[PATCH] xen/arm: copy cpu clock-frequency to CPU DT node.

["Jon Fraser" <jfraser@broadcom.com>]

When creating the CPU DT node, copy the clock-frequency if present.

Signed-off-by: Jon Fraser <jfraser@broadcom.com>
---
 xen/arch/arm/domain_build.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c
index c644be2..b212627 100644
--- a/xen/arch/arm/domain_build.c
+++ b/xen/arch/arm/domain_build.c
@@ -391,6 +391,7 @@ static int make_cpus_node(const struct domain *d, void *fdt,
     u32 len;
     /* Placeholder for cpu@ + a 32-bit number + \0 */
     char buf[15];
+    u32 *clock_frequency;
 
     DPRINT("Create cpus node\n");
 
@@ -411,6 +412,7 @@ static int make_cpus_node(const struct domain *d, void *fdt,
         if ( dt_device_type_is_equal(npcpu, "cpu") )
         {
             compatible = dt_get_property(npcpu, "compatible", &len);
+            clock_frequency = (u32 *)dt_get_property(npcpu, "clock-frequency", NULL);
             break;
         }
     }
@@ -457,6 +459,12 @@ static int make_cpus_node(const struct domain *d, void *fdt,
         if ( res )
             return res;
 
+        if (clock_frequency) {
+            res = fdt_property_cell(fdt, "clock-frequency", *(u32 *)clock_frequency);
+            if ( res )
+                return res;
+        }
+
         res = fdt_end_node(fdt);
         if ( res )
             return res;
-- 
1.7.11.3