diff options
Diffstat (limited to 'drivers/rtc/rtc-vt8500.c')
-rw-r--r-- | drivers/rtc/rtc-vt8500.c | 32 |
1 files changed, 10 insertions, 22 deletions
diff --git a/drivers/rtc/rtc-vt8500.c b/drivers/rtc/rtc-vt8500.c index d5d14cf86e0d..e2588625025f 100644 --- a/drivers/rtc/rtc-vt8500.c +++ b/drivers/rtc/rtc-vt8500.c @@ -122,12 +122,6 @@ static int vt8500_rtc_set_time(struct device *dev, struct rtc_time *tm) { struct vt8500_rtc *vt8500_rtc = dev_get_drvdata(dev); - if (tm->tm_year < 100) { - dev_warn(dev, "Only years 2000-2199 are supported by the " - "hardware!\n"); - return -EINVAL; - } - writel((bin2bcd(tm->tm_year % 100) << DATE_YEAR_S) | (bin2bcd(tm->tm_mon + 1) << DATE_MONTH_S) | (bin2bcd(tm->tm_mday)) @@ -200,7 +194,6 @@ static const struct rtc_class_ops vt8500_rtc_ops = { static int vt8500_rtc_probe(struct platform_device *pdev) { struct vt8500_rtc *vt8500_rtc; - struct resource *res; int ret; vt8500_rtc = devm_kzalloc(&pdev->dev, @@ -215,8 +208,7 @@ static int vt8500_rtc_probe(struct platform_device *pdev) if (vt8500_rtc->irq_alarm < 0) return vt8500_rtc->irq_alarm; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - vt8500_rtc->regbase = devm_ioremap_resource(&pdev->dev, res); + vt8500_rtc->regbase = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(vt8500_rtc->regbase)) return PTR_ERR(vt8500_rtc->regbase); @@ -224,27 +216,23 @@ static int vt8500_rtc_probe(struct platform_device *pdev) writel(VT8500_RTC_CR_ENABLE, vt8500_rtc->regbase + VT8500_RTC_CR); - vt8500_rtc->rtc = devm_rtc_device_register(&pdev->dev, "vt8500-rtc", - &vt8500_rtc_ops, THIS_MODULE); - if (IS_ERR(vt8500_rtc->rtc)) { - ret = PTR_ERR(vt8500_rtc->rtc); - dev_err(&pdev->dev, - "Failed to register RTC device -> %d\n", ret); - goto err_return; - } + vt8500_rtc->rtc = devm_rtc_allocate_device(&pdev->dev); + if (IS_ERR(vt8500_rtc->rtc)) + return PTR_ERR(vt8500_rtc->rtc); + + vt8500_rtc->rtc->ops = &vt8500_rtc_ops; + vt8500_rtc->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000; + vt8500_rtc->rtc->range_max = RTC_TIMESTAMP_END_2199; ret = devm_request_irq(&pdev->dev, vt8500_rtc->irq_alarm, vt8500_rtc_irq, 0, "rtc alarm", vt8500_rtc); if (ret < 0) { dev_err(&pdev->dev, "can't get irq %i, err %d\n", vt8500_rtc->irq_alarm, ret); - goto err_return; + return ret; } - return 0; - -err_return: - return ret; + return rtc_register_device(vt8500_rtc->rtc); } static int vt8500_rtc_remove(struct platform_device *pdev) |