Wim Van Sebroeck <wim@xxxxxxxxx> wrote: > Hi Harald, > > > Unfortunately it simply doesn't work. When I originally implemented a > > via_wdt driver some years ago, I couldn't start the watchdog no matter > > how hard I tried. My inquiries into VIA at that point didn't provide > > any response either. In fact, I even feared that nobody might ever have > > used that watchdog hardware before ;) > > > > I can ask again, but I'm not sure if it will be any different at that > > time.. > > Could you please ask again? It could indeed be that they lock registers. > (It could be something similar to some of the superIO chipsets that can > enable/disable (lock/unlock) access to registers). > > The BIOS can at least start the hardware, so the hardware does work :-) > Hey, I just discovered that enabling Plug&Play in the BIOS is the key! It unlocks watchdog control registers and opens access to counters and all the stuff. Sometimes lateral thinking helps :-) So the driver will be able to normally support all features as documented in the datasheet. I plan an update tomorrow. Regards, -- Marc -- To unsubscribe from this list: send the line "unsubscribe linux-watchdog" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
