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@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

diff --git a/drivers/hwspinlock/sprd_hwspinlock.c b/drivers/hwspinlock/sprd_hwspinlock.c
index e76c702..44d69db 100644 (file)
--- 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;
 }