[2/2] char: hw_random: mxc-rnga: use devm_platform_ioremap_resource() to simplify code

Commit Message

Anson Huang July 17, 2019, 9:04 a.m. UTC

From: Anson Huang <[e-mail]>

Use the new helper devm_platform_ioremap_resource() which wraps the
platform_get_resource() and devm_ioremap_resource() together, to
simplify the code.

Signed-off-by: Anson Huang <[e-mail]>
---
 drivers/char/hw_random/mxc-rnga.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

Comments

Dong Aisheng July 17, 2019, 10:24 a.m. UTC | #1

> From: [e-mail] <[e-mail]>
> Sent: Wednesday, July 17, 2019 5:05 PM
> 
> Use the new helper devm_platform_ioremap_resource() which wraps the
> platform_get_resource() and devm_ioremap_resource() together, to simplify
> the code.
> 
> Signed-off-by: Anson Huang <[e-mail]>

Reviewed-by: Dong Aisheng <[e-mail]>

Regards
Aisheng

Patch

diff --git a/drivers/char/hw_random/mxc-rnga.c b/drivers/char/hw_random/mxc-rnga.c
index ea2bf18..025083c 100644
--- a/drivers/char/hw_random/mxc-rnga.c
+++ b/drivers/char/hw_random/mxc-rnga.c
@@ -134,7 +134,6 @@  static void mxc_rnga_cleanup(struct hwrng *rng)
 static int __init mxc_rnga_probe(struct platform_device *pdev)
 {
 	int err;
-	struct resource *res;
 	struct mxc_rng *mxc_rng;
 
 	mxc_rng = devm_kzalloc(&pdev->dev, sizeof(*mxc_rng), GFP_KERNEL);
@@ -158,8 +157,7 @@  static int __init mxc_rnga_probe(struct platform_device *pdev)
 	if (err)
 		return err;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	mxc_rng->mem = devm_ioremap_resource(&pdev->dev, res);
+	mxc_rng->mem = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(mxc_rng->mem)) {
 		err = PTR_ERR(mxc_rng->mem);
 		goto err_ioremap;