[PATCH] ppc64: SMU based macs cpufreq support

CPU freq support using 970FX powertune facility for iMac G5 and SMU
based single CPU desktop.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c
index 34f3c7e2d832..a931e508feb6 100644
--- a/drivers/macintosh/smu.c
+++ b/drivers/macintosh/smu.c
@@ -845,6 +845,18 @@ int smu_queue_i2c(struct smu_i2c_cmd *cmd)
         return 0;
 }
 
+struct smu_sdbp_header *smu_get_sdb_partition(int id, unsigned int *size)
+{
+        char pname[32];
+
+        if (!smu)
+                return NULL;
+
+        sprintf(pname, "sdb-partition-%02x", id);
+        return (struct smu_sdbp_header *)get_property(smu->of_node,
+                                                      pname, size);
+}
+EXPORT_SYMBOL(smu_get_sdb_partition);
 
 
 /*