This replaces the call to pci_allocate_irq() and also allows the corresponding
qemu_free_irq() to be removed.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
---
 hw/char/serial-pci.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/hw/char/serial-pci.c b/hw/char/serial-pci.c
index 087da3059a..cd7e8b5b94 100644
--- a/hw/char/serial-pci.c
+++ b/hw/char/serial-pci.c
@@ -55,7 +55,7 @@ static void serial_pci_realize(PCIDevice *dev, Error **errp)
 
     pci->dev.config[PCI_CLASS_PROG] = pci->prog_if;
     pci->dev.config[PCI_INTERRUPT_PIN] = 0x01;
-    s->irq = pci_allocate_irq(&pci->dev);
+    s->irq = qdev_get_gpio_in_named(DEVICE(dev), "pci-input-irq", 0);
 
     memory_region_init_io(&s->io, OBJECT(pci), &serial_io_ops, s, "serial", 8);
     pci_register_bar(&pci->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io);
@@ -67,7 +67,6 @@ static void serial_pci_exit(PCIDevice *dev)
     SerialState *s = &pci->state;
 
     qdev_unrealize(DEVICE(s));
-    qemu_free_irq(s->irq);
 }
 
 static const VMStateDescription vmstate_pci_serial = {
-- 
2.30.2