linux-kernel - [PATCH 09/12] rtc: rx8025: set range

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Message-Id: <20211107225458.111068-9-alexandre.belloni@bootlin.com>
Date:   Sun,  7 Nov 2021 23:54:54 +0100
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Cc:     linux-rtc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 09/12] rtc: rx8025: set range

Set the RTC range, it is a classic BCD RTC, with 00 being a leap
year. Let the core handle range checking.

Signed-off-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
---
 drivers/rtc/rtc-rx8025.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/rtc/rtc-rx8025.c b/drivers/rtc/rtc-rx8025.c
index 6941e0518290..6002305efa2d 100644
--- a/drivers/rtc/rtc-rx8025.c
+++ b/drivers/rtc/rtc-rx8025.c
@@ -248,9 +248,6 @@ static int rx8025_set_time(struct device *dev, struct rtc_time *dt)
 	u8 date[7];
 	int ret;
 
-	if ((dt->tm_year < 100) || (dt->tm_year > 199))
-		return -EINVAL;
-
 	/*
 	 * Here the read-only bits are written as "0".  I'm not sure if that
 	 * is sound.
@@ -553,6 +550,8 @@ static int rx8025_probe(struct i2c_client *client,
 		return PTR_ERR(rx8025->rtc);
 
 	rx8025->rtc->ops = &rx8025_rtc_ops;
+	rx8025->rtc->range_min = RTC_TIMESTAMP_BEGIN_1900;
+	rx8025->rtc->range_max = RTC_TIMESTAMP_END_2099;
 
 	if (client->irq > 0) {
 		dev_info(&client->dev, "IRQ %d supplied\n", client->irq);
-- 
2.31.1