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@gmail.com>
Link: https://lore.kernel.org/r/d69ad8611a68b0cac3c927d19901f3c113c5435c.1578452735.git.baolin.wang7@gmail.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

diff --git a/drivers/hwspinlock/qcom_hwspinlock.c b/drivers/hwspinlock/qcom_hwspinlock.c
index 5a736b0..f0da544 100644 (file)
--- 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,