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>
This commit is contained in:
Po Liu 2016-08-29 15:26:58 +08:00 committed by Bjorn Helgaas
parent e18934b5e9
commit 8e7ca8ca5f

View File

@ -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;
}