diff options
Diffstat (limited to 'drivers/rtc/rtc-at91rm9200.c')
| -rw-r--r-- | drivers/rtc/rtc-at91rm9200.c | 28 |
1 files changed, 7 insertions, 21 deletions
diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c index 741892632ae0..8b2cd8a5a2ff 100644 --- a/drivers/rtc/rtc-at91rm9200.c +++ b/drivers/rtc/rtc-at91rm9200.c @@ -376,7 +376,8 @@ static int __init at91_rtc_probe(struct platform_device *pdev) return -ENXIO; } - at91_rtc_regs = ioremap(regs->start, resource_size(regs)); + at91_rtc_regs = devm_ioremap(&pdev->dev, regs->start, + resource_size(regs)); if (!at91_rtc_regs) { dev_err(&pdev->dev, "failed to map registers, aborting.\n"); return -ENOMEM; @@ -390,12 +391,12 @@ static int __init at91_rtc_probe(struct platform_device *pdev) AT91_RTC_SECEV | AT91_RTC_TIMEV | AT91_RTC_CALEV); - ret = request_irq(irq, at91_rtc_interrupt, + ret = devm_request_irq(&pdev->dev, irq, at91_rtc_interrupt, IRQF_SHARED, "at91_rtc", pdev); if (ret) { dev_err(&pdev->dev, "IRQ %d already in use.\n", irq); - goto err_unmap; + return ret; } /* cpu init code should really have flagged this device as @@ -404,23 +405,14 @@ static int __init at91_rtc_probe(struct platform_device *pdev) if (!device_can_wakeup(&pdev->dev)) device_init_wakeup(&pdev->dev, 1); - rtc = rtc_device_register(pdev->name, &pdev->dev, + rtc = devm_rtc_device_register(&pdev->dev, pdev->name, &at91_rtc_ops, THIS_MODULE); - if (IS_ERR(rtc)) { - ret = PTR_ERR(rtc); - goto err_free_irq; - } + if (IS_ERR(rtc)) + return PTR_ERR(rtc); platform_set_drvdata(pdev, rtc); dev_info(&pdev->dev, "AT91 Real Time Clock driver.\n"); return 0; - -err_free_irq: - free_irq(irq, pdev); -err_unmap: - iounmap(at91_rtc_regs); - - return ret; } /* @@ -428,16 +420,10 @@ err_unmap: */ static int __exit at91_rtc_remove(struct platform_device *pdev) { - struct rtc_device *rtc = platform_get_drvdata(pdev); - /* Disable all interrupts */ at91_rtc_write_idr(AT91_RTC_ACKUPD | AT91_RTC_ALARM | AT91_RTC_SECEV | AT91_RTC_TIMEV | AT91_RTC_CALEV); - free_irq(irq, pdev); - - rtc_device_unregister(rtc); - iounmap(at91_rtc_regs); return 0; } |