On Tue, May 19, 2009 at 1:05 PM, David Miller <da...@davemloft.net> wrote: > From: Arnd Bergmann <a...@arndb.de> > Date: Tue, 19 May 2009 18:12:02 +0200 > >> On Tuesday 19 May 2009, Grant Likely wrote: >>> 1) Probe the host controller in an of_platform driver. This has the >>> advantage of simplicity. The probe routine will get automatically >>> called when the PCI host controller device tree node is registered >>> with the of_platform bus. The bus parenthood also gets reflected in >>> the device model and sysfs. The disadvantage is that it defers PCI >>> bus probing until after the of_platform bus is probed (maybe this is >>> okay; maybe this already happens anyway). >> >> This is also what we do on 64-bit systems (well, Cell at this time). >> There are no fundamental problems with this, just some slightly >> unexpected interactions e.g. when you have use a PCI serial port >> as your console before probing PCI. > > This is also what sparc64 does :-) > > All of the individual sparc64 PCI controller types have a OF driver > and then there is a common layer of OF PCI helper code to do most > of the work.
Cool, well I have my solution then. :-) g. -- Grant Likely, B.Sc., P.Eng. Secret Lab Technologies Ltd. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
