diff options
author | Markus Elfring <elfring@users.sourceforge.net> | 2019-09-18 09:09:22 +0200 |
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committer | Herbert Xu <herbert@gondor.apana.org.au> | 2019-10-05 01:06:17 +1000 |
commit | a68b931932c5574aa5bd459529c766ba577c72b3 (patch) | |
tree | a8537c4261b1b09f36b135302363469bc52fb9ed /drivers/char/hw_random/iproc-rng200.c | |
parent | 946a4a2a49195e2d45c71fcb0d887fc1b3fad567 (diff) | |
download | linux-a68b931932c5574aa5bd459529c766ba577c72b3.tar.bz2 |
hwrng: iproc-rng200 - Use devm_platform_ioremap_resource() in iproc_rng200_probe()
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>
Reviewed-by: Ray Jui <ray.jui@broadcom.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/char/hw_random/iproc-rng200.c')
-rw-r--r-- | drivers/char/hw_random/iproc-rng200.c | 9 |
1 files changed, 1 insertions, 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); |