From f2c5671a64d2a79341e8ee45d5933f6a76960189 Mon Sep 17 00:00:00 2001 From: Bryan Brattlof Date: Tue, 16 Aug 2022 12:33:11 -0500 Subject: 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: Bryan Brattlof Signed-off-by: Alexandre Belloni Link: https://lore.kernel.org/r/20220816173312.23243-1-bb@ti.com --- drivers/rtc/rtc-ti-k3.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/rtc') diff --git a/drivers/rtc/rtc-ti-k3.c b/drivers/rtc/rtc-ti-k3.c index 7a0f181d3fef..fd26be7868d2 100644 --- a/drivers/rtc/rtc-ti-k3.c +++ b/drivers/rtc/rtc-ti-k3.c @@ -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; } -- cgit v1.2.3