sparseirq: Change irq_desc_ptrs to static

[net-next-2.6.git] / kernel / irq / handle.c

diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index 0e823c0d1c9cdaab9c8c54dc4bd621d4ffb632db..266f7986aa08459f4b8a28176e5c11e83ad89d45 100644 (file)
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -127,7 +127,7 @@ static void init_one_irq_desc(int irq, struct irq_desc *desc, int node)
  */
 DEFINE_RAW_SPINLOCK(sparse_irq_lock);
 
-struct irq_desc **irq_desc_ptrs __read_mostly;
+static struct irq_desc **irq_desc_ptrs __read_mostly;
 
 static struct irq_desc irq_desc_legacy[NR_IRQS_LEGACY] __cacheline_aligned_in_smp = {
        [0 ... NR_IRQS_LEGACY-1] = {
@@ -192,6 +192,11 @@ struct irq_desc *irq_to_desc(unsigned int irq)
        return NULL;
 }
 
+void replace_irq_desc(unsigned int irq, struct irq_desc *desc)
+{
+       irq_desc_ptrs[irq] = desc;
+}
+
 struct irq_desc * __ref irq_to_desc_alloc_node(unsigned int irq, int node)
 {
        struct irq_desc *desc;