On 04/06/2015 22:37, Felipe Balbi wrote: > On Thu, Jun 04, 2015 at 10:32:40PM +0200, Mason wrote: >> On 04/06/2015 22:08, Felipe Balbi wrote: >> >>> On Thu, Jun 04, 2015 at 11:46:59AM +0200, Mason wrote: >>>> Also, check /proc/timer_list for a "Broadcast device". If you don't >>>> define one, the TWD timers are set to periodic mode, with hrtimers >>>> disabled. >>> >>> Did you manage to turn global timer into Broadcast device ? >> >> Disclaimer: I am a kernel noob, take everything I say with >> a rock of salt. >> >> As far as I can see, the global timer code doesn't handle >> frequency changes, whereas the TWD code does. > > All right, but TWD has C3STOP and that prevents it from being used as > broadcast device. AFAICT, my platform doesn't stop the local timers in low-power mode, so I just dropped the CLOCK_EVT_FEAT_C3STOP flag. There's even a patch approved by Arnd somewhere in the thread, although he did recommend I should investigate to understand the problem better. Regards. -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
