[SPARC64] clock: Only probe central fhc clock on Enterprise boxes.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 7 insertions, 0 deletions

diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c
index 540e4b6c2dee..75cb6b4dc14f 100644
--- a/arch/sparc64/kernel/time.c
+++ b/arch/sparc64/kernel/time.c
@@ -780,6 +780,13 @@ static int __devinit clock_probe(struct of_device *op, const struct of_device_id
         if (!model || !clock_model_matches(model))
                 return -ENODEV;
 
+        /* On an Enterprise system there can be multiple mostek clocks.
+         * We should only match the one that is on the central FHC bus.
+         */
+        if (!strcmp(dp->parent, "fhc") &&
+            strcmp(dp->parent->parent, "central") != 0)
+                return -ENODEV;
+
         size = (op->resource[0].end - op->resource[0].start) + 1;
         regs = of_ioremap(&op->resource[0], 0, size, "clock");
         if (!regs)