hw/pci: removed irq field from PCIDevice

Instead of exposing the the irq field,
pci wrappers to qemu_set_irq or qemu_irq_*
can be used.
Signed-off-by: NMarcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>

hw/pci/pci.c

@@ -889,14 +889,12 @@ static PCIDevice *do_pci_register_device(PCIDevice *pci_dev, PCIBus *bus,
     pci_dev->config_read = config_read;
     pci_dev->config_write = config_write;
     bus->devices[devfn] = pci_dev;
-    pci_dev->irq = qemu_allocate_irqs(pci_irq_handler, pci_dev, PCI_NUM_PINS);
     pci_dev->version_id = 2; /* Current pci device vmstate version */
     return pci_dev;
 }
 
 static void do_pci_unregister_device(PCIDevice *pci_dev)
 {
-    qemu_free_irqs(pci_dev->irq);
     pci_dev->bus->devices[pci_dev->devfn] = NULL;
     pci_config_free(pci_dev);
 

include/hw/pci/pci.h

@@ -247,9 +247,6 @@ struct PCIDevice {
     PCIConfigReadFunc *config_read;
     PCIConfigWriteFunc *config_write;
 
-    /* IRQ objects for the INTA-INTD pins.  */
-    qemu_irq *irq;
-
     /* Legacy PCI VGA regions */
     MemoryRegion *vga_regions[QEMU_PCI_VGA_NUM_REGIONS];
     bool has_vga;