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| author | Mark Salter <msalter@redhat.com> | 2010-10-27 18:28:57 +0200 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2010-10-27 18:28:57 +0200 |
| commit | 730c1fad0ee22a170d2ee76a904709ee304931c0 (patch) | |
| tree | 365289c84b02c5c54d43238f2bc9b14b143cafbc /arch/mn10300/kernel/smp.c | |
| parent | MN10300: Specify an ELF HWCAP flag for MN10300 Atomic Operations Unit support (diff) | |
| download | linux-730c1fad0ee22a170d2ee76a904709ee304931c0.tar.xz linux-730c1fad0ee22a170d2ee76a904709ee304931c0.zip | |
MN10300: Generic time support
Implement generic time support for MN10300.
Signed-off-by: Mark Salter <msalter@redhat.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'arch/mn10300/kernel/smp.c')
| -rw-r--r-- | arch/mn10300/kernel/smp.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/arch/mn10300/kernel/smp.c b/arch/mn10300/kernel/smp.c index b80234c28e0d..0dcd1c686ba8 100644 --- a/arch/mn10300/kernel/smp.c +++ b/arch/mn10300/kernel/smp.c @@ -126,7 +126,6 @@ static struct irq_chip mn10300_ipi_type = { static irqreturn_t smp_reschedule_interrupt(int irq, void *dev_id); static irqreturn_t smp_call_function_interrupt(int irq, void *dev_id); -static irqreturn_t smp_ipi_timer_interrupt(int irq, void *dev_id); static struct irqaction reschedule_ipi = { .handler = smp_reschedule_interrupt, @@ -136,11 +135,15 @@ static struct irqaction call_function_ipi = { .handler = smp_call_function_interrupt, .name = "smp call function IPI" }; + +#if !defined(CONFIG_GENERIC_CLOCKEVENTS) || defined(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST) +static irqreturn_t smp_ipi_timer_interrupt(int irq, void *dev_id); static struct irqaction local_timer_ipi = { .handler = smp_ipi_timer_interrupt, .flags = IRQF_DISABLED, .name = "smp local timer IPI" }; +#endif /** * init_ipi - Initialise the IPI mechanism @@ -165,11 +168,14 @@ static void init_ipi(void) mn10300_ipi_enable(CALL_FUNC_SINGLE_IPI); /* set up the local timer IPI */ +#if !defined(CONFIG_GENERIC_CLOCKEVENTS) || \ + defined(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST) set_irq_chip_and_handler(LOCAL_TIMER_IPI, &mn10300_ipi_type, handle_percpu_irq); setup_irq(LOCAL_TIMER_IPI, &local_timer_ipi); set_intr_level(LOCAL_TIMER_IPI, LOCAL_TIMER_GxICR_LV); mn10300_ipi_enable(LOCAL_TIMER_IPI); +#endif #ifdef CONFIG_MN10300_CACHE_ENABLED /* set up the cache flush IPI */ @@ -505,6 +511,8 @@ void smp_nmi_call_function_interrupt(void) } } +#if !defined(CONFIG_GENERIC_CLOCKEVENTS) || \ + defined(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST) /** * smp_ipi_timer_interrupt - Local timer IPI handler * @irq: The interrupt number. @@ -516,6 +524,7 @@ static irqreturn_t smp_ipi_timer_interrupt(int irq, void *dev_id) { return local_timer_interrupt(); } +#endif void __init smp_init_cpus(void) { @@ -620,7 +629,6 @@ void smp_prepare_cpu_init(void) int __init start_secondary(void *unused) { smp_cpu_init(); - smp_callin(); while (!cpu_isset(smp_processor_id(), smp_commenced_mask)) cpu_relax(); @@ -629,6 +637,9 @@ int __init start_secondary(void *unused) preempt_disable(); smp_online(); +#ifdef CONFIG_GENERIC_CLOCKEVENTS + init_clockevents(); +#endif cpu_idle(); return 0; } |