diff options
Diffstat (limited to 'arch/arm/kernel/arch_timer.c')
| -rw-r--r-- | arch/arm/kernel/arch_timer.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/kernel/arch_timer.c b/arch/arm/kernel/arch_timer.c index 1a34eee..154f0a1 100644 --- a/arch/arm/kernel/arch_timer.c +++ b/arch/arm/kernel/arch_timer.c @@ -246,6 +246,8 @@ static struct local_timer_ops arch_timer_ops __cpuinitdata = { .stop = arch_timer_stop, }; +static struct clock_event_device arch_timer_global_evt; + static int __init arch_timer_common_register(void) { int err; @@ -280,6 +282,17 @@ static int __init arch_timer_common_register(void) } err = local_timer_register(&arch_timer_ops); + if (err) { + /* + * We couldn't register as a local timer (could be + * because we're on a UP platform, or because some + * other local timer is already present...). Try as a + * global timer instead. + */ + arch_timer_global_evt.cpumask = cpumask_of(0); + err = arch_timer_setup(&arch_timer_global_evt); + } + if (err) goto out_free_irq; |