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@xxxxxxxxx> --- drivers/hwspinlock/omap_hwspinlock.c | 13 ++----------- 1 file changed, 2 insertions(+), 11 deletions(-) diff --git a/drivers/hwspinlock/omap_hwspinlock.c b/drivers/hwspinlock/omap_hwspinlock.c index 3b05560..9e8a8c2 100644 --- a/drivers/hwspinlock/omap_hwspinlock.c +++ b/drivers/hwspinlock/omap_hwspinlock.c @@ -131,8 +131,8 @@ static int omap_hwspinlock_probe(struct platform_device *pdev) for (i = 0, hwlock = &bank->lock[0]; i < num_locks; i++, hwlock++) hwlock->priv = io_base + LOCK_BASE_OFFSET + sizeof(u32) * i; - ret = hwspin_lock_register(bank, &pdev->dev, &omap_hwspinlock_ops, - base_id, num_locks); + ret = devm_hwspin_lock_register(&pdev->dev, bank, &omap_hwspinlock_ops, + base_id, num_locks); if (ret) goto runtime_err; @@ -148,15 +148,6 @@ static int omap_hwspinlock_probe(struct platform_device *pdev) static int omap_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; - } - pm_runtime_disable(&pdev->dev); return 0; -- 1.7.9.5