qed: Enable device error reporting capability.

The patch enables the device to send error messages to root port when
an error is detected.
Signed-off-by: Sudarsana Reddy Kalluru <skalluru@marvell.com>
Signed-off-by: Ariel Elior <aelior@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/qlogic/qed/qed_main.c

@@ -49,6 +49,7 @@
 #include <linux/qed/qed_if.h>
 #include <linux/qed/qed_ll2_if.h>
 #include <net/devlink.h>
+#include <linux/aer.h>
 
 #include "qed.h"
 #include "qed_sriov.h"
@@ -129,6 +130,8 @@ static void qed_free_pci(struct qed_dev *cdev)
 {
 	struct pci_dev *pdev = cdev->pdev;
 
+	pci_disable_pcie_error_reporting(pdev);
+
 	if (cdev->doorbells && cdev->db_size)
 		iounmap(cdev->doorbells);
 	if (cdev->regview)
@@ -231,6 +234,12 @@ static int qed_init_pci(struct qed_dev *cdev, struct pci_dev *pdev)
 		return -ENOMEM;
 	}
 
+	/* AER (Advanced Error reporting) configuration */
+	rc = pci_enable_pcie_error_reporting(pdev);
+	if (rc)
+		DP_VERBOSE(cdev, NETIF_MSG_DRV,
+			   "Failed to configure PCIe AER [%d]\n", rc);
+
 	return 0;
 
 err2: