[SPARC64]: Use machine description and OBP properly for cpu probing.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c
index 2d63d76..0f62ea8 100644
--- a/arch/sparc64/kernel/time.c
+++ b/arch/sparc64/kernel/time.c
@@ -862,7 +862,6 @@
 static unsigned long sparc64_init_timers(void)
 {
 	struct device_node *dp;
-	struct property *prop;
 	unsigned long clock;
 #ifdef CONFIG_SMP
 	extern void smp_tick_init(void);
@@ -879,17 +878,15 @@
 		if (manuf == 0x17 && impl == 0x13) {
 			/* Hummingbird, aka Ultra-IIe */
 			tick_ops = &hbtick_operations;
-			prop = of_find_property(dp, "stick-frequency", NULL);
+			clock = of_getintprop_default(dp, "stick-frequency", 0);
 		} else {
 			tick_ops = &tick_operations;
-			cpu_find_by_instance(0, &dp, NULL);
-			prop = of_find_property(dp, "clock-frequency", NULL);
+			clock = local_cpu_data().clock_tick;
 		}
 	} else {
 		tick_ops = &stick_operations;
-		prop = of_find_property(dp, "stick-frequency", NULL);
+		clock = of_getintprop_default(dp, "stick-frequency", 0);
 	}
-	clock = *(unsigned int *) prop->value;
 
 #ifdef CONFIG_SMP
 	smp_tick_init();