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

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

diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c
index 540e4b6..75cb6b4 100644 (file)
--- 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)