linux-kernel - [PATCH -next] serial: pmac_zilog: use for_each_child_of

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Date:   Wed, 16 Sep 2020 14:21:38 +0800
From:   Qinglang Miao <miaoqinglang@...wei.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        "Benjamin Herrenschmidt" <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>
CC:     <linux-serial@...r.kernel.org>, <linuxppc-dev@...ts.ozlabs.org>,
        <linux-kernel@...r.kernel.org>,
        Qinglang Miao <miaoqinglang@...wei.com>
Subject: [PATCH -next] 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@...wei.com>
---
 drivers/tty/serial/pmac_zilog.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/pmac_zilog.c b/drivers/tty/serial/pmac_zilog.c
index 96e7aa479..063484b22 100644
--- a/drivers/tty/serial/pmac_zilog.c
+++ b/drivers/tty/serial/pmac_zilog.c
@@ -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"))
-- 
2.23.0