Commit 8e7ca8ca authored Aug 29, 2016 by Po Liu Committed by Bjorn Helgaas Sep 12, 2016

PCI: xilinx: Relax device number checking to allow SR-IOV



Previously we only allowed device 0 to be directly attached to the root
port.  But SR-IOV devices may use non-zero device numbers for VFs.

Remove the restriction that only device 0 may be attached to a root port.

[bhelgaas: changelog]
Signed-off-by: Po Liu <po.liu@nxp.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

parent e18934b5

drivers/pci/host/pcie-xilinx.c

+0 −7

Original line number	Diff line number	Diff line
		@@ -168,13 +168,6 @@ static bool xilinx_pcie_valid_device(struct pci_bus *bus, unsigned int devfn)
		if (bus->number == port->root_busno && devfn > 0)
		return false;

		/*
		* Do not read more than one device on the bus directly attached
		* to RC.
		*/
		if (bus->primary == port->root_busno && devfn > 0)
		return false;

		return true;
		}