linux-kernel - [PATCH 10/27] pwm: Make device_find_child()'s match function take a const pointer

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Message-Id: <20240811-const_dfc_done-v1-10-9d85e3f943cb@quicinc.com>
Date: Sun, 11 Aug 2024 10:25:01 +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 10/27] pwm: 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
pwm_unexport_match() as its match function take a const pointer.

Signed-off-by: Zijun Hu <quic_zijuhu@...cinc.com>
---
 drivers/pwm/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index 8acbcf5b6673..8e58b95d69e1 100644
--- a/drivers/pwm/core.c
+++ b/drivers/pwm/core.c
@@ -753,7 +753,7 @@ static int pwm_export_child(struct device *pwmchip_dev, struct pwm_device *pwm)
 	return 0;
 }

-static int pwm_unexport_match(struct device *pwm_dev, void *data)
+static int pwm_unexport_match(struct device *pwm_dev, const void *data)
 {
 	return pwm_from_dev(pwm_dev) == data;
 }

-- 
2.34.1