On Mon, Apr 08, 2024 at 01:02:31PM +0300, Matti Vaittinen wrote: > The always-running (from linux,wdt-gpio.yaml) is abused by the BD9576 > watchdog driver. It's defined meaning is "the watchdog is always running > and can not be stopped". The BD9576 watchdog driver has implemented it > as "start watchdog when loading the module and prevent it from being > stopped". > > Furthermore, the implementation does not set the WDOG_HW_RUNNING when > enabling the watchdog due to the "always-running" at module loading. > This will end up resulting a watchdog timeout if the device is not > opened. > > The culprit was pointed out by Guenter, discussion can be found from > https://lore.kernel.org/lkml/4fa3a64b-60fb-4e5e-8785-0f14da37eea2@xxxxxxxxxxxx/ > > Drop the invalid "always-running" handling. > > Signed-off-by: Matti Vaittinen <mazziesaccount@xxxxxxxxx> > Reported-by: Guenter Roeck <linux@xxxxxxxxxxxx> > Fixes: b237bcac557a ("wdt: Support wdt on ROHM BD9576MUF and BD9573MUF") Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx> Guenter
