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powerpc/mpc5xxx: Use of_get_next_parent to simplify code

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of_get_next_parent can be used to simplify the while() loop and
avoid the need of a temp variable.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christophe Jaillet 2015-10-11 22:27:40 +02:00 committed by Michael Ellerman
parent 1def37586f
commit b340587e68
1 changed files with 1 additions and 4 deletions
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5
arch/powerpc/sysdev/mpc5xxx_clocks.c
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@ -13,7 +13,6 @@
unsigned long mpc5xxx_get_bus_frequency(struct device_node *node)
{
struct device_node *np;
const unsigned int *p_bus_freq = NULL;
of_node_get(node);
@ -22,9 +21,7 @@ unsigned long mpc5xxx_get_bus_frequency(struct device_node *node)
if (p_bus_freq)
break;
np = of_get_parent(node);
of_node_put(node);
node = np;
node = of_get_next_parent(node);
}
of_node_put(node);