diff options
Diffstat (limited to 'arch/mips/kernel/cevt-r4k.c')
| -rw-r--r-- | arch/mips/kernel/cevt-r4k.c | 33 |
1 files changed, 11 insertions, 22 deletions
diff --git a/arch/mips/kernel/cevt-r4k.c b/arch/mips/kernel/cevt-r4k.c index 75323925e53..bc127e22fda 100644 --- a/arch/mips/kernel/cevt-r4k.c +++ b/arch/mips/kernel/cevt-r4k.c @@ -12,20 +12,12 @@ #include <linux/smp.h> #include <linux/irq.h> -#include <asm/smtc_ipi.h> #include <asm/time.h> #include <asm/cevt-r4k.h> #include <asm/gic.h> -/* - * The SMTC Kernel for the 34K, 1004K, et. al. replaces several - * of these routines with SMTC-specific variants. - */ - -#ifndef CONFIG_MIPS_MT_SMTC - static int mips_next_event(unsigned long delta, - struct clock_event_device *evt) + struct clock_event_device *evt) { unsigned int cnt; int res; @@ -37,8 +29,6 @@ static int mips_next_event(unsigned long delta, return res; } -#endif /* CONFIG_MIPS_MT_SMTC */ - void mips_set_clock_mode(enum clock_event_mode mode, struct clock_event_device *evt) { @@ -48,8 +38,6 @@ void mips_set_clock_mode(enum clock_event_mode mode, DEFINE_PER_CPU(struct clock_event_device, mips_clockevent_device); int cp0_timer_irq_installed; -#ifndef CONFIG_MIPS_MT_SMTC - irqreturn_t c0_compare_interrupt(int irq, void *dev_id) { const int r2 = cpu_has_mips_r2; @@ -66,7 +54,7 @@ irqreturn_t c0_compare_interrupt(int irq, void *dev_id) goto out; /* - * The same applies to performance counter interrupts. But with the + * The same applies to performance counter interrupts. But with the * above we now know that the reason we got here must be a timer * interrupt. Being the paranoiacs we are we check anyway. */ @@ -81,8 +69,6 @@ out: return IRQ_HANDLED; } -#endif /* Not CONFIG_MIPS_MT_SMTC */ - struct irqaction c0_compare_irqaction = { .handler = c0_compare_interrupt, .flags = IRQF_PERCPU | IRQF_TIMER, @@ -118,8 +104,12 @@ int c0_compare_int_usable(void) unsigned int delta; unsigned int cnt; +#ifdef CONFIG_KVM_GUEST + return 1; +#endif + /* - * IP7 already pending? Try to clear it by acking the timer. + * IP7 already pending? Try to clear it by acking the timer. */ if (c0_compare_int_pending()) { cnt = read_c0_count(); @@ -165,9 +155,7 @@ int c0_compare_int_usable(void) return 1; } -#ifndef CONFIG_MIPS_MT_SMTC - -int __cpuinit r4k_clockevent_init(void) +int r4k_clockevent_init(void) { unsigned int cpu = smp_processor_id(); struct clock_event_device *cd; @@ -191,7 +179,9 @@ int __cpuinit r4k_clockevent_init(void) cd = &per_cpu(mips_clockevent_device, cpu); cd->name = "MIPS"; - cd->features = CLOCK_EVT_FEAT_ONESHOT; + cd->features = CLOCK_EVT_FEAT_ONESHOT | + CLOCK_EVT_FEAT_C3STOP | + CLOCK_EVT_FEAT_PERCPU; clockevent_set_clock(cd, mips_hpt_frequency); @@ -218,4 +208,3 @@ int __cpuinit r4k_clockevent_init(void) return 0; } -#endif /* Not CONFIG_MIPS_MT_SMTC */ |