On Mon, Jun 29, 2020 at 09:33:17PM +0100, Mark Brown wrote: > On Wed, May 27, 2020 at 09:17:33AM +0200, Greg KH wrote: > > > Ok, that's good to hear. But platform devices should never be showing > > up as a child of a PCI device. In the "near future" when we get the > > virtual bus code merged, we can convert any existing users like this to > > the new code. > > What are we supposed to do with things like PCI attached FPGAs and ASICs > in that case? They can have host visible devices with physical > resources like MMIO ranges and interrupts without those being split up > neatly as PCI subfunctions - the original use case for MFD was such > ASICs, there's a few PCI drivers in there now. Greg has been pretty clear that MFD shouldn't have been used on top of PCI drivers. In a sense virtual bus is pretty much MFD v2. Jason
