HI Vadim, On Thu, May 2, 2013 at 11:12 PM, Vadim Bendebury <vben...@chromium.org> wrote: > [the original patch removed, re-sending from a registered address] > > So, I spent some more time debugging a system which requires this > patch: a system, where on a SPI interface a response to a command > could come way later then the command data transmission completes. > > The original patch was trying to address many corner cases, but come > to think of it, in this situation the slave does not care about extra > data sent on the transmit interface, as otherwise there is no clock > and no data could be transferred from the slave. > > Then, for this SPI interface we do not need to set the counter of > clocks, and do not need to keep adding more clocks if the data has not > been received yet, the clocks could be just free running. And then the > patch becomes much simpler, what do you think:
Does this deal with the performance problems that the old driver code had? There were a number of other patches sent upstream by Rajeshwari also. I wonder if it might be easier to do your improvement as a separate patch on top of those instead. Then it can be considered on its merits. Regards, Simon _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
