On Tue, Jan 30, 2007 at 10:06:49AM +0000, Christoph Hellwig wrote: > On Mon, Jan 29, 2007 at 07:41:16PM -0600, Olof Johansson wrote: > > Maybe a bit of introduction could be useful (also regarding the > > pci_map/alloc comments below). > > > > Our devices are on-chip, and while they're not on a PCI(e) bus internally, > > they do have config headers and will show up as devices on a pseudo-bus > > (the root one, in fact). > > > > Also, while the driver could go through the IOMMU layers, there's no > > real use in doing so at this time. > > sorry, but bypassing this is not what what we want in drivers at all. > In case you have an iommu and don't want it on the root bus chose > the noop dma implementation for this bus, which is easily possible on > powerpc.
Good point, I'll do that instead. -Olof - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
