linux-kernel - [PATCH 1/2] rtc: s3c: stop setting bogus time

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Date:   Tue,  2 Feb 2021 12:29:33 +0100
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     linux-rtc@...r.kernel.org,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Cc:     linux-kernel@...r.kernel.org, Krzysztof Kozlowski <krzk@...nel.org>
Subject: [PATCH 1/2] rtc: s3c: stop setting bogus time

It doesn't make sense to set the RTC to a default value at probe time. Let
the core handle invalid date and time.

Also, this is basically dead code since commit 22652ba72453 ("rtc: stop
validating rtc_time in .read_time")

Signed-off-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
---
 drivers/rtc/rtc-s3c.c | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index fab326ba9cec..f07b0c43aafe 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -382,7 +382,6 @@ static int s3c_rtc_remove(struct platform_device *pdev)
 static int s3c_rtc_probe(struct platform_device *pdev)
 {
 	struct s3c_rtc *info = NULL;
-	struct rtc_time rtc_tm;
 	int ret;
 
 	info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
@@ -448,20 +447,6 @@ static int s3c_rtc_probe(struct platform_device *pdev)
 
 	device_init_wakeup(&pdev->dev, 1);
 
-	/* Check RTC Time */
-	if (s3c_rtc_gettime(&pdev->dev, &rtc_tm)) {
-		rtc_tm.tm_year	= 100;
-		rtc_tm.tm_mon	= 0;
-		rtc_tm.tm_mday	= 1;
-		rtc_tm.tm_hour	= 0;
-		rtc_tm.tm_min	= 0;
-		rtc_tm.tm_sec	= 0;
-
-		s3c_rtc_settime(&pdev->dev, &rtc_tm);
-
-		dev_warn(&pdev->dev, "warning: invalid RTC value so initializing it\n");
-	}
-
 	/* register RTC and exit */
 	info->rtc = devm_rtc_device_register(&pdev->dev, "s3c", &s3c_rtcops,
 					     THIS_MODULE);
-- 
2.29.2