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-rw-r--r--hw/arm/integratorcp.c11
-rw-r--r--hw/arm/musicpal.c11
-rw-r--r--hw/arm/nseries.c4
-rw-r--r--hw/arm/omap2.c7
-rw-r--r--hw/arm/palm.c2
-rw-r--r--hw/arm/realview.c12
-rw-r--r--hw/arm/spitz.c17
-rw-r--r--hw/arm/versatilepb.c8
-rw-r--r--hw/arm/vexpress.c5
-rw-r--r--hw/arm/xlnx-zcu102.c6
-rw-r--r--hw/arm/z2.c15
-rw-r--r--hw/audio/ac97.c6
-rw-r--r--hw/audio/adlib.c6
-rw-r--r--hw/audio/cs4231a.c6
-rw-r--r--hw/audio/es1370.c5
-rw-r--r--hw/audio/gus.c6
-rw-r--r--hw/audio/hda-codec.c5
-rw-r--r--hw/audio/lm4549.c8
-rw-r--r--hw/audio/pcspk.c4
-rw-r--r--hw/audio/sb16.c6
-rw-r--r--hw/audio/via-ac97.c6
-rw-r--r--hw/audio/wm8750.c5
-rw-r--r--hw/core/machine.c33
-rw-r--r--hw/core/qdev-properties-system.c16
-rw-r--r--hw/display/xlnx_dp.c6
-rw-r--r--hw/input/tsc210x.c7
-rw-r--r--hw/mips/fuloong2e.c15
-rw-r--r--hw/net/e1000.c81
-rw-r--r--hw/nvram/meson.build6
-rw-r--r--hw/pci-host/i440fx.c8
-rw-r--r--hw/pci-host/q35.c7
-rw-r--r--hw/ppc/pegasos2.c12
-rw-r--r--hw/ppc/prep.c7
-rw-r--r--hw/scsi/esp.c5
-rw-r--r--hw/scsi/scsi-disk.c4
-rw-r--r--hw/usb/dev-audio.c5
36 files changed, 247 insertions, 126 deletions
diff --git a/hw/arm/integratorcp.c b/hw/arm/integratorcp.c
index b109ece3ae..d176e9af7e 100644
--- a/hw/arm/integratorcp.c
+++ b/hw/arm/integratorcp.c
@@ -27,6 +27,7 @@
 #include "hw/irq.h"
 #include "hw/sd/sd.h"
 #include "qom/object.h"
+#include "audio/audio.h"
 
 #define TYPE_INTEGRATOR_CM "integrator_core"
 OBJECT_DECLARE_SIMPLE_TYPE(IntegratorCMState, INTEGRATOR_CM)
@@ -660,7 +661,13 @@ static void integratorcp_init(MachineState *machine)
                                &error_fatal);
     }
 
-    sysbus_create_varargs("pl041", 0x1d000000, pic[25], NULL);
+    dev = qdev_new("pl041");
+    if (machine->audiodev) {
+        qdev_prop_set_string(dev, "audiodev", machine->audiodev);
+    }
+    sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
+    sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0x1d000000);
+    sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[25]);
 
     if (nd_table[0].used)
         smc91c111_init(&nd_table[0], 0xc8000000, pic[27]);
@@ -678,6 +685,8 @@ static void integratorcp_machine_init(MachineClass *mc)
     mc->ignore_memory_transaction_failures = true;
     mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm926");
     mc->default_ram_id = "integrator.ram";
+
+    machine_add_audiodev_property(mc);
 }
 
 DEFINE_MACHINE("integratorcp", integratorcp_machine_init)
diff --git a/hw/arm/musicpal.c b/hw/arm/musicpal.c
index dc4e43e0ee..9703bfb97f 100644
--- a/hw/arm/musicpal.c
+++ b/hw/arm/musicpal.c
@@ -37,9 +37,9 @@
 #include "qemu/cutils.h"
 #include "qom/object.h"
 #include "hw/net/mv88w8618_eth.h"
+#include "audio/audio.h"
 #include "qemu/error-report.h"
 
