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From: Markus Elfring <Markus.Elfring@web.de>
To: linux-crypto@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	bcm-kernel-feedback-list@broadcom.com,
	Arnd Bergmann <arnd@arndb.de>,
	Florian Fainelli <f.fainelli@gmail.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Herbert Xu <herbert@gondor.apana.org.au>,
	Matt Mackall <mpm@selenic.com>, Ray Jui <rjui@broadcom.com>,
	Scott Branden <sbranden@broadcom.com>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	kernel-janitors@vger.kernel.org,
	LKML <linux-kernel@vger.kernel.org>,
	Himanshu Jha <himanshujha199640@gmail.com>
Subject: [PATCH] hwrng: iproc-rng200 - Use devm_platform_ioremap_resource() in iproc_rng200_probe()
Date: Wed, 18 Sep 2019 09:19:18 +0200	[thread overview]
Message-ID: <0ecb0679-0558-6cbe-af2f-6ee9122a4a7e@web.de> (raw)

From: Markus Elfring <elfring@users.sourceforge.net>
Date: Wed, 18 Sep 2019 09:09:22 +0200

Simplify this function implementation by using a known wrapper function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
 drivers/char/hw_random/iproc-rng200.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/char/hw_random/iproc-rng200.c b/drivers/char/hw_random/iproc-rng200.c
index 92be1c0ab99f..899ff25f4f28 100644
--- a/drivers/char/hw_random/iproc-rng200.c
+++ b/drivers/char/hw_random/iproc-rng200.c
@@ -181,7 +181,6 @@ static void iproc_rng200_cleanup(struct hwrng *rng)
 static int iproc_rng200_probe(struct platform_device *pdev)
 {
 	struct iproc_rng200_dev *priv;
-	struct resource *res;
 	struct device *dev = &pdev->dev;
 	int ret;

@@ -190,13 +189,7 @@ static int iproc_rng200_probe(struct platform_device *pdev)
 		return -ENOMEM;

 	/* Map peripheral */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(dev, "failed to get rng resources\n");
-		return -EINVAL;
-	}
-
-	priv->base = devm_ioremap_resource(dev, res);
+	priv->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(priv->base)) {
 		dev_err(dev, "failed to remap rng regs\n");
 		return PTR_ERR(priv->base);
--
2.23.0


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             reply	other threads:[~2019-09-18  7:20 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-18  7:19 Markus Elfring [this message]
2019-09-18 16:37 ` [PATCH] hwrng: iproc-rng200 - Use devm_platform_ioremap_resource() in iproc_rng200_probe() Ray Jui
2019-09-18 17:13 ` Florian Fainelli
2019-10-04 15:42 ` Herbert Xu

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