Subject: externalize a function and a map of cpumasks, both needed by upcomming cpufreq driver

Signed-off-by: Christian Krafft <krafft@de.ibm.com>

Index: linux-2.6/arch/powerpc/kernel/prom.c
===================================================================
--- linux-2.6.orig/arch/powerpc/kernel/prom.c
+++ linux-2.6/arch/powerpc/kernel/prom.c
@@ -1672,6 +1672,7 @@ struct device_node *of_get_cpu_node(int 
 	}
 	return NULL;
 }
+EXPORT_SYMBOL(of_get_cpu_node);
 
 #ifdef DEBUG
 static struct debugfs_blob_wrapper flat_dt_blob;
Index: linux-2.6/include/asm-powerpc/prom.h
===================================================================
--- linux-2.6.orig/include/asm-powerpc/prom.h
+++ linux-2.6/include/asm-powerpc/prom.h
@@ -250,7 +250,7 @@ void of_parse_dma_window(struct device_n
 extern void kdump_move_device_tree(void);
 
 /* CPU OF node matching */
-struct device_node *of_get_cpu_node(int cpu, unsigned int *thread);
+extern struct device_node *of_get_cpu_node(int cpu, unsigned int *thread);
 
 
 /*
Index: linux-2.6/arch/powerpc/kernel/smp.c
===================================================================
--- linux-2.6.orig/arch/powerpc/kernel/smp.c
+++ linux-2.6/arch/powerpc/kernel/smp.c
@@ -65,6 +65,7 @@ cpumask_t cpu_sibling_map[NR_CPUS] = { [
 
 EXPORT_SYMBOL(cpu_online_map);
 EXPORT_SYMBOL(cpu_possible_map);
+EXPORT_SYMBOL(cpu_sibling_map);
 
 /* SMP operations for this machine */
 struct smp_ops_t *smp_ops;