-
 #define MP_MISC_BASE            0x80002000
 #define MP_MISC_SIZE            0x00001000
 
@@ -1326,7 +1326,12 @@ static void musicpal_init(MachineState *machine)
         qdev_connect_gpio_out(key_dev, i, qdev_get_gpio_in(dev, i + 15));
     }
 
-    wm8750_dev = i2c_slave_create_simple(i2c, TYPE_WM8750, MP_WM_ADDR);
+    wm8750_dev = i2c_slave_new(TYPE_WM8750, MP_WM_ADDR);
+    if (machine->audiodev) {
+        qdev_prop_set_string(DEVICE(wm8750_dev), "audiodev", machine->audiodev);
+    }
+    i2c_slave_realize_and_unref(wm8750_dev, i2c, &error_abort);
+
     dev = qdev_new(TYPE_MV88W8618_AUDIO);
     s = SYS_BUS_DEVICE(dev);
     object_property_set_link(OBJECT(dev), "wm8750", OBJECT(wm8750_dev),
@@ -1347,6 +1352,8 @@ static void musicpal_machine_init(MachineClass *mc)
     mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm926");
     mc->default_ram_size = MP_RAM_DEFAULT_SIZE;
     mc->default_ram_id = "musicpal.ram";
+
+    machine_add_audiodev_property(mc);
 }
 
 DEFINE_MACHINE("musicpal", musicpal_machine_init)
diff --git a/hw/arm/nseries.c b/hw/arm/nseries.c
index 9e49e9e177..35aff46b4b 100644
--- a/hw/arm/nseries.c
+++ b/hw/arm/nseries.c
@@ -1432,6 +1432,8 @@ static void n800_class_init(ObjectClass *oc, void *data)
     /* Actually two chips of 0x4000000 bytes each */
     mc->default_ram_size = 0x08000000;
     mc->default_ram_id = "omap2.dram";
+
+    machine_add_audiodev_property(mc);
 }
 
 static const TypeInfo n800_type = {
@@ -1452,6 +1454,8 @@ static void n810_class_init(ObjectClass *oc, void *data)
     /* Actually two chips of 0x4000000 bytes each */
     mc->default_ram_size = 0x08000000;
     mc->default_ram_id = "omap2.dram";
+
+    machine_add_audiodev_property(mc);
 }
 
 static const TypeInfo n810_type = {
diff --git a/hw/arm/omap2.c b/hw/arm/omap2.c
index d5a2ae7af6..f170728e7e 100644
--- a/hw/arm/omap2.c
+++ b/hw/arm/omap2.c
@@ -37,6 +37,7 @@
 #include "hw/block/flash.h"
 #include "hw/arm/soc_dma.h"
 #include "hw/sysbus.h"
+#include "hw/boards.h"
 #include "audio/audio.h"
 
 /* Enhanced Audio Controller (CODEC only) */
@@ -609,7 +610,11 @@ static struct omap_eac_s *omap_eac_init(struct omap_target_agent_s *ta,
     s->codec.txdrq = *drq;
     omap_eac_reset(s);
 
-    AUD_register_card("OMAP EAC", &s->codec.card);
+    if (current_machine->audiodev) {
+        s->codec.card.name = g_strdup(current_machine->audiodev);
+        s->codec.card.state = audio_state_by_name(s->codec.card.name, &error_fatal);
+    }
+    AUD_register_card("OMAP EAC", &s->codec.card, &error_fatal);
 
     memory_region_init_io(&s->iomem, NULL, &omap_eac_ops, s, "omap.eac",
                           omap_l4_region_size(ta, 0));
diff --git a/hw/arm/palm.c b/hw/arm/palm.c
index 17c11ac4ce..b86f2c331b 100644
--- a/hw/arm/palm.c
+++ b/hw/arm/palm.c
@@ -310,6 +310,8 @@ static void palmte_machine_init(MachineClass *mc)
     mc->default_cpu_type = ARM_CPU_TYPE_NAME("ti925t");
     mc->default_ram_size = 0x02000000;
     mc->default_ram_id = "omap1.dram";
+
+    machine_add_audiodev_property(mc);
 }
 
