[IA64] make dom_pa() static

dom_pa() is unsed only by dom_fw.c. make it static.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>

xen/arch/ia64/xen/dom_fw.c

@@ -33,7 +33,8 @@ unsigned long imva_fw_base = -1;
 
 // return domain (meta)physical address for a given imva
 // this function is a call-back from dom_fw_init
-unsigned long dom_pa(unsigned long imva)
+static unsigned long
+dom_pa(unsigned long imva)
 {
 	if (dom_fw_base_mpa == -1 || imva_fw_base == -1) {
 		printf("dom_pa: uninitialized! (spinning...)\n");

xen/include/asm-ia64/dom_fw.h

@@ -5,7 +5,6 @@
  *	Dan Magenheimer (dan.magenheimer@hp.com)
  */
 
-extern unsigned long dom_pa(unsigned long);
 extern unsigned long dom_fw_setup(struct domain *, const char *, int);
 
 #ifndef MB