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[7/7] rtc: davinci: fix date loaded on reset

Message ID 20210507041509.4928-8-dariobin@libero.it
State Changes Requested
Delegated to: Lokesh Vutla
Headers show
Series rtc: davinci: add driver model support | expand

Commit Message

Dario Binacchi May 7, 2021, 4:15 a.m. UTC 
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>

---

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

Patch

diff --git a/drivers/rtc/davinci.c b/drivers/rtc/davinci.c
index b0a077cba7..88fd56b1ba 100644
--- a/drivers/rtc/davinci.c
+++ b/drivers/rtc/davinci.c
@@ -335,6 +335,7 @@  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;
@@ -425,6 +426,15 @@  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;
 }