On Mon, 2009-09-21 at 17:53 -0700, Prodyut Hazarika wrote: > > In the newer revs of 460EX/GT and 405EX, we have Interrupt coalescing > both on Tx and Rx per channel (physical not virtual), which can be > enabled/disabled per channel via UIC. The Tx/Rx Coalesce mappings are > defined in the dts file. But in the older revs, there is only a global > EOP_Int_Enable in the MAL configuration register. There can be a > possible way even for older SoCs if we use the MAL descriptor I bit > and > not the global EOP_Int_Enable. But to turn on/off the channel, we will > have to go and set/clear the I bit in whole of MAL descriptor ring for > that channel. That might be really inefficient. > > What would you suggest?
I wouldn't bother with the old SoCs, we should keep the current workaround we have today for them. For the new ones, I'll have a look and see how we can get the driver upgraded to avoid the workaround. Don't bother with this for now. I'll dig at some stage. Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
