1 files changed, 9 insertions, 11 deletions

diff --git a/drivers/rtc/rtc-brcmstb-waketimer.c b/drivers/rtc/rtc-brcmstb-waketimer.c
index bdd6674a1054..f4010a75f2be 100644
--- a/drivers/rtc/rtc-brcmstb-waketimer.c
+++ b/drivers/rtc/rtc-brcmstb-waketimer.c
@@ -145,9 +145,6 @@ static int brcmstb_waketmr_settime(struct device *dev,
 
 	sec = rtc_tm_to_time64(tm);
 
-	if (sec > U32_MAX || sec < 0)
-		return -EINVAL;
-
 	writel_relaxed(sec, timer->base + BRCMSTB_WKTMR_COUNTER);
 
 	return 0;
@@ -184,9 +181,6 @@ static int brcmstb_waketmr_setalarm(struct device *dev,
 	else
 		sec = 0;
 
-	if (sec > U32_MAX || sec < 0)
-		return -EINVAL;
-
 	brcmstb_waketmr_set_alarm(timer, sec);
 
 	return 0;
@@ -229,6 +223,10 @@ static int brcmstb_waketmr_probe(struct platform_device *pdev)
 	if (IS_ERR(timer->base))
 		return PTR_ERR(timer->base);
 
+	timer->rtc = devm_rtc_allocate_device(dev);
+	if (IS_ERR(timer->rtc))
+		return PTR_ERR(timer->rtc);
+
 	/*
 	 * Set wakeup capability before requesting wakeup interrupt, so we can
 	 * process boot-time "wakeups" (e.g., from S5 soft-off)
@@ -261,11 +259,12 @@ static int brcmstb_waketmr_probe(struct platform_device *pdev)
 	timer->reboot_notifier.notifier_call = brcmstb_waketmr_reboot;
 	register_reboot_notifier(&timer->reboot_notifier);
 
-	timer->rtc = rtc_device_register("brcmstb-waketmr", dev,
-					 &brcmstb_waketmr_ops, THIS_MODULE);
-	if (IS_ERR(timer->rtc)) {
+	timer->rtc->ops = &brcmstb_waketmr_ops;
+	timer->rtc->range_max = U32_MAX;
+
+	ret = rtc_register_device(timer->rtc);
+	if (ret) {
 		dev_err(dev, "unable to register device\n");
-		ret = PTR_ERR(timer->rtc);
 		goto err_notifier;
 	}
 
@@ -288,7 +287,6 @@ static int brcmstb_waketmr_remove(struct platform_device *pdev)
 	struct brcmstb_waketmr *timer = dev_get_drvdata(&pdev->dev);
 
 	unregister_reboot_notifier(&timer->reboot_notifier);
-	rtc_device_unregister(timer->rtc);
 
 	return 0;
 }