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authorDavid S. Miller <davem@davemloft.net>2006-06-29 14:39:40 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2006-06-29 16:37:33 -0700
commit915214853d7681416d6bdd1591787cdbded459e7 (patch)
tree520008a7aa5afb36c5c8c48641a3fc76114c18f9 /arch/sparc64/kernel
parent00cde6748255a84beecfdea4caeaf7c9cd05a527 (diff)
[SPARC64] clock: Only probe central fhc clock on Enterprise boxes.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel')
-rw-r--r--arch/sparc64/kernel/time.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c
index 540e4b6c2de..75cb6b4dc14 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)