qom: Have class_init() take a const data argument

Mechanical change using gsed, then style manually adapted
to pass checkpatch.pl script.

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250424194905.82506-4-philmd@linaro.org>

37 files changed, 54 insertions, 54 deletions

diff --git a/hw/usb/bus.c b/hw/usb/bus.c
index f45b82c776..d8446cf50e 100644
--- a/hw/usb/bus.c
+++ b/hw/usb/bus.c
@@ -26,7 +26,7 @@ static const Property usb_props[] = {
     DEFINE_PROP_STRING("pcap", USBDevice, pcap_filename),
 };
 
-static void usb_bus_class_init(ObjectClass *klass, void *data)
+static void usb_bus_class_init(ObjectClass *klass, const void *data)
 {
     BusClass *k = BUS_CLASS(klass);
     HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass);
@@ -713,7 +713,7 @@ static void usb_device_instance_init(Object *obj)
     }
 }
 
-static void usb_device_class_init(ObjectClass *klass, void *data)
+static void usb_device_class_init(ObjectClass *klass, const void *data)
 {
     DeviceClass *k = DEVICE_CLASS(klass);
     k->bus_type = TYPE_USB_BUS;
diff --git a/hw/usb/canokey.c b/hw/usb/canokey.c
index e2d66179e0..cbefbb5daf 100644
--- a/hw/usb/canokey.c
+++ b/hw/usb/canokey.c
@@ -300,7 +300,7 @@ static const Property canokey_properties[] = {
     DEFINE_PROP_STRING("file", CanoKeyState, file),
 };
 
-static void canokey_class_init(ObjectClass *klass, void *data)
+static void canokey_class_init(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
diff --git a/hw/usb/ccid-card-emulated.c b/hw/usb/ccid-card-emulated.c
index b1e330f21d..c21cefd82d 100644
--- a/hw/usb/ccid-card-emulated.c
+++ b/hw/usb/ccid-card-emulated.c
@@ -591,7 +591,7 @@ static const Property emulated_card_properties[] = {
     DEFINE_PROP_UINT8("debug", EmulatedState, debug, 0),
 };
 
-static void emulated_class_initfn(ObjectClass *klass, void *data)
+static void emulated_class_initfn(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     CCIDCardClass *cc = CCID_CARD_CLASS(klass);
diff --git a/hw/usb/ccid-card-passthru.c b/hw/usb/ccid-card-passthru.c
index bf81485f87..1eea21a733 100644
--- a/hw/usb/ccid-card-passthru.c
+++ b/hw/usb/ccid-card-passthru.c
@@ -393,7 +393,7 @@ static const Property passthru_card_properties[] = {
     DEFINE_PROP_UINT8("debug", PassthruState, debug, 0),
 };
 
-static void passthru_class_initfn(ObjectClass *klass, void *data)
+static void passthru_class_initfn(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     CCIDCardClass *cc = CCID_CARD_CLASS(klass);
diff --git a/hw/usb/chipidea.c b/hw/usb/chipidea.c
index b1c85404d6..250c2b3bca 100644
--- a/hw/usb/chipidea.c
+++ b/hw/usb/chipidea.c
@@ -144,7 +144,7 @@ static void chipidea_init(Object *obj)
     }
 }
 
-static void chipidea_class_init(ObjectClass *klass, void *data)
+static void chipidea_class_init(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(klass);
diff --git a/hw/usb/dev-audio.c b/hw/usb/dev-audio.c
index 40f031252a..26af709f31 100644
--- a/hw/usb/dev-audio.c
+++ b/hw/usb/dev-audio.c
@@ -997,7 +997,7 @@ static const Property usb_audio_properties[] = {
     DEFINE_PROP_BOOL("multi", USBAudioState, multi, false),
 };
 
