On Thu, Apr 08, 2010 at 10:06:53AM -0300, Mauro Carvalho Chehab wrote: > Jon Smirl wrote: > > On Thu, Apr 8, 2010 at 1:10 AM, Mauro Carvalho Chehab > > <mchehab@xxxxxxxxxxxxx> wrote: > >> On the previous code, it is drivers responsibility to call the > >> function that > >> de-queue. On saa7134, I've scheduled it to wake after 15 ms. So, instead of > >> 32 wakeups, just one is done, and the additional delay introduced by it is not > >> enough to disturb the user. > > > > The wakeup is variable when the default thread is used. My quad core > > desktop wakes up on every pulse. My embedded system wakes up about > > every 15 pulses. The embedded system called schedule_work() fifteen > > times from the IRQ, but the kernel collapsed them into a single > > wakeup. I'd stick with the default thread and let the kernel get > > around to processing IR whenever it has some time. > > Makes sense. Given Jon's experience, it would perhaps make sense to remove ir_raw_event_handle() and call schedule_work() from every call to ir_raw_event_store()? One thing less for IR drivers to care about... -- David Härdeman -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
