linux-kernel - [PATCH 19/27] firmware: arm_scmi: Make device_find_child()'s match function take a const pointer

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Message-Id: <20240811-const_dfc_done-v1-19-9d85e3f943cb@quicinc.com>
Date: Sun, 11 Aug 2024 10:25:10 +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 19/27] firmware: arm_scmi: 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
scmi_match_by_id_table() as its match function take a const pointer.

Signed-off-by: Zijun Hu <quic_zijuhu@...cinc.com>
---
 drivers/firmware/arm_scmi/bus.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/firmware/arm_scmi/bus.c b/drivers/firmware/arm_scmi/bus.c
index 96b2e5f9a8ef..14c2cc141d8c 100644
--- a/drivers/firmware/arm_scmi/bus.c
+++ b/drivers/firmware/arm_scmi/bus.c
@@ -238,10 +238,10 @@ static int scmi_dev_match(struct device *dev, const struct device_driver *drv)
 	return 0;
 }

-static int scmi_match_by_id_table(struct device *dev, void *data)
+static int scmi_match_by_id_table(struct device *dev, const void *data)
 {
 	struct scmi_device *sdev = to_scmi_dev(dev);
-	struct scmi_device_id *id_table = data;
+	const struct scmi_device_id *id_table = data;

 	return sdev->protocol_id == id_table->protocol_id &&
 		(id_table->name && !strcmp(sdev->name, id_table->name));

-- 
2.34.1