linux-kernel - [PATCH RESEND 3/3] rtc: ds1742: Report to RTC core if retrieved time is invalid

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Date:	Sat, 17 Aug 2013 10:43:56 +0400
From:	Alexander Shiyan <shc_work@...l.ru>
To:	rtc-linux@...glegroups.com
Cc:	Alessandro Zummo <a.zummo@...ertech.it>,
	linux-kernel@...r.kernel.org, Alexander Shiyan <shc_work@...l.ru>
Subject: [PATCH RESEND 3/3] rtc: ds1742: Report to RTC core if retrieved time is invalid

Let RTC core decides if the retrieved time is invalid,
instead of processing errors in the driver.

Signed-off-by: Alexander Shiyan <shc_work@...l.ru>
---
 drivers/rtc/rtc-ds1742.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/rtc/rtc-ds1742.c b/drivers/rtc/rtc-ds1742.c
index 139934f..17b73fd 100644
--- a/drivers/rtc/rtc-ds1742.c
+++ b/drivers/rtc/rtc-ds1742.c
@@ -115,11 +115,7 @@ static int ds1742_rtc_read_time(struct device *dev, struct rtc_time *tm)
 	/* year is 1900 + tm->tm_year */
 	tm->tm_year = bcd2bin(year) + bcd2bin(century) * 100 - 1900;
 
-	if (rtc_valid_tm(tm) < 0) {
-		dev_err(dev, "retrieved date/time is not valid.\n");
-		rtc_time_to_tm(0, tm);
-	}
-	return 0;
+	return rtc_valid_tm(tm);
 }
 
 static const struct rtc_class_ops ds1742_rtc_ops = {
-- 
1.8.1.5

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