From 429c4f34ee61bead0df8801783ec0777383a78e1 Mon Sep 17 00:00:00 2001
From: Prem J <137923007+ptonystark@users.noreply.github.com>
Date: Tue, 25 Jun 2024 10:38:26 +0530
Subject: [PATCH] Update rtc-pcf85063.c - RTC OC bit fix

Setting the OC bit to zero initially to clear the old status set
---
 drivers/rtc/rtc-pcf85063.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/rtc/rtc-pcf85063.c b/drivers/rtc/rtc-pcf85063.c
index fdbc07f14036a..8da2e4e097f7e 100644
--- a/drivers/rtc/rtc-pcf85063.c
+++ b/drivers/rtc/rtc-pcf85063.c
@@ -585,7 +585,15 @@ static int pcf85063_probe(struct i2c_client *client)
 		dev_err(&client->dev, "RTC chip is not present\n");
 		return err;
 	}
+	ret = regmap_read(pcf85063->regmap, PCF85063_REG_SC, &tmp);
+	if (ret < 0)
+		return ret;
 
+	// cleat the OS Bit if it is set
+	if ((tmp & (1 << (8 - 1)))) {
+		tmp = tmp & (~(1 << (8 - 1)));
+		regmap_write(pcf85063->regmap, PCF85063_REG_SC, tmp);
+	}
 	pcf85063->rtc = devm_rtc_allocate_device(&client->dev);
 	if (IS_ERR(pcf85063->rtc))
 		return PTR_ERR(pcf85063->rtc);