On Thu, Sep 26, 2019 at 09:45:00AM -0700, Jeff Kirsher wrote: > From: Tony Nguyen <anthony.l.nguyen@xxxxxxxxx> > > The RDMA block does not advertise on the PCI bus or any other bus. Huh? How do you "know" where it is then? Isn't is usually assigned to a PCI device? > Thus the ice driver needs to provide access to the RDMA hardware block > via a virtual bus; utilize a multi-function device to provide this access. > > This patch initializes the driver to support RDMA as well as creates > and registers a multi-function device for the RDMA driver to register to. > At this point the driver is fully initialized to register a platform > driver, however, can not yet register as the ops have not been > implemented. > > We refer to the interaction of this platform device as Inter-Driver > Communication (IDC); where the platform device is referred to as the peer > device and the platform driver is referred to as the peer driver. Again, no platform devices, unless it REALLY IS a platform device (i.e. you are using device tree or platform data to find it.) Is that what you are doing here? confused, greg k-h
