rtc: tx4939: switch to rtc_register_device

This allows for future improvement of the driver.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

diff --git a/drivers/rtc/rtc-tx4939.c b/drivers/rtc/rtc-tx4939.c
index 1f4013d..75c3887 100644 (file)
--- a/drivers/rtc/rtc-tx4939.c
+++ b/drivers/rtc/rtc-tx4939.c
@@ -283,10 +283,16 @@ static int __init tx4939_rtc_probe(struct platform_device *pdev)
        if (devm_request_irq(&pdev->dev, irq, tx4939_rtc_interrupt,
                             0, pdev->name, &pdev->dev) < 0)
                return -EBUSY;
-       rtc = devm_rtc_device_register(&pdev->dev, pdev->name,
-                                 &tx4939_rtc_ops, THIS_MODULE);
+       rtc = devm_rtc_allocate_device(&pdev->dev);
        if (IS_ERR(rtc))
                return PTR_ERR(rtc);
+
+       rtc->ops = &tx4939_rtc_ops;
+
+       ret = rtc_register_device(rtc);
+       if (ret)
+               return ret;
+
        pdata->rtc = rtc;
        ret = sysfs_create_bin_file(&pdev->dev.kobj, &tx4939_rtc_nvram_attr);