drivers/char/hw_random: don't check resource with devm_ioremap_resource
authorWolfram Sang <wsa@the-dreams.de>
Sun, 12 May 2013 13:19:46 +0000 (15:19 +0200)
committerWolfram Sang <wsa@the-dreams.de>
Sun, 12 May 2013 13:19:46 +0000 (15:19 +0200)
devm_ioremap_resource does sanity checks on the given resource. No need to
duplicate this in the driver.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
drivers/char/hw_random/mxc-rnga.c
drivers/char/hw_random/omap-rng.c

index 4ca35e8..19a12ac 100644 (file)
@@ -167,11 +167,6 @@ static int __init mxc_rnga_probe(struct platform_device *pdev)
        clk_prepare_enable(mxc_rng->clk);
 
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       if (!res) {
-               err = -ENOENT;
-               goto err_region;
-       }
-
        mxc_rng->mem = devm_ioremap_resource(&pdev->dev, res);
        if (IS_ERR(mxc_rng->mem)) {
                err = PTR_ERR(mxc_rng->mem);
@@ -189,7 +184,6 @@ static int __init mxc_rnga_probe(struct platform_device *pdev)
        return 0;
 
 err_ioremap:
-err_region:
        clk_disable_unprepare(mxc_rng->clk);
 
 out:
index 749dc16..d2903e7 100644 (file)
@@ -119,11 +119,6 @@ static int omap_rng_probe(struct platform_device *pdev)
        dev_set_drvdata(&pdev->dev, priv);
 
        priv->mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       if (!priv->mem_res) {
-               ret = -ENOENT;
-               goto err_ioremap;
-       }
-
        priv->base = devm_ioremap_resource(&pdev->dev, priv->mem_res);
        if (IS_ERR(priv->base)) {
                ret = PTR_ERR(priv->base);