diff --git a/arch/sparc/kernel/ebus.c b/arch/sparc/kernel/ebus.c
index 7724e2067159..7bb86b9cdaa3 100644
--- a/arch/sparc/kernel/ebus.c
+++ b/arch/sparc/kernel/ebus.c
@@ -25,7 +25,7 @@
 struct linux_ebus *ebus_chain = NULL;
 
 /* We are together with pcic.c under CONFIG_PCI. */
-extern unsigned int pcic_pin_to_irq(unsigned int, char *name);
+extern unsigned int pcic_pin_to_irq(unsigned int, const char *name);
 
 /*
  * IRQ Blacklist
@@ -69,7 +69,7 @@ static inline unsigned long ebus_alloc(size_t size)
 
 /*
  */
-int __init ebus_blacklist_irq(char *name)
+int __init ebus_blacklist_irq(const char *name)
 {
 	struct ebus_device_irq *dp;
 
diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c
index 1c927c538b8b..5ca7e8f42bd9 100644
--- a/arch/sparc/kernel/pcic.c
+++ b/arch/sparc/kernel/pcic.c
@@ -37,8 +37,6 @@
 #include <asm/irq_regs.h>
 
 
-unsigned int pcic_pin_to_irq(unsigned int pin, char *name);
-
 /*
  * I studied different documents and many live PROMs both from 2.30
  * family and 3.xx versions. I came to the amazing conclusion: there is
@@ -681,7 +679,7 @@ void __devinit pcibios_fixup_bus(struct pci_bus *bus)
  * pcic_pin_to_irq() is exported to ebus.c.
  */
 unsigned int
-pcic_pin_to_irq(unsigned int pin, char *name)
+pcic_pin_to_irq(unsigned int pin, const char *name)
 {
 	struct linux_pcic *pcic = &pcic0;
 	unsigned int irq;