcast_timer_setup(evt); } @@ -475,7 +490,8 @@ static void percpu_timer_stop(void) unsigned int cpu = smp_processor_id(); struct clock_event_device *evt = &per_cpu(percpu_clockevent, cpu); - local_timer_stop(evt); + if (lt_ops) + lt_ops->stop(evt); } #endif |