On Tue, 2009-10-27 at 16:52 -0600, Jonathan Haws wrote: > > Jonathan Haws wrote: > > > I had thought about using MTD, but decided against it because with > > > previous benchmarking that we did with MTD and our custom driver, > > we > > > found that our custom driver was about 10x faster. > > > > Ouch. Any idea where the slowdown is coming from? > > From what I remember (I would have to dig up notes to make sure) it is > something to do with MTD looking for a signal to go high that is processed a > bunch before MTD even sees it. Our flash produces a hardware ready signal > that we are triggering off of to move on. MTD took much longer to report to > us that the hardware was ready. > > Thanks >
It would be interesting to know in more detail what is was. If we have a 10x performance increase hiding from for us I would be very interested in knowing where it is. Are you using some custom command to the flash that the generic chip drivers in Linux is not yet supporting ? _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
