diff options
| author |   Markus Elfring <elfring@users.sourceforge.net> | 2019-09-18 09:34:11 +0200 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2019-10-05 01:06:18 +1000 |
| commit | 0600e9c07103c4694e0c0b0eff8cf6cf8a17ac42 (patch) | |
| tree | cd6b7d7a7abe7b1b1040dd15784b584944282e60 | |
| parent | crypto: jitter - fix comments (diff) | |
| download | linux-dev-0600e9c07103c4694e0c0b0eff8cf6cf8a17ac42.tar.xz linux-dev-0600e9c07103c4694e0c0b0eff8cf6cf8a17ac42.zip | |
hwrng: mediatek - Use devm_platform_ioremap_resource() in mtk_rng_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>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | drivers/char/hw_random/mtk-rng.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/char/hw_random/mtk-rng.c b/drivers/char/hw_random/mtk-rng.c index e649be5a5f13..8ad7b515a51b 100644 --- a/drivers/char/hw_random/mtk-rng.c +++ b/drivers/char/hw_random/mtk-rng.c @@ -105,16 +105,9 @@ static int mtk_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait) static int mtk_rng_probe(struct platform_device *pdev) { - struct resource *res; int ret; struct mtk_rng *priv; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, "no iomem resource\n"); - return -ENXIO; - } - priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; @@ -135,7 +128,7 @@ static int mtk_rng_probe(struct platform_device *pdev) return ret; } - priv->base = devm_ioremap_resource(&pdev->dev, res); + priv->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(priv->base)) return PTR_ERR(priv->base); |