 DEFINE_MACHINE("cheetah", palmte_machine_init)
diff --git a/hw/arm/realview.c b/hw/arm/realview.c
index a5aa2f046a..8f89526596 100644
--- a/hw/arm/realview.c
+++ b/hw/arm/realview.c
@@ -29,6 +29,7 @@
 #include "hw/irq.h"
 #include "hw/i2c/arm_sbcon_i2c.h"
 #include "hw/sd/sd.h"
+#include "audio/audio.h"
 
 #define SMP_BOOT_ADDR 0xe0000000
 #define SMP_BOOTREG_ADDR 0x10000030
@@ -207,6 +208,9 @@ static void realview_init(MachineState *machine,
 
     pl041 = qdev_new("pl041");
     qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512);
+    if (machine->audiodev) {
+        qdev_prop_set_string(pl041, "audiodev", machine->audiodev);
+    }
     sysbus_realize_and_unref(SYS_BUS_DEVICE(pl041), &error_fatal);
     sysbus_mmio_map(SYS_BUS_DEVICE(pl041), 0, 0x10004000);
     sysbus_connect_irq(SYS_BUS_DEVICE(pl041), 0, pic[19]);
@@ -412,6 +416,8 @@ static void realview_eb_class_init(ObjectClass *oc, void *data)
     mc->block_default_type = IF_SCSI;
     mc->ignore_memory_transaction_failures = true;
     mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm926");
+
+    machine_add_audiodev_property(mc);
 }
 
 static const TypeInfo realview_eb_type = {
@@ -430,6 +436,8 @@ static void realview_eb_mpcore_class_init(ObjectClass *oc, void *data)
     mc->max_cpus = 4;
     mc->ignore_memory_transaction_failures = true;
     mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm11mpcore");
+
+    machine_add_audiodev_property(mc);
 }
 
 static const TypeInfo realview_eb_mpcore_type = {
@@ -446,6 +454,8 @@ static void realview_pb_a8_class_init(ObjectClass *oc, void *data)
     mc->init = realview_pb_a8_init;
     mc->ignore_memory_transaction_failures = true;
     mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a8");
+
+    machine_add_audiodev_property(mc);
 }
 
 static const TypeInfo realview_pb_a8_type = {
@@ -463,6 +473,8 @@ static void realview_pbx_a9_class_init(ObjectClass *oc, void *data)
     mc->max_cpus = 4;
     mc->ignore_memory_transaction_failures = true;
     mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a9");
+
+    machine_add_audiodev_property(mc);
 }
 
 static const TypeInfo realview_pbx_a9_type = {
diff --git a/hw/arm/spitz.c b/hw/arm/spitz.c
index f732fe0acf..cc268c6ac0 100644
--- a/hw/arm/spitz.c
+++ b/hw/arm/spitz.c
@@ -35,6 +35,7 @@
 #include "exec/address-spaces.h"
 #include "cpu.h"
 #include "qom/object.h"
+#include "audio/audio.h"
 
 enum spitz_model_e { spitz, akita, borzoi, terrier };
 
@@ -774,15 +775,19 @@ static void spitz_wm8750_addr(void *opaque, int line, int level)
         i2c_slave_set_address(wm, SPITZ_WM_ADDRL);
 }
 
-static void spitz_i2c_setup(PXA2xxState *cpu)
+static void spitz_i2c_setup(MachineState *machine, PXA2xxState *cpu)
 {
     /* Attach the CPU on one end of our I2C bus.  */
     I2CBus *bus = pxa2xx_i2c_bus(cpu->i2c[0]);
 
