netdev - [PATCH 4/9] media: max9286: Use of_find_node_by_name_balanced() to find device

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Message-ID: <20250207013117.104205-5-zhangzekun11@huawei.com>
Date: Fri, 7 Feb 2025 09:31:12 +0800
From: Zhang Zekun <zhangzekun11@...wei.com>
To: <robh@...nel.org>, <saravanak@...gle.com>, <justin.chen@...adcom.com>,
	<florian.fainelli@...adcom.com>, <andrew+netdev@...n.ch>, <kuba@...nel.org>,
	<o.rempel@...gutronix.de>, <kory.maincent@...tlin.com>,
	<jacopo+renesas@...ndi.org>, <kieran.bingham+renesas@...asonboard.com>,
	<laurent.pinchart+renesas@...asonboard.com>, <maddy@...ux.ibm.com>,
	<mpe@...erman.id.au>, <npiggin@...il.com>, <olteanv@...il.com>,
	<davem@...emloft.net>, <taras.chornyi@...ision.eu>, <edumazet@...gle.com>,
	<pabeni@...hat.com>, <sudeep.holla@....com>, <cristian.marussi@....com>
CC: <arm-scmi@...r.kernel.org>, <linuxppc-dev@...ts.ozlabs.org>,
	<linux-media@...r.kernel.org>, <netdev@...r.kernel.org>,
	<devicetree@...r.kernel.org>, <chenjun102@...wei.com>,
	<zhangzekun11@...wei.com>
Subject: [PATCH 4/9] media: max9286: Use of_find_node_by_name_balanced() to find device_node

Instead of directly using of_node_get() before of_find_node_by_name()
to balance the refcount of the device_node, using wraper function
of_find_node_by_name_balanced() to make code logic a bit simplier.

Signed-off-by: Zhang Zekun <zhangzekun11@...wei.com>
---
 drivers/media/i2c/max9286.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/media/i2c/max9286.c b/drivers/media/i2c/max9286.c
index 9fc4e130a273..0299d08a7196 100644
--- a/drivers/media/i2c/max9286.c
+++ b/drivers/media/i2c/max9286.c
@@ -1399,9 +1399,7 @@ static int max9286_parse_dt(struct max9286_priv *priv)
 	u32 i2c_clk_freq = 105000;
 	unsigned int i;
 
-	/* Balance the of_node_put() performed by of_find_node_by_name(). */
-	of_node_get(dev->of_node);
-	i2c_mux = of_find_node_by_name(dev->of_node, "i2c-mux");
+	i2c_mux = of_find_node_by_name_balanced(dev->of_node, "i2c-mux");
 	if (!i2c_mux) {
 		dev_err(dev, "Failed to find i2c-mux node\n");
 		return -EINVAL;
-- 
2.22.0