--- zzzz-none-000/linux-3.10.107/drivers/pci/pcie/aer/aerdrv.c	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/drivers/pci/pcie/aer/aerdrv.c	2021-11-10 11:53:55.000000000 +0000
@@ -41,6 +41,8 @@
 MODULE_DESCRIPTION(DRIVER_DESC);
 MODULE_LICENSE("GPL");
 
+extern int ifx_pcie_rc_aer_irq_register(struct pci_dev *dev, void *context);
+
 static int aer_probe(struct pcie_device *dev);
 static void aer_remove(struct pcie_device *dev);
 static pci_ers_result_t aer_error_detected(struct pci_dev *dev,
@@ -291,6 +293,14 @@
 	}
 }
 
+struct pci_dev *aer_dev_to_pci_dev(void *context)
+{
+	struct pcie_device *dev = (struct pcie_device *)context;
+
+	return dev->port;
+}
+EXPORT_SYMBOL_GPL(aer_dev_to_pci_dev);
+
 /**
  * aer_probe - initialize resources
  * @dev: pointer to the pcie_dev data structure
@@ -317,6 +327,9 @@
 		return -ENOMEM;
 	}
 
+#ifdef CONFIG_IFX_PCIE
+	ifx_pcie_rc_aer_irq_register(dev->port, dev);
+#else
 	/* Request IRQ ISR */
 	status = request_irq(dev->irq, aer_irq, IRQF_SHARED, "aerdrv", dev);
 	if (status) {
@@ -324,6 +337,7 @@
 		aer_remove(dev);
 		return status;
 	}
+#endif /* CONFIG_IFX_PCIE */
 
 	rpc->isr = 1;