-    DeviceState *wm;
-
     /* Attach a WM8750 to the bus */
-    wm = DEVICE(i2c_slave_create_simple(bus, TYPE_WM8750, 0));
+    I2CSlave *i2c_dev = i2c_slave_new(TYPE_WM8750, 0);
+    DeviceState *wm = DEVICE(i2c_dev);
+
+    if (machine->audiodev) {
+        qdev_prop_set_string(wm, "audiodev", machine->audiodev);
+    }
+    i2c_slave_realize_and_unref(i2c_dev, bus, &error_abort);
 
     spitz_wm8750_addr(wm, 0, 0);
     qdev_connect_gpio_out(cpu->gpio, SPITZ_GPIO_WM,
@@ -1013,7 +1018,7 @@ static void spitz_common_init(MachineState *machine)
 
     spitz_gpio_setup(mpu, (model == akita) ? 1 : 2);
 
-    spitz_i2c_setup(mpu);
+    spitz_i2c_setup(machine, mpu);
 
     if (model == akita)
         spitz_akita_i2c_setup(mpu);
@@ -1037,6 +1042,8 @@ static void spitz_common_class_init(ObjectClass *oc, void *data)
     mc->block_default_type = IF_IDE;
     mc->ignore_memory_transaction_failures = true;
     mc->init = spitz_common_init;
+
+    machine_add_audiodev_property(mc);
 }
 
 static const TypeInfo spitz_common_info = {
diff --git a/hw/arm/versatilepb.c b/hw/arm/versatilepb.c
index 05b9462a5b..2f22dc890f 100644
--- a/hw/arm/versatilepb.c
+++ b/hw/arm/versatilepb.c
@@ -26,6 +26,7 @@
 #include "hw/char/pl011.h"
 #include "hw/sd/sd.h"
 #include "qom/object.h"
+#include "audio/audio.h"
 
 #define VERSATILE_FLASH_ADDR 0x34000000
 #define VERSATILE_FLASH_SIZE (64 * 1024 * 1024)
@@ -343,6 +344,9 @@ static void versatile_init(MachineState *machine, int board_id)
     /* Add PL041 AACI Interface to the LM4549 codec */
     pl041 = qdev_new("pl041");
     qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512);
+    if (machine->audiodev) {
+        qdev_prop_set_string(pl041, "audiodev", machine->audiodev);
+    }
     sysbus_realize_and_unref(SYS_BUS_DEVICE(pl041), &error_fatal);
     sysbus_mmio_map(SYS_BUS_DEVICE(pl041), 0, 0x10004000);
     sysbus_connect_irq(SYS_BUS_DEVICE(pl041), 0, sic[24]);
@@ -416,6 +420,8 @@ static void versatilepb_class_init(ObjectClass *oc, void *data)
     mc->ignore_memory_transaction_failures = true;
     mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm926");
     mc->default_ram_id = "versatile.ram";
+
+    machine_add_audiodev_property(mc);
 }
 
 static const TypeInfo versatilepb_type = {
@@ -434,6 +440,8 @@ static void versatileab_class_init(ObjectClass *oc, void *data)
     mc->ignore_memory_transaction_failures = true;
     mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm926");
     mc->default_ram_id = "versatile.ram";
+
+    machine_add_audiodev_property(mc);
 }
 
 static const TypeInfo versatileab_type = {
diff --git a/hw/arm/vexpress.c b/hw/arm/vexpress.c
index 56abadd9b8..8ff37f52ca 100644
--- a/hw/arm/vexpress.c
+++ b/hw/arm/vexpress.c
@@ -44,6 +44,7 @@
 #include "hw/i2c/arm_sbcon_i2c.h"
 #include "hw/sd/sd.h"
 #include "qom/object.h"
+#include "audio/audio.h"
 
 #define VEXPRESS_BOARD_ID 0x8e0
 #define VEXPRESS_FLASH_SIZE (64 * 1024 * 1024)
@@ -613,6 +614,9 @@ static void vexpress_common_init(MachineState *machine)
 
     pl041 = qdev_new("pl041");
     qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512);
+    if (machine->audiodev) {
+        qdev_prop_set_string(pl041, "audiodev", machine->audiodev);
+    }
     sysbus_realize_and_unref(SYS_BUS_DEVICE(pl041), &error_fatal);
     sysbus_mmio_map(SYS_BUS_DEVICE(pl041), 0, map[VE_PL041]);
     sysbus_connect_irq(SYS_BUS_DEVICE(pl041), 0, pic[11]);
@@ -776,6 +780,7 @@ static void vexpress_class_init(ObjectClass *oc, void *data)
     mc->ignore_memory_transaction_failures = true;
     mc->default_ram_id = "vexpress.highmem";
 