-static void usb_audio_class_init(ObjectClass *klass, void *data)
+static void usb_audio_class_init(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     USBDeviceClass *k = USB_DEVICE_CLASS(klass);
diff --git a/hw/usb/dev-hid.c b/hw/usb/dev-hid.c
index accdd460e3..54d064e54e 100644
--- a/hw/usb/dev-hid.c
+++ b/hw/usb/dev-hid.c
@@ -774,7 +774,7 @@ static const VMStateDescription vmstate_usb_kbd = {
     }
 };
 
-static void usb_hid_class_initfn(ObjectClass *klass, void *data)
+static void usb_hid_class_initfn(ObjectClass *klass, const void *data)
 {
     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
 
@@ -799,7 +799,7 @@ static const Property usb_tablet_properties[] = {
         DEFINE_PROP_UINT32("head", USBHIDState, head, 0),
 };
 
-static void usb_tablet_class_initfn(ObjectClass *klass, void *data)
+static void usb_tablet_class_initfn(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
@@ -821,7 +821,7 @@ static const Property usb_mouse_properties[] = {
         DEFINE_PROP_UINT32("usb_version", USBHIDState, usb_version, 2),
 };
 
-static void usb_mouse_class_initfn(ObjectClass *klass, void *data)
+static void usb_mouse_class_initfn(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
@@ -844,7 +844,7 @@ static const Property usb_keyboard_properties[] = {
         DEFINE_PROP_STRING("display", USBHIDState, display),
 };
 
-static void usb_keyboard_class_initfn(ObjectClass *klass, void *data)
+static void usb_keyboard_class_initfn(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
diff --git a/hw/usb/dev-hub.c b/hw/usb/dev-hub.c
index 3880e2aca8..a19350d9c4 100644
--- a/hw/usb/dev-hub.c
+++ b/hw/usb/dev-hub.c
@@ -670,7 +670,7 @@ static const Property usb_hub_properties[] = {
     DEFINE_PROP_BOOL("port-power", USBHubState, port_power, false),
 };
 
-static void usb_hub_class_initfn(ObjectClass *klass, void *data)
+static void usb_hub_class_initfn(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
diff --git a/hw/usb/dev-mtp.c b/hw/usb/dev-mtp.c
index 4cd14c3df4..ce45c9cd06 100644
--- a/hw/usb/dev-mtp.c
+++ b/hw/usb/dev-mtp.c
@@ -2082,7 +2082,7 @@ static const Property mtp_properties[] = {
     DEFINE_PROP_BOOL("readonly", MTPState, readonly, true),
 };
 
-static void usb_mtp_class_initfn(ObjectClass *klass, void *data)
+static void usb_mtp_class_initfn(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
diff --git a/hw/usb/dev-network.c b/hw/usb/dev-network.c
index a87a0ffb95..81cc09dcac 100644
--- a/hw/usb/dev-network.c
+++ b/hw/usb/dev-network.c
@@ -1411,7 +1411,7 @@ static const Property net_properties[] = {
     DEFINE_NIC_PROPERTIES(USBNetState, conf),
 };
 
-static void usb_net_class_initfn(ObjectClass *klass, void *data)
+static void usb_net_class_initfn(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
diff --git a/hw/usb/dev-serial.c b/hw/usb/dev-serial.c
index 31f6cf5b31..1c116d8b0f 100644
--- a/hw/usb/dev-serial.c
+++ b/hw/usb/dev-serial.c
@@ -637,7 +637,7 @@ static const Property serial_properties[] = {
     DEFINE_PROP_BOOL("always-plugged", USBSerialState, always_plugged, false),
 };
 
-static void usb_serial_dev_class_init(ObjectClass *klass, void *data)
+static void usb_serial_dev_class_init(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
@@ -658,7 +658,7 @@ static const TypeInfo usb_serial_dev_type_info = {
     .class_init = usb_serial_dev_class_init,
 };
 
