pci: call hotplug callback even when not hotplug case for later use.

call hotplug callback even when not hotplug case for later use.
And move hotplug check into hotplug callback.
PCIE slot needs this for card presence detection.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

diff --git a/hw/acpi_piix4.c b/hw/acpi_piix4.c
index bfa1d9a..24dfcf2 100644 (file)
--- a/hw/acpi_piix4.c
+++ b/hw/acpi_piix4.c
@@ -611,6 +611,9 @@ static int piix4_device_hotplug(DeviceState *qdev, PCIDevice *dev, int state)
     PIIX4PMState *s = DO_UPCAST(PIIX4PMState, dev,
                                 DO_UPCAST(PCIDevice, qdev, qdev));
 
+    if (!dev->qdev.hotplugged)
+        return 0;
+
     s->pci0_status.up = 0;
     s->pci0_status.down = 0;
     if (state) {

diff --git a/hw/pci.c b/hw/pci.c
index 754ffb3..bb9ddea 100644 (file)
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -1514,7 +1514,8 @@ static int pci_qdev_init(DeviceState *qdev, DeviceInfo *base)
         pci_dev->romfile = qemu_strdup(info->romfile);
     pci_add_option_rom(pci_dev);
 
-    if (qdev->hotplugged) {
+    if (bus->hotplug) {
+        /* lower layer must check qdev->hotplugged */
         rc = bus->hotplug(bus->hotplug_qdev, pci_dev, 1);
         if (rc != 0) {
             int r = pci_unregister_device(&pci_dev->qdev);