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Prevent HCTOSYS from overwriting valid system time (established by bootloader or early NTP sync) with invalid RTC value. Signed-off-by: Akashdeep Kaur --- drivers/rtc/rtc-ti-k3.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/rtc/rtc-ti-k3.c b/drivers/rtc/rtc-ti-k3.c index 8df00319cb6b..99fdf1192675 100644 --- a/drivers/rtc/rtc-ti-k3.c +++ b/drivers/rtc/rtc-ti-k3.c @@ -613,6 +613,13 @@ static int ti_k3_rtc_probe(struct platform_device *pdev) else device_set_wakeup_capable(dev, true); + /* + * TI K3 RTC has no battery backup in typical configurations. + * Mark time as invalid to prevent hctosys from overwriting + * correct system time (from bootloader/NTP) with invalid RTC value. + */ + priv->rtc_dev->time_is_valid = false; + ret = devm_rtc_register_device(priv->rtc_dev); if (ret) return ret; -- 2.34.1