-static void usb_serial_class_initfn(ObjectClass *klass, void *data)
+static void usb_serial_class_initfn(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
@@ -678,7 +678,7 @@ static const Property braille_properties[] = {
     DEFINE_PROP_CHR("chardev", USBSerialState, cs),
 };
 
-static void usb_braille_class_initfn(ObjectClass *klass, void *data)
+static void usb_braille_class_initfn(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
diff --git a/hw/usb/dev-smartcard-reader.c b/hw/usb/dev-smartcard-reader.c
index 84ca8c48e2..87018a3f01 100644
--- a/hw/usb/dev-smartcard-reader.c
+++ b/hw/usb/dev-smartcard-reader.c
@@ -1433,7 +1433,7 @@ static const Property ccid_properties[] = {
     DEFINE_PROP_UINT8("debug", USBCCIDState, debug, 0),
 };
 
-static void ccid_class_initfn(ObjectClass *klass, void *data)
+static void ccid_class_initfn(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
@@ -1464,7 +1464,7 @@ static const TypeInfo ccid_info = {
     }
 };
 
-static void ccid_card_class_init(ObjectClass *klass, void *data)
+static void ccid_card_class_init(ObjectClass *klass, const void *data)
 {
     DeviceClass *k = DEVICE_CLASS(klass);
     k->bus_type = TYPE_CCID_BUS;
diff --git a/hw/usb/dev-storage-bot.c b/hw/usb/dev-storage-bot.c
index 1e5c5c711f..df6ab7f656 100644
--- a/hw/usb/dev-storage-bot.c
+++ b/hw/usb/dev-storage-bot.c
@@ -40,7 +40,7 @@ static void usb_msd_bot_realize(USBDevice *dev, Error **errp)
     usb_msd_handle_reset(dev);
 }
 
-static void usb_msd_class_bot_initfn(ObjectClass *klass, void *data)
+static void usb_msd_class_bot_initfn(ObjectClass *klass, const void *data)
 {
     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
 
diff --git a/hw/usb/dev-storage-classic.c b/hw/usb/dev-storage-classic.c
index 56ef39da2e..dabe156359 100644
--- a/hw/usb/dev-storage-classic.c
+++ b/hw/usb/dev-storage-classic.c
@@ -74,7 +74,7 @@ static const Property msd_properties[] = {
     DEFINE_PROP_BOOL("commandlog", MSDState, commandlog, false),
 };
 
-static void usb_msd_class_storage_initfn(ObjectClass *klass, void *data)
+static void usb_msd_class_storage_initfn(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
diff --git a/hw/usb/dev-storage.c b/hw/usb/dev-storage.c
index 4f1e8b7f6c..b13fe345c4 100644
--- a/hw/usb/dev-storage.c
+++ b/hw/usb/dev-storage.c
@@ -585,7 +585,7 @@ static const VMStateDescription vmstate_usb_msd = {
     }
 };
 
-static void usb_msd_class_initfn_common(ObjectClass *klass, void *data)
+static void usb_msd_class_initfn_common(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
diff --git a/hw/usb/dev-uas.c b/hw/usb/dev-uas.c
index b1d6b6ecc3..21cc2835c6 100644
--- a/hw/usb/dev-uas.c
+++ b/hw/usb/dev-uas.c
@@ -956,7 +956,7 @@ static const Property uas_properties[] = {
     DEFINE_PROP_UINT32("log-scsi-req", UASDevice, requestlog, 0),
 };
 
-static void usb_uas_class_initfn(ObjectClass *klass, void *data)
+static void usb_uas_class_initfn(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
diff --git a/hw/usb/dev-wacom.c b/hw/usb/dev-wacom.c
index 7177c17f03..f4b71a2147 100644
--- a/hw/usb/dev-wacom.c
+++ b/hw/usb/dev-wacom.c
@@ -420,7 +420,7 @@ static const VMStateDescription vmstate_usb_wacom = {
     .unmigratable = 1,
 };
 
