[PATCH 3/6] rtc: brcmstb-waketimer: compensate for lack of wktmr disable

[Florian Fainelli]

On 1/20/23 11:01, Doug Berger wrote:
> Since the WKTMR hardware block cannot be disabled it is necessary
> for the driver to accommodate for associated timing hazards. This
> commit targets the following possibilities:
> 
> A possible race between clearing a wktmr event and the alarm expiring
> is made one-sided by setting the alarm to its maximum value before
> clearing the event.
> 
> Programming alarm values close to the current time may not trigger
> events if the counter advances while the alarm is being programmed.
> After programming an alarm, a check is made to ensure that it is
> either in the future or an expiration event is pending.
> 
> Signed-off-by: Doug Berger <opendmb at gmail.com>

Acked-by: Florian Fainelli <f.fainelli at gmail.com>
-- 
Florian