On Tue, Jan 26 2021 at 15:17, Mickaël Salaün wrote:

Thanks for the fix! It boots now with a new message:
rtc_cmos rtc_cmos: not accessible

quoted

 	spin_lock_irqsave(&rtc_lock, flags);
+	/* Ensure that the RTC is accessible. Bit 0-6 must be 0! */
+	if (WARN_ON_ONCE((CMOS_READ(RTC_VALID) & 0x7f) != 0)) {
+		spin_unlock_irqrestore(&rtc_lock, flags);
+		memset(time, 0xff, sizeof(time));

This should be: sizeof(*time)

Of course ....

quoted

+		return 0;
+	}
+
 	/*
 	 * Check whether there is an update in progress during which the
 	 * readout is unspecified. The maximum update time is ~2ms. Poll

Tested-by: Mickaël Salaün <redacted>