On Tue, Aug 4, 2015 at 11:09 AM, Tony Lindgren <tony@xxxxxxxxxxx> wrote: > * Ran Shalit <ranshalit@xxxxxxxxx> [150803 07:03]: >> >> I am using GPMC with smsc911x controller. >> If I understand you correctly, I can overcome this, but asking the >> hardware not get into inactive state. > > Correct. Probably the automatic way to block deeper idle states > here with GPMC would be to implement DMA transfers for smsc911x. > Then the hardware would not enter deeper idle states when a DMA > transfer is in progress. Of course there may be still other tuning > needed too. > Hi Tony, but why does it happen in small packet test and not in big packets ? as to your suggestion above, Can you please give a hint as to how to add DMA usage into ethernet ? Regards, Ran -- 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
