> If you mean the USB target device itself, can't you walk the > tree until you find a device that is no longer on bus_type > usb to determine your root?
I don't feel like walking the tree on each pci_dma access > You could stuff that into platform_data on PCI devices on your platforms. I want automatic inheritance to child devices, shouldb't be _that_ difficult to do ;) > I think we're not quite there yet, but once you have the device > struct, in theory, you can walk up the tree to grab the platform_data > for say the device's parent and do any tweaks based on platform-specific > bus parameters. With PCI, you could even stuff this into pci_bus->sysdata. > > I think having a function pointer table for things like dma mapping > and ioremap on all devices would be a very good thing, but not sure > if the powers that be would allow that in 2.6. > > ~Deepak -- Benjamin Herrenschmidt <[EMAIL PROTECTED]> ------------------------------------------------------- SF.Net is sponsored by: Speed Start Your Linux Apps Now. Build and deploy apps & Web services for Linux with a free DVD software kit from IBM. Click Now! http://ads.osdn.com/?ad_id=1356&alloc_id=3438&op=click _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
