hw/ide/pci: Expose legacy interrupts as named GPIOs

Exposing the legacy IDE interrupts as GPIOs allows them to be connected in the
parent device through qdev_connect_gpio_out(), i.e. without accessing private
data of TYPE_PCI_IDE.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20230531211043.41724-2-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>

hw/ide/pci.c

@@ -522,10 +522,19 @@ void bmdma_init(IDEBus *bus, BMDMAState *bm, PCIIDEState *d)
     bm->pci_dev = d;
 }
 
+static void pci_ide_init(Object *obj)
+{
+    PCIIDEState *d = PCI_IDE(obj);
+
+    qdev_init_gpio_out_named(DEVICE(d), d->isa_irq, "isa-irq",
+                             ARRAY_SIZE(d->isa_irq));
+}
+
 static const TypeInfo pci_ide_type_info = {
     .name = TYPE_PCI_IDE,
     .parent = TYPE_PCI_DEVICE,
     .instance_size = sizeof(PCIIDEState),
+    .instance_init = pci_ide_init,
     .abstract = true,
     .interfaces = (InterfaceInfo[]) {
         { INTERFACE_CONVENTIONAL_PCI_DEVICE },