netdev - [PATCH 5/9] powerpc: Use of_find_node_by_name_balanced() to find device

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Message-ID: <20250207013117.104205-6-zhangzekun11@huawei.com>
Date: Fri, 7 Feb 2025 09:31:13 +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 5/9] powerpc: 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>
---
 arch/powerpc/platforms/powermac/pic.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c
index 2202bf77c7a3..0619334adf2a 100644
--- a/arch/powerpc/platforms/powermac/pic.c
+++ b/arch/powerpc/platforms/powermac/pic.c
@@ -308,9 +308,7 @@ static void __init pmac_pic_probe_oldstyle(void)
 
 		/* We might have a second cascaded heathrow */
 
-		/* Compensate for of_node_put() in of_find_node_by_name() */
-		of_node_get(master);
-		slave = of_find_node_by_name(master, "mac-io");
+		slave = of_find_node_by_name_balanced(master, "mac-io");
 
 		/* Check ordering of master & slave */
 		if (of_device_is_compatible(master, "gatwick")) {
-- 
2.22.0