On Sat, Mar 7, 2009 at 3:51 PM, Benjamin Herrenschmidt < b...@kernel.crashing.org> wrote:
> On Fri, 2009-03-06 at 10:12 -0600, Ben Menchaca wrote: > > Testing now...it looks like it (almost) works, though! Why does > > setting no-snoop cause snooping to work? More on the effect on > > setting that bit in a few minutes...need more testing. > > Maybe they got the documentation for that bit backward ? :-) For posterity...it does appear that this is the case. I don't have a bus analyzer to watch the transaction, but a JTAG trigger caught the update happening if and only if bit 3 was set in the (R|W)DMA descriptor. My FAE at FS said he is watching this thread, so hopefully some doc errata can be generated so others can avoid my confusion :-). - Ben
_______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
