Messages in this thread | | | Subject | Re: driver: watchdog: Remove mtk_wdt_stop() in probe() to prevent the system freeze and it doesn't reboot by watchdog problem | From | Guenter Roeck <> | Date | Fri, 25 Dec 2020 06:27:54 -0800 |
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On 12/24/20 11:30 PM, Freddy Hsin wrote: > Before user space daemon start to access the watchdog device, > there is a time interval that watchdog is disabled in the > original flow. If the system freezing at this interval, it > cannot be rebooted by watchdog hardware automatically. > > In order to solve this problem, the watchdog hardware should be > kept working, and start hrtimer in framework to ping it by > setting max_hw_heartbeat_ms and HW_RUNNING used in > watchdog_need_worker to determine whether the worker should be > started or not > This intro email is unnecessary.
Guenter
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