}
 
        /* Get the interrupt resource */
-       ret = request_irq(irq, vmbus_isr,
-                         IRQF_SHARED | IRQF_SAMPLE_RANDOM,
-                         driver_name, hv_pci_dev);
+       ret = request_irq(irq, vmbus_isr, IRQF_SAMPLE_RANDOM,
+                       driver_name, hv_pci_dev);
 
        if (ret != 0) {
                pr_err("Unable to request IRQ %d\n",
        if (pci_probe_error)
                goto probe_cleanup;
 
-       /*
-        * If the PCI sub-sytem did not assign us an
-        * irq, use the bios provided one.
-        */
-
-       if (pdev->irq == 0)
-               pdev->irq = irq;
-
-       pci_probe_error = vmbus_bus_init(pdev->irq);
+       pci_probe_error = vmbus_bus_init(irq);
 
        if (pci_probe_error)
                pci_disable_device(pdev);