On Thu, 2021-01-07 at 20:15 +0200, Matti Vaittinen wrote: > Thanks a lot for taking a careful look at this Guenter! > > On Thu, 2021-01-07 at 07:12 -0800, Guenter Roeck wrote: > > On Thu, Jan 07, 2021 at 08:37:03AM +0200, Matti Vaittinen wrote: > > > If config for BD70528 watchdog is enabled when BD71828 or BD71815 > > > are used the RTC module will issue call to BD70528 watchdog with > > > NULL data. Ignore this call and don't crash. > > > > > > Signed-off-by: Matti Vaittinen <matti.vaittinen@xxxxxxxxxxxxxxxxx > > > > > > > > I really think this should be handled in the calling code. > > Also, I am curious how this is supposed to work. > > > > The code is called with > > > > ret = bd70528_wdt_set(r->parent, new_state & > > BD70528_WDT_STATE_BIT, > > old_state); > > My brainfart. > The bd70528_wdt_set is not called as it is protected in RTC by > has_rtc_timers flag. > > I inserted this check in wrong function. The bd70528_wdt_lock() > is where we may hit the problem as it is not protected. Actually, after a fresh look - it seems the bd70528_wdt_lock() is also just fine. The RTC is not grabbing the lock on other PMICs but the BD70528. I'm not really sure what I have been thinking of. @_@ I should've been more careful. Thanks for spotting this in the review! Best Regards Matti