return -1;
 }
 
-/*
- * Translate GSI number to the corresponding IA-64 interrupt vector.  If no
- * entry exists, return -1.
- */
-inline int
-gsi_to_vector (unsigned int gsi)
-{
-       int irq = __gsi_to_irq(gsi);
-       if (check_irq_used(irq) < 0)
-               return -1;
-       return irq_to_vector(irq);
-}
-
 int
 gsi_to_irq (unsigned int gsi)
 {
 #define iosapic_disable_level_irq      mask_irq
 #define iosapic_ack_level_irq          nop
 
-struct irq_chip irq_type_iosapic_level = {
+static struct irq_chip irq_type_iosapic_level = {
        .name =         "IO-SAPIC-level",
        .startup =      iosapic_startup_level_irq,
        .shutdown =     iosapic_shutdown_level_irq,
 #define iosapic_disable_edge_irq       nop
 #define iosapic_end_edge_irq           nop
 
-struct irq_chip irq_type_iosapic_edge = {
+static struct irq_chip irq_type_iosapic_edge = {
        .name =         "IO-SAPIC-edge",
        .startup =      iosapic_startup_edge_irq,
        .shutdown =     iosapic_disable_edge_irq,
        .set_affinity = iosapic_set_affinity
 };
 
-unsigned int
+static unsigned int
 iosapic_version (char __iomem *addr)
 {
        /*
 
 #else
 #define iosapic_remove(gsi_base)                               (-EINVAL)
 #endif /* CONFIG_HOTPLUG */
-extern int gsi_to_vector (unsigned int gsi);
 extern int gsi_to_irq (unsigned int gsi);
 extern int iosapic_register_intr (unsigned int gsi, unsigned long polarity,
                                  unsigned long trigger);
                                           u16 eid, u16 id,
                                           unsigned long polarity,
                                           unsigned long trigger);
-extern unsigned int iosapic_version (char __iomem *addr);
 
 #ifdef CONFIG_NUMA
 extern void __devinit map_iosapic_to_node (unsigned int, int);