diff options
Diffstat (limited to 'arch/loongarch/kernel/irq.c')
| -rw-r--r-- | arch/loongarch/kernel/irq.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/loongarch/kernel/irq.c b/arch/loongarch/kernel/irq.c index adac8fcbb2ac..d129039b368b 100644 --- a/arch/loongarch/kernel/irq.c +++ b/arch/loongarch/kernel/irq.c @@ -87,6 +87,18 @@ static void __init init_vec_parent_group(void) acpi_table_parse(ACPI_SIG_MCFG, early_pci_mcfg_parse); } +int __init arch_probe_nr_irqs(void) +{ + int nr_io_pics = bitmap_weight(loongson_sysconf.cores_io_master, NR_CPUS); + + if (!cpu_has_avecint) + nr_irqs = (64 + NR_VECTORS * nr_io_pics); + else + nr_irqs = (64 + NR_VECTORS * (nr_cpu_ids + nr_io_pics)); + + return NR_IRQS_LEGACY; +} + void __init init_IRQ(void) { int i; |