On Wed, Oct 12, 2011 at 11:08:20AM -0500, Kumar Gala wrote: > > On Oct 12, 2011, at 10:35 AM, Hans J. Koch wrote: > > > On Wed, Oct 12, 2011 at 09:43:36AM -0500, Kumar Gala wrote: > >> For some devices the default behavior of pgprot_noncached is not > >> the correct flags for the address space. > > > > For what devices? Can you give a real world usecase where this is needed? > > > > Thanks, > > Hans > > In the Freescale Networking devices we have a coherent memory interface to > our HW queuing system. In that case we want to change the pgprot() to be > cache-able instead of non-cached.
Could you please post the kernel part of that driver? Thanks, Hans _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
