Merge branch 'acpi-fixes'

[~andy/linux] / drivers / rtc / rtc-ds1553.c

diff --git a/drivers/rtc/rtc-ds1553.c b/drivers/rtc/rtc-ds1553.c
index 8c6c952e90b1c60ab1581c4b073359ed59a1996c..fd31571941f5102260c96fac9e6f28df890eacb6 100644 (file)
--- a/drivers/rtc/rtc-ds1553.c
+++ b/drivers/rtc/rtc-ds1553.c
@@ -285,19 +285,14 @@ static int ds1553_rtc_probe(struct platform_device *pdev)
        void __iomem *ioaddr;
        int ret = 0;
 
-       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       if (!res)
-               return -ENODEV;
        pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
        if (!pdata)
                return -ENOMEM;
-       if (!devm_request_mem_region(&pdev->dev, res->start, RTC_REG_SIZE,
-                       pdev->name))
-               return -EBUSY;
 
-       ioaddr = devm_ioremap(&pdev->dev, res->start, RTC_REG_SIZE);
-       if (!ioaddr)
-               return -ENOMEM;
+       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+       ioaddr = devm_ioremap_resource(&pdev->dev, res);
+       if (IS_ERR(ioaddr))
+               return PTR_ERR(ioaddr);
        pdata->ioaddr = ioaddr;
        pdata->irq = platform_get_irq(pdev, 0);