-static void usb_wacom_class_init(ObjectClass *klass, void *data)
+static void usb_wacom_class_init(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
diff --git a/hw/usb/hcd-dwc2.c b/hw/usb/hcd-dwc2.c
index e8152719f8..83864505bb 100644
--- a/hw/usb/hcd-dwc2.c
+++ b/hw/usb/hcd-dwc2.c
@@ -1452,7 +1452,7 @@ static const Property dwc2_usb_properties[] = {
     DEFINE_PROP_UINT32("usb_version", DWC2State, usb_version, 2),
 };
 
-static void dwc2_class_init(ObjectClass *klass, void *data)
+static void dwc2_class_init(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     DWC2Class *c = DWC2_USB_CLASS(klass);
diff --git a/hw/usb/hcd-dwc3.c b/hw/usb/hcd-dwc3.c
index 0bceee2712..98a342b8b8 100644
--- a/hw/usb/hcd-dwc3.c
+++ b/hw/usb/hcd-dwc3.c
@@ -666,7 +666,7 @@ static const Property usb_dwc3_properties[] = {
                        0x12345678),
 };
 
-static void usb_dwc3_class_init(ObjectClass *klass, void *data)
+static void usb_dwc3_class_init(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
 
diff --git a/hw/usb/hcd-ehci-pci.c b/hw/usb/hcd-ehci-pci.c
index e00316721a..73122aa797 100644
--- a/hw/usb/hcd-ehci-pci.c
+++ b/hw/usb/hcd-ehci-pci.c
@@ -150,7 +150,7 @@ static const VMStateDescription vmstate_ehci_pci = {
     }
 };
 
-static void ehci_class_init(ObjectClass *klass, void *data)
+static void ehci_class_init(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
@@ -178,7 +178,7 @@ static const TypeInfo ehci_pci_type_info = {
     },
 };
 
-static void ehci_data_class_init(ObjectClass *klass, void *data)
+static void ehci_data_class_init(ObjectClass *klass, const void *data)
 {
     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
     DeviceClass *dc = DEVICE_CLASS(klass);
diff --git a/hw/usb/hcd-ehci-sysbus.c b/hw/usb/hcd-ehci-sysbus.c
index 768c3dd797..0449f5fa6d 100644
--- a/hw/usb/hcd-ehci-sysbus.c
+++ b/hw/usb/hcd-ehci-sysbus.c
@@ -80,7 +80,7 @@ static void ehci_sysbus_finalize(Object *obj)
     usb_ehci_finalize(s);
 }
 
-static void ehci_sysbus_class_init(ObjectClass *klass, void *data)
+static void ehci_sysbus_class_init(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(klass);
@@ -95,7 +95,7 @@ static void ehci_sysbus_class_init(ObjectClass *klass, void *data)
     set_bit(DEVICE_CATEGORY_USB, dc->categories);
 }
 
-static void ehci_platform_class_init(ObjectClass *oc, void *data)
+static void ehci_platform_class_init(ObjectClass *oc, const void *data)
 {
     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
     DeviceClass *dc = DEVICE_CLASS(oc);
@@ -105,7 +105,7 @@ static void ehci_platform_class_init(ObjectClass *oc, void *data)
     set_bit(DEVICE_CATEGORY_USB, dc->categories);
 }
 
-static void ehci_exynos4210_class_init(ObjectClass *oc, void *data)
+static void ehci_exynos4210_class_init(ObjectClass *oc, const void *data)
 {
     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
     DeviceClass *dc = DEVICE_CLASS(oc);
@@ -115,7 +115,7 @@ static void ehci_exynos4210_class_init(ObjectClass *oc, void *data)
     set_bit(DEVICE_CATEGORY_USB, dc->categories);
 }
 
