On Sunday 08 March 2015 22:01:17 Chris Packham wrote: > > > > > BTW, one thing that is high in my TODO list regarding DSA is to stop > > using this platform device/driver architecture and use the actual device > > driver model. Your switch driver entry point would be a pci_drive > > probe's function where you end-up registering a switch the DSA. This > > should solve portions of your problem although this is a long shot as we > > need to convert existing drivers as well. > > > > My current problem is that of_find_device_by_node() (called by > dsa_of_probe) can't find the device. After a bit of debugging I can see > that the populated platform bus only goes as far as > /soc/pcie-controller, anything beyond that seems to be missing. I can't > see anything obvious in of_platform_bus_create() that would actually > stop it from continuing down the pcie-controller branch provided the dts > actually enumerates the children. > > Any suggestions? The PCI devices are not populated by of_platform_bus_create. Instead, pci_scan_device() calls pci_set_of_node() to set the of_node pointer for each PCI device. This would fail for instance if the root bus does not have a correct of_node pointer. Arnd -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
