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serial: pmac_zilog: use for_each_child_of_node() macro 

Use for_each_child_of_node() macro instead of open coding it.

Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200916062138.191188-1-miaoqinglang@huawei.com
This commit is contained in:
Qinglang Miao 2020-09-16 14:21:38 +08:00 committed by Michael Ellerman
parent acff5e6c37
commit 1d42e07e9c
1 changed files with 1 additions and 1 deletions
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2
drivers/tty/serial/pmac_zilog.c
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@ -1644,7 +1644,7 @@ static int __init pmz_probe(void)
* TODO: Add routines with proper locking to do that...
*/
node_a = node_b = NULL;
for (np = NULL; (np = of_get_next_child(node_p, np)) != NULL;) {
for_each_child_of_node(node_p, np) {
if (of_node_name_prefix(np, "ch-a"))
node_a = of_node_get(np);
else if (of_node_name_prefix(np, "ch-b"))