-static void ehci_aw_h3_class_init(ObjectClass *oc, void *data)
+static void ehci_aw_h3_class_init(ObjectClass *oc, const void *data)
 {
     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
     DeviceClass *dc = DEVICE_CLASS(oc);
@@ -125,7 +125,7 @@ static void ehci_aw_h3_class_init(ObjectClass *oc, void *data)
     set_bit(DEVICE_CATEGORY_USB, dc->categories);
 }
 
-static void ehci_npcm7xx_class_init(ObjectClass *oc, void *data)
+static void ehci_npcm7xx_class_init(ObjectClass *oc, const void *data)
 {
     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
     DeviceClass *dc = DEVICE_CLASS(oc);
@@ -137,7 +137,7 @@ static void ehci_npcm7xx_class_init(ObjectClass *oc, void *data)
     set_bit(DEVICE_CATEGORY_USB, dc->categories);
 }
 
-static void ehci_tegra2_class_init(ObjectClass *oc, void *data)
+static void ehci_tegra2_class_init(ObjectClass *oc, const void *data)
 {
     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
     DeviceClass *dc = DEVICE_CLASS(oc);
@@ -154,7 +154,7 @@ static void ehci_ppc4xx_init(Object *o)
     s->ehci.companion_enable = true;
 }
 
-static void ehci_ppc4xx_class_init(ObjectClass *oc, void *data)
+static void ehci_ppc4xx_class_init(ObjectClass *oc, const void *data)
 {
     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
     DeviceClass *dc = DEVICE_CLASS(oc);
@@ -220,7 +220,7 @@ static void fusbh200_ehci_init(Object *obj)
                                 &f->mem_vendor);
 }
 
-static void fusbh200_ehci_class_init(ObjectClass *oc, void *data)
+static void fusbh200_ehci_class_init(ObjectClass *oc, const void *data)
 {
     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
     DeviceClass *dc = DEVICE_CLASS(oc);
diff --git a/hw/usb/hcd-ohci-pci.c b/hw/usb/hcd-ohci-pci.c
index b3684a2ef6..3c82525a1e 100644
--- a/hw/usb/hcd-ohci-pci.c
+++ b/hw/usb/hcd-ohci-pci.c
@@ -126,7 +126,7 @@ static const VMStateDescription vmstate_ohci = {
     }
 };
 
-static void ohci_pci_class_init(ObjectClass *klass, void *data)
+static void ohci_pci_class_init(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
diff --git a/hw/usb/hcd-ohci-sysbus.c b/hw/usb/hcd-ohci-sysbus.c
index 15311949b3..3fc6cce44b 100644
--- a/hw/usb/hcd-ohci-sysbus.c
+++ b/hw/usb/hcd-ohci-sysbus.c
@@ -64,7 +64,7 @@ static const Property ohci_sysbus_properties[] = {
     DEFINE_PROP_DMAADDR("dma-offset", OHCISysBusState, dma_offset, 0),
 };
 
-static void ohci_sysbus_class_init(ObjectClass *klass, void *data)
+static void ohci_sysbus_class_init(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
 
diff --git a/hw/usb/hcd-uhci.c b/hw/usb/hcd-uhci.c
index 0561a6d801..2b1aee1f21 100644
--- a/hw/usb/hcd-uhci.c
+++ b/hw/usb/hcd-uhci.c
@@ -1260,7 +1260,7 @@ static const Property uhci_properties_standalone[] = {
     DEFINE_PROP_UINT32("maxframes", UHCIState, maxframes, 128),
 };
 
-static void uhci_class_init(ObjectClass *klass, void *data)
+static void uhci_class_init(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
@@ -1284,7 +1284,7 @@ static const TypeInfo uhci_pci_type_info = {
     },
 };
 
-void uhci_data_class_init(ObjectClass *klass, void *data)
+void uhci_data_class_init(ObjectClass *klass, const void *data)
 {
     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
     DeviceClass *dc = DEVICE_CLASS(klass);
diff --git a/hw/usb/hcd-uhci.h b/hw/usb/hcd-uhci.h
index d4664297cf..e0a6525505 100644
--- a/hw/usb/hcd-uhci.h
+++ b/hw/usb/hcd-uhci.h
@@ -88,7 +88,7 @@ typedef struct UHCIInfo {
     bool       notuser; /* disallow user_creatable */
 } UHCIInfo;
 
