linux-kernel - [PATCH 16/27] sparc: vio: Make device_find_child()'s match function take a const pointer

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Message-Id: <20240811-const_dfc_done-v1-16-9d85e3f943cb@quicinc.com>
Date: Sun, 11 Aug 2024 10:25:07 +0800
From: Zijun Hu <zijun_hu@...oud.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 "Rafael J. Wysocki" <rafael@...nel.org>
Cc: Zijun Hu <zijun_hu@...oud.com>, linux-kernel@...r.kernel.org, 
 Zijun Hu <quic_zijuhu@...cinc.com>
Subject: [PATCH 16/27] sparc: vio: Make device_find_child()'s match
 function take a const pointer

From: Zijun Hu <quic_zijuhu@...cinc.com>

In order to adapt for constified device_find_child(), make
vio_md_node_match() as its match function take a const pointer.

Signed-off-by: Zijun Hu <quic_zijuhu@...cinc.com>
---
 arch/sparc/kernel/vio.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/sparc/kernel/vio.c b/arch/sparc/kernel/vio.c
index 07933d75ac81..1a1a9d6b8f2e 100644
--- a/arch/sparc/kernel/vio.c
+++ b/arch/sparc/kernel/vio.c
@@ -419,13 +419,13 @@ struct vio_remove_node_data {
 	u64 node;
 };

-static int vio_md_node_match(struct device *dev, void *arg)
+static int vio_md_node_match(struct device *dev, const void *arg)
 {
 	struct vio_dev *vdev = to_vio_dev(dev);
-	struct vio_remove_node_data *node_data;
+	const struct vio_remove_node_data *node_data;
 	u64 node;

-	node_data = (struct vio_remove_node_data *)arg;
+	node_data = (const struct vio_remove_node_data *)arg;

 	node = vio_vdev_node(node_data->hp, vdev);

-- 
2.34.1