On 05/17/16 14:02, Geert Uytterhoeven wrote: > On Tue, May 17, 2016 at 12:55 PM, Geert Uytterhoeven > <geert@xxxxxxxxxxxxxx> wrote: >> With today's sound-asoc/for-next, I'm seeing on r8a7791/koelsch and >> sh73a0/kzm9g: >> >> kernel BUG at drivers/base/regmap/regcache.c:347! >> Internal error: Oops - BUG: 0 [#1] SMP ARM >> Modules linked in: >> CPU: 0 PID: 20 Comm: kworker/0:1 Not tainted >> 4.6.0-koelsch-07135-g1481dd77fa7d01cb #2621 >> Hardware name: Generic R8A7791 (Flattened Device Tree) >> Workqueue: events soc_resume_deferred >> task: ef512100 ti: ef5a6000 task.ti: ef5a6000 >> PC is at regcache_sync+0xc/0x118 >> LR is at ak4642_resume+0x20/0x28 > > This is during resume from s2ram. if you revert the patch does the ak4642_resume() is called at all, I think not. But in the driver does not implement the .suspend callback, probably this never worked correctly in ak4642? -- Péter
