diff options
| author |   Bryan Brattlof <bb@ti.com> | 2022-08-16 12:33:11 -0500 |
|---|---|---|
| committer |   Alexandre Belloni <alexandre.belloni@bootlin.com> | 2022-08-23 22:25:28 +0200 |
| commit | f2c5671a64d2a79341e8ee45d5933f6a76960189 (patch) | |
| tree | c172bf822230f5799042b7bdb673d9b34d775f8d /drivers/rtc | |
| parent | rtc: mpfs: Remove printing of stray CR (diff) | |
| download | linux-dev-f2c5671a64d2a79341e8ee45d5933f6a76960189.tar.xz linux-dev-f2c5671a64d2a79341e8ee45d5933f6a76960189.zip | |
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 <bb@ti.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20220816173312.23243-1-bb@ti.com
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-ti-k3.c | 2 |
1 files changed, 1 insertions, 1 deletions
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; } |