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-rw-r--r--arch/ppc64/kernel/prom.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/ppc64/kernel/prom.c b/arch/ppc64/kernel/prom.c
index 45a4ad08fbc2..fe2946c58314 100644
--- a/arch/ppc64/kernel/prom.c
+++ b/arch/ppc64/kernel/prom.c
@@ -321,6 +321,10 @@ static int __devinit finish_node_interrupts(struct device_node *np,
char *name = get_property(ic->parent, "name", NULL);
if (name && !strcmp(name, "u3"))
np->intrs[intrcount].line += 128;
+ else if (!(name && !strcmp(name, "mac-io")))
+ /* ignore other cascaded controllers, such as
+ the k2-sata-root */
+ break;
}
np->intrs[intrcount].sense = 1;
if (n > 1)