From: Jacob Keller <jacob.e.kel...@intel.com>

This function previously had the same check as used by the
ixgbe_pcie_from_parent. As the hardcode is due to the device having an internal
switch, this function should simply use the call from ixgbe_pcie_from_parent.
This reduces code complexity and makes it less likely a developer will forget
to update the list in the future.

Signed-off-by: Jacob Keller <jacob.e.kel...@intel.com>
Tested-by: Phil Schmitt <phillip.j.schm...@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirs...@intel.com>

(cherry picked from commit f1f965793b2bb8a75067e94acbe886a61637cab8)
Signed-off-by: Andrey Ryabinin <aryabi...@virtuozzo.com>
---
 drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c 
b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 14f05b8..9fe8787 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -7525,19 +7525,16 @@ static const struct net_device_ops ixgbe_netdev_ops = {
  **/
 static inline int ixgbe_enumerate_functions(struct ixgbe_adapter *adapter)
 {
-       struct ixgbe_hw *hw = &adapter->hw;
        struct list_head *entry;
        int physfns = 0;
 
-       /* Some cards can not use the generic count PCIe functions method, and
-        * so must be hardcoded to the correct value.
+       /* Some cards can not use the generic count PCIe functions method,
+        * because they are behind a parent switch, so we hardcode these with
+        * the correct number of functions.
         */
-       switch (hw->device_id) {
-       case IXGBE_DEV_ID_82599_SFP_SF_QP:
-       case IXGBE_DEV_ID_82599_QSFP_SF_QP:
+       if (ixgbe_pcie_from_parent(&adapter->hw)) {
                physfns = 4;
-               break;
-       default:
+       } else {
                list_for_each(entry, &adapter->pdev->bus_list) {
                        struct pci_dev *pdev =
                                list_entry(entry, struct pci_dev, bus_list);
-- 
2.4.10

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