On Thu, 2009-02-12 at 13:22 +0200, Risto Suominen wrote: > Here is a patch that helped me to get my de2104x NIC working on my > PowerMac 5500. As an interesting side effect, it also made my mesh > module crash. > > Background can be found here: > http://www.spinics.net/lists/netdev/msg88488.html
I'll catch up with the discussion in netdev, I think the workaround should be in the driver... Or if not, we can do special dma-ops just for that device. Just to make sure I didn't miss something, please send me a tarball of /proc/device-tree of your machine. Cheers, Ben. > Risto > > Allow setting NOT_COHERENT_CACHE explicitly. > > Signed-off-by: Risto Suominen <risto.suomi...@gmail.com> > --- > The testing is done on kernel version 2.6.24. > > --- a/arch/powerpc/platforms/powermac/Kconfig.org 2008-01-25 > 00:58:37.000000000 +0200 > +++ b/arch/powerpc/platforms/powermac/Kconfig 2009-02-10 > 17:44:24.000000000 +0200 > @@ -18,4 +18,10 @@ config PPC_PMAC64 > select PPC_970_NAP > default y > > - > +config NOT_COHERENT_CACHE > + bool "Incoherent cache" > + default n > + help > + Setting this option may be necessary for avoiding cache-related > + problems with some network cards on some platforms. An example is > + 2104x and PowerMac 5500. > _______________________________________________ > Linuxppc-dev mailing list > Linuxppc-dev@ozlabs.org > https://ozlabs.org/mailman/listinfo/linuxppc-dev _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
