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 02af045..22656a9 100644
--- a/drivers/rtc/rtc-m48t86.c
+++ b/drivers/rtc/rtc-m48t86.c
@@ -228,6 +228,7 @@
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 @@
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",