1 files changed, 3 insertions, 32 deletions

diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 5ac08b8ab654..0507faa65478 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -158,35 +158,6 @@ static void unmap_cpu_from_node(unsigned long cpu)
 }
 #endif /* CONFIG_HOTPLUG_CPU */
 
-static struct device_node * __cpuinit find_cpu_node(unsigned int cpu)
-{
-        unsigned int hw_cpuid = get_hard_smp_processor_id(cpu);
-        struct device_node *cpu_node = NULL;
-        const unsigned int *interrupt_server, *reg;
-        int len;
-
-        while ((cpu_node = of_find_node_by_type(cpu_node, "cpu")) != NULL) {
-                /* Try interrupt server first */
-                interrupt_server = of_get_property(cpu_node,
-                                        "ibm,ppc-interrupt-server#s", &len);
-
-                len = len / sizeof(u32);
-
-                if (interrupt_server && (len > 0)) {
-                        while (len--) {
-                                if (interrupt_server[len] == hw_cpuid)
-                                        return cpu_node;
-                        }
-                } else {
-                        reg = of_get_property(cpu_node, "reg", &len);
-                        if (reg && (len > 0) && (reg[0] == hw_cpuid))
-                                return cpu_node;
-                }
-        }
-
-        return NULL;
-}
-
 /* must hold reference to node during call */
 static const int *of_get_associativity(struct device_node *dev)
 {
@@ -290,7 +261,7 @@ static int __init find_min_common_depth(void)
         ref_points = of_get_property(rtas_root,
                         "ibm,associativity-reference-points", &len);
 
-        if ((len >= 1) && ref_points) {
+        if ((len >= 2 * sizeof(unsigned int)) && ref_points) {
                 depth = ref_points[1];
         } else {
                 dbg("NUMA: ibm,associativity-reference-points not found.\n");
@@ -470,7 +441,7 @@ static int of_drconf_to_nid_single(struct of_drconf_cell *drmem,
 static int __cpuinit numa_setup_cpu(unsigned long lcpu)
 {
         int nid = 0;
-        struct device_node *cpu = find_cpu_node(lcpu);
+        struct device_node *cpu = of_get_cpu_node(lcpu, NULL);
 
         if (!cpu) {
                 WARN_ON(1);
@@ -652,7 +623,7 @@ static int __init parse_numa_properties(void)
         for_each_present_cpu(i) {
                 int nid;
 
-                cpu = find_cpu_node(i);
+                cpu = of_get_cpu_node(i, NULL);
                 BUG_ON(!cpu);
                 nid = of_node_to_nid_single(cpu);
                 of_node_put(cpu);