rtc: m48t86: switch to rtc_register_device

This allows for future improvement of the driver.

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

diff --git a/drivers/rtc/rtc-m48t86.c b/drivers/rtc/rtc-m48t86.c
index 02af045305dd3ce156a7f60b14cc153e548ce60c..22656a90cfc5d5afc4a80a02bd1eb1566182fb4c 100644 (file)
--- a/drivers/rtc/rtc-m48t86.c
+++ b/drivers/rtc/rtc-m48t86.c
@@ -228,6 +228,7 @@ static int m48t86_rtc_probe(struct platform_device *pdev)
        struct m48t86_rtc_info *info;
        struct resource *res;
        unsigned char reg;
+       int err;
 
        info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
        if (!info)
@@ -254,11 +255,16 @@ static int m48t86_rtc_probe(struct platform_device *pdev)
                return -ENODEV;
        }
 
-       info->rtc = devm_rtc_device_register(&pdev->dev, "m48t86",
-                                            &m48t86_rtc_ops, THIS_MODULE);
+       info->rtc = devm_rtc_allocate_device(&pdev->dev);
        if (IS_ERR(info->rtc))
                return PTR_ERR(info->rtc);
 
+       info->rtc->ops = &m48t86_rtc_ops;
+
+       err = rtc_register_device(info->rtc);
+       if (err)
+               return err;
+
        /* read battery status */
        reg = m48t86_readb(&pdev->dev, M48T86_D);
        dev_info(&pdev->dev, "battery %s\n",