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From: Dario Binacchi <dariobin@libero.it>
To: u-boot@lists.denx.de
Cc: Dario Binacchi <dariobin@libero.it>, Lokesh Vutla <lokeshvutla@ti.com>
Subject: [PATCH v2 8/8] rtc: davinci: fix date loaded on reset
Date: Wed,  2 Jun 2021 22:38:05 +0200	[thread overview]
Message-ID: <20210602203805.11494-9-dariobin@libero.it> (raw)
In-Reply-To: <20210602203805.11494-1-dariobin@libero.it>

On reset, the RTC loads the 2000-01-01 date with a wrong day of the
week (Sunday instead of Saturday).

Signed-off-by: Dario Binacchi <dariobin@libero.it>

---

(no changes since v1)

 drivers/rtc/davinci.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/rtc/davinci.c b/drivers/rtc/davinci.c
index 21e5234477..c7ce41bbf5 100644
--- a/drivers/rtc/davinci.c
+++ b/drivers/rtc/davinci.c
@@ -290,6 +290,7 @@ static int omap_rtc_remove(struct udevice *dev)
 static int omap_rtc_probe(struct udevice *dev)
 {
 	struct omap_rtc_priv *priv = dev_get_priv(dev);
+	struct rtc_time tm;
 	u8 reg, mask, new_ctrl;
 
 	priv->dev = dev;
@@ -380,6 +381,15 @@ static int omap_rtc_probe(struct udevice *dev)
 	}
 
 	omap_rtc_lock(priv);
+
+	if (omap_rtc_get(dev, &tm)) {
+		dev_err(dev, "failed to get datetime\n");
+	} else if (tm.tm_year == 2000 && tm.tm_mon == 1 && tm.tm_mday == 1 &&
+		   tm.tm_wday == 0) {
+		tm.tm_wday = 6;
+		omap_rtc_set(dev, &tm);
+	}
+
 	return 0;
 }
 
-- 
2.17.1


  parent reply	other threads:[~2021-06-02 20:40 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-02 20:37 [PATCH v2 0/8] rtc: davinci: add driver model support Dario Binacchi
2021-06-02 20:37 ` [PATCH v2 1/8] rtc: davinci: enable compilation for omap architectures Dario Binacchi
2021-06-02 20:37 ` [PATCH v2 2/8] rtc: davinci: fix compiler errors Dario Binacchi
2021-06-02 20:38 ` [PATCH v2 3/8] rtc: davinci: replace 32bit access with 8bit access Dario Binacchi
2021-06-02 20:38 ` [PATCH v2 4/8] rtc: davinci: check BUSY bit before set TC registers Dario Binacchi
2021-06-02 20:38 ` [PATCH v2 5/8] rtc: davinci: use unlock/lock mechanism Dario Binacchi
2021-06-02 20:38 ` [PATCH v2 6/8] arm: dts: sync rtc node of am335x boards with Linux 5.9-rc7 Dario Binacchi
2021-06-02 20:38 ` [PATCH v2 7/8] rtc: davinci: add driver model support Dario Binacchi
2021-06-02 20:38 ` Dario Binacchi [this message]
2021-06-09 16:55 ` [PATCH v2 0/8] " Lokesh Vutla

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