netxen: mask correctable error

HW workaround:
Disable logging of correctable error for some NX3031 based adapter.

Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 26 insertions, 0 deletions

diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 83ee5544ace..6f111691aca 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -1249,6 +1249,28 @@ netxen_setup_netdev(struct netxen_adapter *adapter,
         return 0;
 }
 
+#ifdef CONFIG_PCIEAER
+static void netxen_mask_aer_correctable(struct netxen_adapter *adapter)
+{
+        struct pci_dev *pdev = adapter->pdev;
+        struct pci_dev *root = pdev->bus->self;
+        u32 aer_pos;
+
+        if (adapter->ahw.board_type != NETXEN_BRDTYPE_P3_4_GB_MM &&
+                adapter->ahw.board_type != NETXEN_BRDTYPE_P3_10G_TP)
+                return;
+
+        if (root->pcie_type != PCI_EXP_TYPE_ROOT_PORT)
+                return;
+
+        aer_pos = pci_find_ext_capability(root, PCI_EXT_CAP_ID_ERR);
+        if (!aer_pos)
+                return;
+
+        pci_write_config_dword(root, aer_pos + PCI_ERR_COR_MASK, 0xffff);
+}
+#endif
+
 static int __devinit
 netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
@@ -1317,6 +1339,10 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                 goto err_out_iounmap;
         }
 
+#ifdef CONFIG_PCIEAER
+        netxen_mask_aer_correctable(adapter);
+#endif
+
         /* Mezz cards have PCI function 0,2,3 enabled */
         switch (adapter->ahw.board_type) {
         case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ: