[PATCH 02/10] hwrng: stm32 - use devm_platform_get_and_ioremap_resource() API

[Gatien Chevallier <gatien.chevallier@foss.st.com>]

Use devm_platform_get_and_ioremap_resource() to get and ioremap a
resource.

Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
---
 drivers/char/hw_random/stm32-rng.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/char/hw_random/stm32-rng.c b/drivers/char/hw_random/stm32-rng.c
index efb6a9f9a11b..d64d25d0fee8 100644
--- a/drivers/char/hw_random/stm32-rng.c
+++ b/drivers/char/hw_random/stm32-rng.c
@@ -118,18 +118,13 @@ static int stm32_rng_probe(struct platform_device *ofdev)
 	struct device *dev = &ofdev->dev;
 	struct device_node *np = ofdev->dev.of_node;
 	struct stm32_rng_private *priv;
-	struct resource res;
-	int err;
+	struct resource *res;
 
 	priv = devm_kzalloc(dev, sizeof(struct stm32_rng_private), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;
 
-	err = of_address_to_resource(np, 0, &res);
-	if (err)
-		return err;
-
-	priv->base = devm_ioremap_resource(dev, &res);
+	priv->base = devm_platform_get_and_ioremap_resource(ofdev, 0, &res);
 	if (IS_ERR(priv->base))
 		return PTR_ERR(priv->base);
 
-- 
2.25.1