staging: octeon: Use 'for_each_child_of_node'

Use 'for_each_child_of_node' instead of hand writing it.
This saves a few line of code.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/eaffe388e6c51e97caf3e8fa474de74428575455.1618920182.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/octeon/ethernet.c b/drivers/staging/octeon/ethernet.c
index 5dea6e9..7c60b0c 100644 (file)
--- a/drivers/staging/octeon/ethernet.c
+++ b/drivers/staging/octeon/ethernet.c
@@ -614,14 +614,11 @@ static const struct net_device_ops cvm_oct_pow_netdev_ops = {
 static struct device_node *cvm_oct_of_get_child
                                (const struct device_node *parent, int reg_val)
 {
-       struct device_node *node = NULL;
-       int size;
+       struct device_node *node;
        const __be32 *addr;
+       int size;
 
-       for (;;) {
-               node = of_get_next_child(parent, node);
-               if (!node)
-                       break;
+       for_each_child_of_node(parent, node) {
                addr = of_get_property(node, "reg", &size);
                if (addr && (be32_to_cpu(*addr) == reg_val))
                        break;