On Sat, Feb 11, 2012 at 6:26 PM, Russell King - ARM Linux <linux@xxxxxxxxxxxxxxxx> wrote: > Have you actually checked the tick rate of your timer in /proc/interrupts? > Have you checked /proc/timer_list to see what mode the system is in? After checking, the system works at periodic mode, but I still don't know why it can't be in one shot mode. Seems a single clock_event_device can't work well at system with more than one CPU, so the patch doesn't make sense, please ignore it. thanks, -- Ming Lei -- 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