Commit f2c5671a authored by Bryan Brattlof's avatar Bryan Brattlof Committed by Alexandre Belloni
Browse files

rtc: k3: wait until the unlock field is not zero 



After writing the magic words to the KICK0 and KICK1 registers, we must
wait for a 1 in the unlock field of the general control register to
signify when the rtc device is in an unlocked state.

Signed-off-by: default avatarBryan Brattlof <bb@ti.com>
Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20220816173312.23243-1-bb@ti.com
parent 07ae9278

drivers/rtc/rtc-ti-k3.c

+1 −1
Original line number Diff line number Diff line
@@ -190,7 +190,7 @@ static int k3rtc_unlock_rtc(struct ti_k3_rtc *priv) 


	/* Skip fence since we are going to check the unlock bit as fence */

	ret = regmap_field_read_poll_timeout(priv->r_fields[K3RTC_UNLOCK], ret,

					     !ret, 2, priv->sync_timeout_us);

					     ret, 2, priv->sync_timeout_us);



	return ret;

}