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-rw-r--r--kernel/irq/handle.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index e1cf4e391cae..157c04c3b158 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -218,6 +218,21 @@ struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = {
}
};
+int __init early_irq_init(void)
+{
+ struct irq_desc *desc;
+ int count;
+ int i;
+
+ desc = irq_desc;
+ count = ARRAY_SIZE(irq_desc);
+
+ for (i = 0; i < count; i++)
+ desc[i].irq = i;
+
+ return arch_early_irq_init();
+}
+
struct irq_desc *irq_to_desc(unsigned int irq)
{
return (irq < NR_IRQS) ? irq_desc + irq : NULL;