On 08/14/2012 05:51 PM, Stephen Warren wrote: > On 08/14/2012 04:58 PM, Stephen Warren wrote: ... >> Can't we make the call to pci_bus_add_devices() optional in >> pci_scan_root_bus() somehow; one of: > > Sigh, that turns out not to work correctly; it solves at least this part > of the problem when booting using device tree, but when booting using a > board file, it causes the IRQ number passed to the PCIe device to be > bogus:-( > > I give up for now. I think the appropriate workaround for Tegra in 3.6 is to simply make any drivers for PCIe-based devices be modules instead of built-in, as Thierry hinted at much earlier in the thread. I've validated that the Ethernet works just fine on TrimSlice with that change, booting v3.6-rc1 using either board files or device tree. For 3.7, we should continue the discussion about a real fix; I'll look into the change Bjorn requested and see if it works, although given that hacking pci_scan_root_bus as described immediately previously in this thread caused a regression when booting using a board file, and the fact that board files are no longer supported on Tegra, I'm not too confident in the outcome... -- 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