-void uhci_data_class_init(ObjectClass *klass, void *data);
+void uhci_data_class_init(ObjectClass *klass, const void *data);
 void usb_uhci_common_realize(PCIDevice *dev, Error **errp);
 
 #define TYPE_PIIX3_USB_UHCI "piix3-usb-uhci"
diff --git a/hw/usb/hcd-xhci-nec.c b/hw/usb/hcd-xhci-nec.c
index 1df518baf5..9e0fea26f4 100644
--- a/hw/usb/hcd-xhci-nec.c
+++ b/hw/usb/hcd-xhci-nec.c
@@ -50,7 +50,7 @@ static void nec_xhci_instance_init(Object *obj)
     pci->xhci.numslots = nec->slots;
 }
 
-static void nec_xhci_class_init(ObjectClass *klass, void *data)
+static void nec_xhci_class_init(ObjectClass *klass, const void *data)
 {
     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
     DeviceClass *dc = DEVICE_CLASS(klass);
diff --git a/hw/usb/hcd-xhci-pci.c b/hw/usb/hcd-xhci-pci.c
index d908eb787d..6167bb9100 100644
--- a/hw/usb/hcd-xhci-pci.c
+++ b/hw/usb/hcd-xhci-pci.c
@@ -223,7 +223,7 @@ static const Property xhci_pci_properties[] = {
                      conditional_intr_mapping, false),
 };
 
-static void xhci_class_init(ObjectClass *klass, void *data)
+static void xhci_class_init(ObjectClass *klass, const void *data)
 {
     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
     DeviceClass *dc = DEVICE_CLASS(klass);
@@ -255,7 +255,7 @@ static const TypeInfo xhci_pci_info = {
     },
 };
 
-static void qemu_xhci_class_init(ObjectClass *klass, void *data)
+static void qemu_xhci_class_init(ObjectClass *klass, const void *data)
 {
     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
 
diff --git a/hw/usb/hcd-xhci-sysbus.c b/hw/usb/hcd-xhci-sysbus.c
index ce43322396..244698e5f2 100644
--- a/hw/usb/hcd-xhci-sysbus.c
+++ b/hw/usb/hcd-xhci-sysbus.c
@@ -96,7 +96,7 @@ static const VMStateDescription vmstate_xhci_sysbus = {
     }
 };
 
-static void xhci_sysbus_class_init(ObjectClass *klass, void *data)
+static void xhci_sysbus_class_init(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
 
diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
index 64c3a23b9b..b3785b8ba6 100644
--- a/hw/usb/hcd-xhci.c
+++ b/hw/usb/hcd-xhci.c
@@ -3638,7 +3638,7 @@ static const Property xhci_properties[] = {
                      DeviceState *),
 };
 
-static void xhci_class_init(ObjectClass *klass, void *data)
+static void xhci_class_init(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
 
diff --git a/hw/usb/host-libusb.c b/hw/usb/host-libusb.c
index c3d642c9d3..b74670ae25 100644
--- a/hw/usb/host-libusb.c
+++ b/hw/usb/host-libusb.c
@@ -1781,7 +1781,7 @@ static const Property usb_host_dev_properties[] = {
                      suppress_remote_wake, true),
 };
 
-static void usb_host_class_initfn(ObjectClass *klass, void *data)
+static void usb_host_class_initfn(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
diff --git a/hw/usb/imx-usb-phy.c b/hw/usb/imx-usb-phy.c
index f519250567..c25566d0fa 100644
--- a/hw/usb/imx-usb-phy.c
+++ b/hw/usb/imx-usb-phy.c
@@ -214,7 +214,7 @@ static void imx_usbphy_realize(DeviceState *dev, Error **errp)
     sysbus_init_mmio(SYS_BUS_DEVICE(s), &s->iomem);
 }
 
