static DECLARE_INTC_DESC(intc_desc, "r7780mp", vectors,
                         NULL, mask_registers, NULL, NULL);
 
-unsigned char * __init highlander_init_irq_r7780mp(void)
+unsigned char * __init highlander_plat_irq_setup(void)
 {
        if ((ctrl_inw(0xa4000700) & 0xf000) == 0x2000) {
                printk(KERN_INFO "Using r7780mp interrupt controller.\n");
 
 static DECLARE_INTC_DESC(intc_desc, "r7780rp", vectors,
                         NULL, mask_registers, NULL, NULL);
 
-unsigned char * __init highlander_init_irq_r7780rp(void)
+unsigned char * __init highlander_plat_irq_setup(void)
 {
        if (ctrl_inw(0xa5000600)) {
                printk(KERN_INFO "Using r7780rp interrupt controller.\n");
 
 static DECLARE_INTC_DESC(intc_desc, "r7785rp", vectors,
                         NULL, mask_registers, NULL, NULL);
 
-unsigned char * __init highlander_init_irq_r7785rp(void)
+unsigned char * __init highlander_plat_irq_setup(void)
 {
        if ((ctrl_inw(0xa4000158) & 0xf000) != 0x1000)
                return NULL;
 
 
 static unsigned char irl2irq[HL_NR_IRL];
 
-int highlander_irq_demux(int irq)
+static int highlander_irq_demux(int irq)
 {
        if (irq >= HL_NR_IRL || !irl2irq[irq])
                return irq;
        return irl2irq[irq];
 }
 
-void __init highlander_init_irq(void)
+static void __init highlander_init_irq(void)
 {
-       unsigned char *ucp = NULL;
-
-       do {
-#ifdef CONFIG_SH_R7780MP
-               ucp = highlander_init_irq_r7780mp();
-               if (ucp)
-                       break;
-#endif
-#ifdef CONFIG_SH_R7785RP
-               ucp = highlander_init_irq_r7785rp();
-               if (ucp)
-                       break;
-#endif
-#ifdef CONFIG_SH_R7780RP
-               ucp = highlander_init_irq_r7780rp();
-               if (ucp)
-                       break;
-#endif
-       } while (0);
+       unsigned char *ucp = highlander_plat_irq_setup();
 
        if (ucp) {
                plat_irq_setup_pins(IRQ_MODE_IRL3210);
 
 #define IRQ_SCIF0              (HL_FPGA_IRQ_BASE + 15)
 #define IRQ_SCIF1              (HL_FPGA_IRQ_BASE + 16)
 
-unsigned char *highlander_init_irq_r7780mp(void);
-unsigned char *highlander_init_irq_r7780rp(void);
-unsigned char *highlander_init_irq_r7785rp(void);
+unsigned char *highlander_plat_irq_setup(void);
 
 #endif  /* __ASM_SH_RENESAS_R7780RP */