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charset="utf-8" Restore the RTC HW context which may be lost when system enters certain low power mode (IO+DDR mode). Check if the RTC registers are locked which would indicate loss of context (reset) and restore the context as needed. Signed-off-by: Akashdeep Kaur Reviewed-by: Vignesh Raghavendra --- Tested deep sleep with rtcwake after IO DDR resume on AM62P-SK. Changes in v2: -Updated the commit message as suggested in review -Link to v1: https://lore.kernel.org/all/20260311070214.3589965-1-a-kaur@= ti.com/ --- drivers/rtc/rtc-ti-k3.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/rtc/rtc-ti-k3.c b/drivers/rtc/rtc-ti-k3.c index ec759d8f7023..e801f5b9d757 100644 --- a/drivers/rtc/rtc-ti-k3.c +++ b/drivers/rtc/rtc-ti-k3.c @@ -640,10 +640,18 @@ static int __maybe_unused ti_k3_rtc_suspend(struct de= vice *dev) static int __maybe_unused ti_k3_rtc_resume(struct device *dev) { struct ti_k3_rtc *priv =3D dev_get_drvdata(dev); + int ret =3D 0; + + if (k3rtc_check_unlocked(priv)) { + /* RTC locked implies low power mode exit where RTC loses context */ + ret =3D k3rtc_configure(dev); + if (ret) + return ret; + } =20 if (device_may_wakeup(dev)) disable_irq_wake(priv->irq); - return 0; + return ret; } =20 static SIMPLE_DEV_PM_OPS(ti_k3_rtc_pm_ops, ti_k3_rtc_suspend, ti_k3_rtc_re= sume); --=20 2.34.1