diff options
Diffstat (limited to 'drivers/rtc/rtc-ds1553.c')
| -rw-r--r-- | drivers/rtc/rtc-ds1553.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/rtc/rtc-ds1553.c b/drivers/rtc/rtc-ds1553.c index 8c6c952e90b1..fd31571941f5 100644 --- 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); |