parisc: iosapic: Convert I/O Sapic driver to use arch_initcall()

Signed-off-by: Helge Deller <deller@gmx.de>

arch/parisc/include/asm/processor.h

@@ -314,7 +314,6 @@ extern int show_cpuinfo (struct seq_file *m, void *v);
 
 /* driver code in driver/parisc */
 extern void processor_init(void);
-extern void iosapic_init(void);
 struct parisc_device;
 struct resource;
 extern void sba_distributed_lmmio(struct parisc_device *, struct resource *);

arch/parisc/kernel/setup.c

@@ -278,11 +278,6 @@ static int __init parisc_init(void)
 
 	apply_alternatives_all();
 	parisc_setup_cache_timing();
-
-	/* These are in a non-obvious order, will fix when we have an iotree */
-#if defined(CONFIG_IOSAPIC)
-	iosapic_init();
-#endif
 	return 0;
 }
 arch_initcall(parisc_init);

drivers/parisc/iosapic.c

@@ -348,13 +348,10 @@ iosapic_load_irt(unsigned long cell_num, struct irt_entry **irt)
 }
 
 
-
-void __init iosapic_init(void)
+static int __init iosapic_init(void)
 {
 	unsigned long cell = 0;
 
-	DBG("iosapic_init()\n");
-
 #ifdef __LP64__
 	if (is_pdc_pat()) {
 		int status;
@@ -371,7 +368,10 @@ void __init iosapic_init(void)
 	irt_num_entry = iosapic_load_irt(cell, &irt_cell);
 	if (irt_num_entry == 0)
 		irt_cell = NULL;	/* old PDC w/o iosapic */
+
+	return 0;
 }
+arch_initcall(iosapic_init);
 
 
 /*