powerpc/prom: Use of_get_next_parent() in of_get_ibm_chip_id()
Use of_get_next_parent() to simplifiy the logic in of_get_ibm_chip_id().
Original-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 0b0a416..7030b03 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -784,7 +784,6 @@
{
of_node_get(np);
while (np) {
- struct device_node *old = np;
u32 chip_id;
/*
@@ -795,8 +794,8 @@
of_node_put(np);
return chip_id;
}
- np = of_get_parent(np);
- of_node_put(old);
+
+ np = of_get_next_parent(np);
}
return -1;
}