linux-kernel - [PATCH 2/2] hwspinlock: qcom: Use devm_hwspin_lock

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Message-Id: <b75f06a1a9d91762cbeb041203d47f1ffc2f8204.1575450802.git.baolin.wang7@gmail.com>
Date:   Wed,  4 Dec 2019 17:21:57 +0800
From:   Baolin Wang <baolin.wang7@...il.com>
To:     agross@...nel.org, ohad@...ery.com, bjorn.andersson@...aro.org
Cc:     baolin.wang7@...il.com, linux-arm-msm@...r.kernel.org,
        linux-remoteproc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] hwspinlock: qcom: Use devm_hwspin_lock_register() to register hwlock controller

Use devm_hwspin_lock_register() to register the hwlock controller instead of
unregistering the hwlock controller explicitly when removing the device.

Signed-off-by: Baolin Wang <baolin.wang7@...il.com>
---
 drivers/hwspinlock/qcom_hwspinlock.c |   19 ++-----------------
 1 file changed, 2 insertions(+), 17 deletions(-)

diff --git a/drivers/hwspinlock/qcom_hwspinlock.c b/drivers/hwspinlock/qcom_hwspinlock.c
index 5a736b0..f0da544 100644
--- a/drivers/hwspinlock/qcom_hwspinlock.c
+++ b/drivers/hwspinlock/qcom_hwspinlock.c
@@ -121,27 +121,12 @@ static int qcom_hwspinlock_probe(struct platform_device *pdev)
 							     regmap, field);
 	}
 
-	return hwspin_lock_register(bank, &pdev->dev, &qcom_hwspinlock_ops,
-				    0, QCOM_MUTEX_NUM_LOCKS);
-}
-
-static int qcom_hwspinlock_remove(struct platform_device *pdev)
-{
-	struct hwspinlock_device *bank = platform_get_drvdata(pdev);
-	int ret;
-
-	ret = hwspin_lock_unregister(bank);
-	if (ret) {
-		dev_err(&pdev->dev, "%s failed: %d\n", __func__, ret);
-		return ret;
-	}
-
-	return 0;
+	return devm_hwspin_lock_register(&pdev->dev, bank, &qcom_hwspinlock_ops,
+					 0, QCOM_MUTEX_NUM_LOCKS);
 }
 
 static struct platform_driver qcom_hwspinlock_driver = {
 	.probe		= qcom_hwspinlock_probe,
-	.remove		= qcom_hwspinlock_remove,
 	.driver		= {
 		.name	= "qcom_hwspinlock",
 		.of_match_table = qcom_hwspinlock_of_match,
-- 
1.7.9.5