[POWERPC] cell: add cpufreq driver for Cell BE processor

This patch adds a cpufreq backend driver to enable frequency scaling on cell.

Signed-off-by: Christian Krafft <krafft@de.ibm.com>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 865b9648d0d5..f8e44c029d96 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -1672,6 +1672,7 @@ struct device_node *of_get_cpu_node(int cpu, unsigned int *thread)
         }
         return NULL;
 }
+EXPORT_SYMBOL(of_get_cpu_node);
 
 #ifdef DEBUG
 static struct debugfs_blob_wrapper flat_dt_blob;