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

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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>
Acked-by: Ley Foon Tan <lftan@altera.com>
This commit is contained in:
Po Liu 2016-08-29 15:26:58 +08:00 committed by Bjorn Helgaas
parent 156c55325d
commit d99e30b793
1 changed files with 0 additions and 7 deletions
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7
drivers/pci/host/pcie-altera.c
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@ -171,13 +171,6 @@ static bool altera_pcie_valid_config(struct altera_pcie *pcie,
if (bus->number == pcie->root_bus_nr && dev > 0)
return false;
/*
* Do not read more than one device on the bus directly attached
* to root port, root port can only attach to one downstream port.
*/
if (bus->primary == pcie->root_bus_nr && dev > 0)
return false;
return true;
}