[PATCH 4/9] hwrng: omap - Use the managed device resource API for registration

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Use devm_hwrng_register instead of hwrng_register. It avoids the need
to handle unregistration explicitly from the remove function.

Signed-off-by: Romain Perier <romain.perier@xxxxxxxxxxxxxxxxxx>
---
 drivers/char/hw_random/omap-rng.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/char/hw_random/omap-rng.c b/drivers/char/hw_random/omap-rng.c
index d47b24d..171c3e8 100644
--- a/drivers/char/hw_random/omap-rng.c
+++ b/drivers/char/hw_random/omap-rng.c
@@ -381,7 +381,7 @@ static int omap_rng_probe(struct platform_device *pdev)
 	if (ret)
 		goto err_ioremap;
 
-	ret = hwrng_register(&omap_rng_ops);
+	ret = devm_hwrng_register(dev, &omap_rng_ops);
 	if (ret)
 		goto err_register;
 
@@ -402,8 +402,6 @@ static int omap_rng_remove(struct platform_device *pdev)
 {
 	struct omap_rng_dev *priv = platform_get_drvdata(pdev);
 
-	hwrng_unregister(&omap_rng_ops);
-
 	priv->pdata->cleanup(priv);
 
 	pm_runtime_put_sync(&pdev->dev);
-- 
2.9.3

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