diff options
Diffstat (limited to 'arch/loongarch/kernel/time.c')
| -rw-r--r-- | arch/loongarch/kernel/time.c | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/arch/loongarch/kernel/time.c b/arch/loongarch/kernel/time.c index e7015f7b70e3..e2d3bfeb6366 100644 --- a/arch/loongarch/kernel/time.c +++ b/arch/loongarch/kernel/time.c @@ -15,6 +15,7 @@ #include <asm/cpu-features.h> #include <asm/loongarch.h> +#include <asm/paravirt.h> #include <asm/time.h> u64 cpu_clock_freq; @@ -123,26 +124,20 @@ void sync_counter(void) csr_write64(init_offset, LOONGARCH_CSR_CNTC); } -static int get_timer_irq(void) -{ - struct irq_domain *d = irq_find_matching_fwnode(cpuintc_handle, DOMAIN_BUS_ANY); - - if (d) - return irq_create_mapping(d, INT_TI); - - return -EINVAL; -} - int constant_clockevent_init(void) { unsigned int cpu = smp_processor_id(); - unsigned long min_delta = 0x600; - unsigned long max_delta = (1UL << 48) - 1; +#ifdef CONFIG_PREEMPT_RT + unsigned long min_delta = 100; +#else + unsigned long min_delta = 1000; +#endif + unsigned long max_delta = GENMASK_ULL(boot_cpu_data.timerbits, 0); struct clock_event_device *cd; static int irq = 0, timer_irq_installed = 0; if (!timer_irq_installed) { - irq = get_timer_irq(); + irq = get_percpu_irq(INT_TI); if (irq < 0) pr_err("Failed to map irq %d (timer)\n", irq); } @@ -224,4 +219,5 @@ void __init time_init(void) constant_clockevent_init(); constant_clocksource_init(); + pv_time_init(); } |