On Sun, Aug 27, 2017 at 04:30:08AM +0200, Andreas Färber wrote: > Am 27.08.2017 um 04:05 schrieb Andrew Lunn: > > n Sun, Aug 27, 2017 at 02:33:27AM +0200, Andreas Färber wrote: > >> +struct rtd119x_rtc { > >> + void __iomem *base; > >> + struct clk *clk; > >> + struct rtc_device *rtcdev; > >> + unsigned base_year; > >> + spinlock_t lock; > > > > Where is this lock initialised? I would expect a call to > > spin_lock_init() somewhere. > > Hm, the spinlock in my irq mux series doesn't have that call either; my > reset driver did have it. The zero initialization appears to work OK, > but you're probably right that it should be there. Hi Andreas I suspect you will have problems if you enable spin lock debug code, like CONFIG_DEBUG_SPINLOCK. Andrew