3 files changed, 9 insertions, 31 deletions

diff --git a/arch/mips/sgi-ip27/ip27-irq.c b/arch/mips/sgi-ip27/ip27-irq.c
index 8f5299b269e7..288d4d17eddd 100644
--- a/arch/mips/sgi-ip27/ip27-irq.c
+++ b/arch/mips/sgi-ip27/ip27-irq.c
@@ -277,7 +277,6 @@ void __init arch_init_irq(void)
 {
 	struct irq_domain *domain;
 	struct fwnode_handle *fn;
-	int i;
 
 	mips_cpu_irq_init();
 
@@ -286,23 +285,19 @@ void __init arch_init_irq(void)
 	 * Mark these as reserved right away so they won't be used accidentally
 	 * later.
 	 */
-	for (i = 0; i <= CPU_CALL_B_IRQ; i++)
-		set_bit(i, hub_irq_map);
-
-	for (i = NI_BRDCAST_ERR_A; i <= MSC_PANIC_INTR; i++)
-		set_bit(i, hub_irq_map);
+	bitmap_set(hub_irq_map, 0, CPU_CALL_B_IRQ + 1);
+	bitmap_set(hub_irq_map, NI_BRDCAST_ERR_A, MSC_PANIC_INTR - NI_BRDCAST_ERR_A + 1);
 
 	fn = irq_domain_alloc_named_fwnode("HUB");
-	WARN_ON(fn == NULL);
-	if (!fn)
+	if (WARN_ON(fn == NULL))
 		return;
+
 	domain = irq_domain_create_linear(fn, IP27_HUB_IRQ_COUNT,
 					  &hub_domain_ops, NULL);
-	WARN_ON(domain == NULL);
-	if (!domain)
+	if (WARN_ON(domain == NULL))
 		return;
 
-	irq_set_default_host(domain);
+	irq_set_default_domain(domain);
 
 	irq_set_percpu_devid(IP27_HUB_PEND0_IRQ);
 	irq_set_chained_handler_and_data(IP27_HUB_PEND0_IRQ, ip27_do_irq_mask0,
diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c
index b8ca94cfb4fe..2b3e46e2e607 100644
--- a/arch/mips/sgi-ip27/ip27-memory.c
+++ b/arch/mips/sgi-ip27/ip27-memory.c
@@ -35,7 +35,6 @@
 #define PFN_NASIDSHFT		(NASID_SHFT - PAGE_SHIFT)
 
 struct node_data *__node_data[MAX_NUMNODES];
-
 EXPORT_SYMBOL(__node_data);
 
 static u64 gen_region_mask(void)
@@ -361,6 +360,7 @@ static void __init node_mem_init(nasid_t node)
 	 */
 	__node_data[node] = __va(slot_freepfn << PAGE_SHIFT);
 	memset(__node_data[node], 0, PAGE_SIZE);
+	node_data[node] = &__node_data[node]->pglist;
 
 	NODE_DATA(node)->node_start_pfn = start_pfn;
 	NODE_DATA(node)->node_spanned_pages = end_pfn - start_pfn;
@@ -406,8 +406,6 @@ void __init prom_meminit(void)
 	}
 }
 
-extern void setup_zero_pages(void);
-
 void __init paging_init(void)
 {
 	unsigned long zones_size[MAX_NR_ZONES] = {0, };
@@ -416,20 +414,3 @@ void __init paging_init(void)
 	zones_size[ZONE_NORMAL] = max_low_pfn;
 	free_area_init(zones_size);
 }
-
-void __init mem_init(void)
-{
-	high_memory = (void *) __va(get_num_physpages() << PAGE_SHIFT);
-	memblock_free_all();
-	setup_zero_pages();	/* This comes from node 0 */
-}
-
-pg_data_t * __init arch_alloc_nodedata(int nid)
-{
-	return memblock_alloc(sizeof(pg_data_t), SMP_CACHE_BYTES);
-}
-
-void arch_refresh_nodedata(int nid, pg_data_t *pgdat)
-{
-	__node_data[nid] = (struct node_data *)pgdat;
-}
diff --git a/arch/mips/sgi-ip27/ip27-smp.c b/arch/mips/sgi-ip27/ip27-smp.c
index 5d2652a1d35a..62733e049570 100644
--- a/arch/mips/sgi-ip27/ip27-smp.c
+++ b/arch/mips/sgi-ip27/ip27-smp.c
@@ -70,11 +70,13 @@ void cpu_node_probe(void)
 	gda_t *gdap = GDA;
 
 	nodes_clear(node_online_map);
+	nodes_clear(node_possible_map);
 	for (i = 0; i < MAX_NUMNODES; i++) {
 		nasid_t nasid = gdap->g_nasidtable[i];
 		if (nasid == INVALID_NASID)
 			break;
 		node_set_online(nasid);
+		node_set(nasid, node_possible_map);
 		highest = node_scan_cpus(nasid, highest);
 	}