-static void imx_usbphy_class_init(ObjectClass *klass, void *data)
+static void imx_usbphy_class_init(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
 
diff --git a/hw/usb/redirect.c b/hw/usb/redirect.c
index f3a83b3f4c..f516ff42a1 100644
--- a/hw/usb/redirect.c
+++ b/hw/usb/redirect.c
@@ -2582,7 +2582,7 @@ static const Property usbredir_properties[] = {
                      suppress_remote_wake, true),
 };
 
-static void usbredir_class_initfn(ObjectClass *klass, void *data)
+static void usbredir_class_initfn(ObjectClass *klass, const void *data)
 {
     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
     DeviceClass *dc = DEVICE_CLASS(klass);
diff --git a/hw/usb/u2f-emulated.c b/hw/usb/u2f-emulated.c
index e1dd19ee92..ace5eceadd 100644
--- a/hw/usb/u2f-emulated.c
+++ b/hw/usb/u2f-emulated.c
@@ -377,7 +377,7 @@ static const Property u2f_emulated_properties[] = {
     DEFINE_PROP_STRING("counter", U2FEmulatedState, counter),
 };
 
-static void u2f_emulated_class_init(ObjectClass *klass, void *data)
+static void u2f_emulated_class_init(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     U2FKeyClass *kc = U2F_KEY_CLASS(klass);
diff --git a/hw/usb/u2f-passthru.c b/hw/usb/u2f-passthru.c
index 8df5215a1f..fa8d9cdda8 100644
--- a/hw/usb/u2f-passthru.c
+++ b/hw/usb/u2f-passthru.c
@@ -520,7 +520,7 @@ static const Property u2f_passthru_properties[] = {
     DEFINE_PROP_STRING("hidraw", U2FPassthruState, hidraw),
 };
 
-static void u2f_passthru_class_init(ObjectClass *klass, void *data)
+static void u2f_passthru_class_init(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     U2FKeyClass *kc = U2F_KEY_CLASS(klass);
diff --git a/hw/usb/u2f.c b/hw/usb/u2f.c
index 1fb59cf404..b051a999d3 100644
--- a/hw/usb/u2f.c
+++ b/hw/usb/u2f.c
@@ -317,7 +317,7 @@ const VMStateDescription vmstate_u2f_key = {
     }
 };
 
-static void u2f_key_class_init(ObjectClass *klass, void *data)
+static void u2f_key_class_init(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
diff --git a/hw/usb/xlnx-usb-subsystem.c b/hw/usb/xlnx-usb-subsystem.c
index d8deeb6ced..98967ef49f 100644
--- a/hw/usb/xlnx-usb-subsystem.c
+++ b/hw/usb/xlnx-usb-subsystem.c
@@ -69,7 +69,7 @@ static void versal_usb2_init(Object *obj)
     object_property_add_alias(obj, "dma", OBJECT(&s->dwc3.sysbus_xhci), "dma");
 }
 
-static void versal_usb2_class_init(ObjectClass *klass, void *data)
+static void versal_usb2_class_init(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
 
diff --git a/hw/usb/xlnx-versal-usb2-ctrl-regs.c b/hw/usb/xlnx-versal-usb2-ctrl-regs.c
index 66c793a602..4114672d4f 100644
--- a/hw/usb/xlnx-versal-usb2-ctrl-regs.c
+++ b/hw/usb/xlnx-versal-usb2-ctrl-regs.c
@@ -202,7 +202,7 @@ static const VMStateDescription vmstate_usb2_ctrl_regs = {
     }
 };
 
-static void usb2_ctrl_regs_class_init(ObjectClass *klass, void *data)
+static void usb2_ctrl_regs_class_init(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     ResettableClass *rc = RESETTABLE_CLASS(klass);