[5/6] msi: Invoke msi/msix_write_config from PCI core

diff --git a/hw/ide/ich.c b/hw/ide/ich.c
index 3f7510f..a470c01 100644
--- a/hw/ide/ich.c
+++ b/hw/ide/ich.c
@@ -139,13 +139,6 @@  static int pci_ich9_uninit(PCIDevice *dev)
     return 0;
 }
 
-static void pci_ich9_write_config(PCIDevice *pci, uint32_t addr,
-                                  uint32_t val, int len)
-{
-    pci_default_write_config(pci, addr, val, len);
-    msi_write_config(pci, addr, val, len);
-}
-
 static PCIDeviceInfo ich_ahci_info[] = {
     {
         .qdev.name    = "ich9-ahci",
@@ -154,7 +147,6 @@  static PCIDeviceInfo ich_ahci_info[] = {
         .qdev.vmsd    = &vmstate_ahci,
         .init         = pci_ich9_ahci_init,
         .exit         = pci_ich9_uninit,
-        .config_write = pci_ich9_write_config,
         .vendor_id    = PCI_VENDOR_ID_INTEL,
         .device_id    = PCI_DEVICE_ID_INTEL_82801IR,
         .revision     = 0x02,
diff --git a/hw/intel-hda.c b/hw/intel-hda.c
index 10769e0..995d895 100644
--- a/hw/intel-hda.c
+++ b/hw/intel-hda.c
@@ -1158,17 +1158,6 @@  static int intel_hda_exit(PCIDevice *pci)
     return 0;
 }
 
-static void intel_hda_write_config(PCIDevice *pci, uint32_t addr,
-                                   uint32_t val, int len)
-{
-    IntelHDAState *d = DO_UPCAST(IntelHDAState, pci, pci);
-
-    pci_default_write_config(pci, addr, val, len);
-    if (d->msi) {
-        msi_write_config(pci, addr, val, len);
-    }
-}
-
 static int intel_hda_post_load(void *opaque, int version)
 {
     IntelHDAState* d = opaque;
@@ -1252,7 +1241,6 @@  static PCIDeviceInfo intel_hda_info = {
     .qdev.reset   = intel_hda_reset,
     .init         = intel_hda_init,
     .exit         = intel_hda_exit,
-    .config_write = intel_hda_write_config,
     .vendor_id    = PCI_VENDOR_ID_INTEL,
     .device_id    = 0x2668,
     .revision     = 1,
diff --git a/hw/ioh3420.c b/hw/ioh3420.c
index fc2fb3b..886ede8 100644
--- a/hw/ioh3420.c
+++ b/hw/ioh3420.c
@@ -71,7 +71,6 @@  static void ioh3420_write_config(PCIDevice *d,
         pci_get_long(d->config + d->exp.aer_cap + PCI_ERR_ROOT_COMMAND);
 
     pci_bridge_write_config(d, address, val, len);
-    msi_write_config(d, address, val, len);
     ioh3420_aer_vector_update(d);
     pcie_cap_slot_write_config(d, address, val, len);
     pcie_aer_write_config(d, address, val, len);
diff --git a/hw/msi.c b/hw/msi.c
index 137dba0..c4e8a6e 100644
--- a/hw/msi.c
+++ b/hw/msi.c
@@ -256,7 +256,7 @@  void msi_notify(PCIDevice *dev, unsigned int vector)
     stl_le_phys(address, data);
 }
 
-/* call this function after updating configs by pci_default_write_config(). */
+/* Normally called by pci_default_write_config(). */
 void msi_write_config(PCIDevice *dev, uint32_t addr, uint32_t val, int len)
 {
     uint16_t flags = pci_get_word(dev->config + msi_flags_off(dev));
diff --git a/hw/pci.c b/hw/pci.c
index 5d5829d..8c814cd 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -1056,6 +1056,9 @@  void pci_default_write_config(PCIDevice *d, uint32_t addr, uint32_t val, int l)
 
     if (range_covers_byte(addr, l, PCI_COMMAND))
         pci_update_irq_disabled(d, was_irq_disabled);
+
+    msi_write_config(d, addr, val, l);
+    msix_write_config(d, addr, val, l);
 }
 
 /***********************************************************/
diff --git a/hw/virtio-pci.c b/hw/virtio-pci.c
index 16a5b08..d21a7ee 100644
--- a/hw/virtio-pci.c
+++ b/hw/virtio-pci.c
@@ -492,8 +492,6 @@  static void virtio_write_config(PCIDevice *pci_dev, uint32_t address,
         virtio_set_status(proxy->vdev,
                           proxy->vdev->status & ~VIRTIO_CONFIG_S_DRIVER_OK);
     }
-
-    msix_write_config(pci_dev, address, val, len);
 }
 
 static unsigned virtio_pci_get_features(void *opaque)
diff --git a/hw/xio3130_downstream.c b/hw/xio3130_downstream.c
index 464eefa..8e9117d 100644
--- a/hw/xio3130_downstream.c
+++ b/hw/xio3130_downstream.c
@@ -41,7 +41,6 @@  static void xio3130_downstream_write_config(PCIDevice *d, uint32_t address,
     pci_bridge_write_config(d, address, val, len);
     pcie_cap_flr_write_config(d, address, val, len);
     pcie_cap_slot_write_config(d, address, val, len);
-    msi_write_config(d, address, val, len);
     pcie_aer_write_config(d, address, val, len);
 }
 
diff --git a/hw/xio3130_upstream.c b/hw/xio3130_upstream.c
index 0d8d254..707401e 100644
--- a/hw/xio3130_upstream.c
+++ b/hw/xio3130_upstream.c
@@ -40,7 +40,6 @@  static void xio3130_upstream_write_config(PCIDevice *d, uint32_t address,
 {
     pci_bridge_write_config(d, address, val, len);
     pcie_cap_flr_write_config(d, address, val, len);
-    msi_write_config(d, address, val, len);
     pcie_aer_write_config(d, address, val, len);
 }