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watchdog: ep93xx_wdt: Use devm_ioremap_resource()
Use devm_ioremap_resource() in order to make the code simpler, and remove redundant return value check of platform_get_resource() because the value is checked by devm_ioremap_resource(). Signed-off-by: Jingoo Han <jg1.han@samsung.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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1 changed files with 3 additions and 10 deletions
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@ -118,16 +118,9 @@ static int ep93xx_wdt_probe(struct platform_device *pdev)
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int err;
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res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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if (!res)
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return -ENXIO;
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if (!devm_request_mem_region(&pdev->dev, res->start,
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resource_size(res), pdev->name))
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return -EBUSY;
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mmio_base = devm_ioremap(&pdev->dev, res->start, resource_size(res));
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if (!mmio_base)
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return -ENXIO;
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mmio_base = devm_ioremap_resource(&pdev->dev, res);
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if (IS_ERR(mmio_base))
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return PTR_ERR(mmio_base);
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if (timeout < 1 || timeout > 3600) {
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timeout = WDT_TIMEOUT;
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