linux-kernel - [PATCH 4/4] hwspinlock: sprd: Use devm_hwspin_lock

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Message-Id: <e8f1db04571f62298c7a4f72be803b9b9974d12d.1569567749.git.baolin.wang@linaro.org>
Date:   Fri, 27 Sep 2019 15:10:47 +0800
From:   Baolin Wang <baolin.wang@...aro.org>
To:     ohad@...ery.com, bjorn.andersson@...aro.org
Cc:     orsonzhai@...il.com, baolin.wang@...aro.org, zhang.lyra@...il.com,
        linux-remoteproc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 4/4] hwspinlock: sprd: 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.wang@...aro.org>
---
 drivers/hwspinlock/sprd_hwspinlock.c |    8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/hwspinlock/sprd_hwspinlock.c b/drivers/hwspinlock/sprd_hwspinlock.c
index e76c702..44d69db 100644
--- a/drivers/hwspinlock/sprd_hwspinlock.c
+++ b/drivers/hwspinlock/sprd_hwspinlock.c
@@ -135,8 +135,9 @@ static int sprd_hwspinlock_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, sprd_hwlock);
 	pm_runtime_enable(&pdev->dev);
 
-	ret = hwspin_lock_register(&sprd_hwlock->bank, &pdev->dev,
-				   &sprd_hwspinlock_ops, 0, SPRD_HWLOCKS_NUM);
+	ret = devm_hwspin_lock_register(&pdev->dev, &sprd_hwlock->bank,
+					&sprd_hwspinlock_ops, 0,
+					SPRD_HWLOCKS_NUM);
 	if (ret) {
 		pm_runtime_disable(&pdev->dev);
 		return ret;
@@ -147,9 +148,6 @@ static int sprd_hwspinlock_probe(struct platform_device *pdev)
 
 static int sprd_hwspinlock_remove(struct platform_device *pdev)
 {
-	struct sprd_hwspinlock_dev *sprd_hwlock = platform_get_drvdata(pdev);
-
-	hwspin_lock_unregister(&sprd_hwlock->bank);
 	pm_runtime_disable(&pdev->dev);
 	return 0;
 }
-- 
1.7.9.5