rtc: tegra: set range

The Tegra 20 RTC is a 32bit seconds counter (with an unused millisecond
counter).

Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

diff --git a/drivers/rtc/rtc-tegra.c b/drivers/rtc/rtc-tegra.c
index c6b0a99aa3a9398e95647719e74cd8782b7c9cbd..3f93a1f7abb5d4bf36627f54607f665fca5ddb59 100644 (file)
--- a/drivers/rtc/rtc-tegra.c
+++ b/drivers/rtc/rtc-tegra.c
@@ -306,6 +306,13 @@ static int __init tegra_rtc_probe(struct platform_device *pdev)
 
        info->tegra_rtc_irq = ret;
 
+       info->rtc_dev = devm_rtc_allocate_device(&pdev->dev);
+       if (IS_ERR(info->rtc_dev))
+               return PTR_ERR(info->rtc_dev);
+
+       info->rtc_dev->ops = &tegra_rtc_ops;
+       info->rtc_dev->range_max = U32_MAX;
+
        info->clk = devm_clk_get(&pdev->dev, NULL);
        if (IS_ERR(info->clk))
                return PTR_ERR(info->clk);
@@ -327,16 +334,6 @@ static int __init tegra_rtc_probe(struct platform_device *pdev)
 
        device_init_wakeup(&pdev->dev, 1);
 
-       info->rtc_dev = devm_rtc_device_register(&pdev->dev,
-                               dev_name(&pdev->dev), &tegra_rtc_ops,
-                               THIS_MODULE);
-       if (IS_ERR(info->rtc_dev)) {
-               ret = PTR_ERR(info->rtc_dev);
-               dev_err(&pdev->dev, "Unable to register device (err=%d).\n",
-                       ret);
-               goto disable_clk;
-       }
-
        ret = devm_request_irq(&pdev->dev, info->tegra_rtc_irq,
                        tegra_rtc_irq_handler, IRQF_TRIGGER_HIGH,
                        dev_name(&pdev->dev), &pdev->dev);
@@ -347,6 +344,13 @@ static int __init tegra_rtc_probe(struct platform_device *pdev)
                goto disable_clk;
        }
 
+       ret = rtc_register_device(info->rtc_dev);
+       if (ret) {
+               dev_err(&pdev->dev, "Unable to register device (err=%d).\n",
+                       ret);
+               goto disable_clk;
+       }
+
        dev_notice(&pdev->dev, "Tegra internal Real Time Clock\n");
 
        return 0;