On Fri, Jun 22, 2012 at 11:28 AM, Stephen Warren <swarren@xxxxxxxxxxxxx> wrote: > On 06/22/2012 11:00 AM, Stephen Warren wrote: >> On 06/22/2012 05:00 AM, Thierry Reding wrote: >> ... >>> Stephen: can you try to find out whether the Tegra PCIe controller >>> indeed implements ECAM, or if this scheme is actually just a >>> proprietary variant? >> >> Sure. I have added this request to the bug I filed requesting more >> complete PCIe host documentation. > > I've received unofficial confirmation that we do indeed implement a > non-standard/non-ECAM mapping, and what's in our driver matches our HW. Interesting. A generic ECAM/MMCONFIG solution might still be worth thinking about. We could easily have a hook to encapsulate the address mapping function, while still sharing the resource management (request_region(), etc). Not any kind of requirement for the current patch series, of course, just possible future work. Bjorn -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html