From: Mark Tomlinson <mark.tomlinson@alliedtelesis.co.nz>
Date: Mon, 20 Jan 2025 01:59:40 +0000 (+1300)
Subject: drivers: rtc: max313xx: Fix setting years 2100-2199
X-Git-Tag: v2025.04-rc1~7^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d86da7e2bd6ae89360ff020565f9bf82712d688e;p=pandora-u-boot.git

drivers: rtc: max313xx: Fix setting years 2100-2199

An invalid calculation made setting years 2100-2199 impossible.

Signed-off-by: Mark Tomlinson <mark.tomlinson@alliedtelesis.co.nz>
Cc: Chris Packham <judge.packham@gmail.com>
Reviewed-by: Chris Packham <judge.packham@gmail.com>
---

diff --git a/drivers/rtc/max313xx.c b/drivers/rtc/max313xx.c
index 60400235dd0..ccfd6b6d0e2 100644
--- a/drivers/rtc/max313xx.c
+++ b/drivers/rtc/max313xx.c
@@ -285,7 +285,7 @@ static int max313xx_set_time(struct udevice *dev, const struct rtc_time *t)
 	regs[5] = bin2bcd(t->tm_mon);
 	regs[6] = bin2bcd((t->tm_year - 2000) % 100);
 
-	if ((t->tm_year - 2000) >= 200)
+	if (t->tm_year >= 2100)
 		regs[5] |= FIELD_PREP(MAX313XX_MONTH_CENTURY, 1);
 
 	ret = dm_i2c_write(dev, rtc->chip->sec_reg, regs, 7);