[PATCH] hwrng: pic32 - Use device-managed registration API

[Tian Tao <tiantao6@xxxxxxxxxxxxx>]

Use devm_hwrng_register to get rid of manual unregistration.

Signed-off-by: Tian Tao <tiantao6@xxxxxxxxxxxxx>
---
 drivers/char/hw_random/pic32-rng.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/char/hw_random/pic32-rng.c b/drivers/char/hw_random/pic32-rng.c
index e8210c1..99c8bd0 100644
--- a/drivers/char/hw_random/pic32-rng.c
+++ b/drivers/char/hw_random/pic32-rng.c
@@ -96,7 +96,7 @@ static int pic32_rng_probe(struct platform_device *pdev)
 	priv->rng.name = pdev->name;
 	priv->rng.read = pic32_rng_read;
 
-	ret = hwrng_register(&priv->rng);
+	ret = devm_hwrng_register(&pdev->dev, &priv->rng);
 	if (ret)
 		goto err_register;
 
@@ -113,7 +113,6 @@ static int pic32_rng_remove(struct platform_device *pdev)
 {
 	struct pic32_rng *rng = platform_get_drvdata(pdev);
 
-	hwrng_unregister(&rng->rng);
 	writel(0, rng->base + RNGCON);
 	clk_disable_unprepare(rng->clk);
 	return 0;
-- 
2.7.4