On Sep 11, 2007, at 12:48 PM, Scott Wood wrote: > Olof Johansson wrote: >> On Tue, Sep 11, 2007 at 12:21:30PM -0500, Scott Wood wrote: >>> Olof Johansson wrote: >>>> On Tue, Sep 11, 2007 at 11:00:28AM -0500, Kumar Gala wrote: >>>>> well the ifdefs are orthogonal. We don't have a way of knowing >>>>> primary from the device tree today. >>>> How about something like "fsl,primary-phb" in the bus device >>>> node? I don't >>>> know, maybe it's already been discussed and turned down for some >>>> reason. >>> It's more of a Linux issue than anything to do with the hardware. >> >> That doesn't stop firmware from telling linux which bus is the >> primary >> one on the system to help out. > > The entire notion of a "primary" PCI bus is due to a Linux flaw. > > If we did put it in the device tree, it should be something like > "linux,primary-phb". But since Linux can tell from the node's > children, > there doesn't seem to be much point.
Once someone rights code to do this I'm happy to change over. I took this model of explicitly knowing the primary PHB from the pmac code. - k _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
