Messages in this thread Patch in this message | | | From | Markus Elfring <> | Subject | [PATCH] hwrng: iproc-rng200 - Use devm_platform_ioremap_resource() in iproc_rng200_probe() | Date | Wed, 18 Sep 2019 09:19:18 +0200 |
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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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