+    machine_add_audiodev_property(mc);
     object_class_property_add_bool(oc, "secure", vexpress_get_secure,
                                    vexpress_set_secure);
     object_class_property_set_description(oc, "secure",
diff --git a/hw/arm/xlnx-zcu102.c b/hw/arm/xlnx-zcu102.c
index 21483f75fd..c5a07cfe19 100644
--- a/hw/arm/xlnx-zcu102.c
+++ b/hw/arm/xlnx-zcu102.c
@@ -24,6 +24,7 @@
 #include "sysemu/device_tree.h"
 #include "qom/object.h"
 #include "net/can_emu.h"
+#include "audio/audio.h"
 
 struct XlnxZCU102 {
     MachineState parent_obj;
@@ -143,6 +144,10 @@ static void xlnx_zcu102_init(MachineState *machine)
 
     object_initialize_child(OBJECT(machine), "soc", &s->soc, TYPE_XLNX_ZYNQMP);
 
+    if (machine->audiodev) {
+        qdev_prop_set_string(DEVICE(&s->soc.dp), "audiodev", machine->audiodev);
+    }
+
     object_property_set_link(OBJECT(&s->soc), "ddr-ram", OBJECT(machine->ram),
                              &error_abort);
     object_property_set_bool(OBJECT(&s->soc), "secure", s->secure,
@@ -275,6 +280,7 @@ static void xlnx_zcu102_machine_class_init(ObjectClass *oc, void *data)
     mc->default_cpus = XLNX_ZYNQMP_NUM_APU_CPUS;
     mc->default_ram_id = "ddr-ram";
 
+    machine_add_audiodev_property(mc);
     object_class_property_add_bool(oc, "secure", zcu102_get_secure,
                                    zcu102_set_secure);
     object_class_property_set_description(oc, "secure",
diff --git a/hw/arm/z2.c b/hw/arm/z2.c
index dc25304290..d9a08fa67b 100644
--- a/hw/arm/z2.c
+++ b/hw/arm/z2.c
@@ -27,6 +27,7 @@
 #include "exec/address-spaces.h"
 #include "cpu.h"
 #include "qom/object.h"
+#include "qapi/error.h"
 
 #ifdef DEBUG_Z2
 #define DPRINTF(fmt, ...) \
@@ -307,6 +308,7 @@ static void z2_init(MachineState *machine)
     void *z2_lcd;
     I2CBus *bus;
     DeviceState *wm;
+    I2CSlave *i2c_dev;
 
     /* Setup CPU & memory */
     mpu = pxa270_init(z2_binfo.ram_size, machine->cpu_type);
@@ -328,8 +330,17 @@ static void z2_init(MachineState *machine)
     type_register_static(&aer915_info);
     z2_lcd = ssi_create_peripheral(mpu->ssp[1], TYPE_ZIPIT_LCD);
     bus = pxa2xx_i2c_bus(mpu->i2c[0]);
+
     i2c_slave_create_simple(bus, TYPE_AER915, 0x55);
-    wm = DEVICE(i2c_slave_create_simple(bus, TYPE_WM8750, 0x1b));
+
+    i2c_dev = i2c_slave_new(TYPE_WM8750, 0x1b);
+    wm = DEVICE(i2c_dev);
+
+    if (machine->audiodev) {
+        qdev_prop_set_string(wm, "audiodev", machine->audiodev);
+    }
+    i2c_slave_realize_and_unref(i2c_dev, bus, &error_abort);
+
     mpu->i2s->opaque = wm;
     mpu->i2s->codec_out = wm8750_dac_dat;
     mpu->i2s->codec_in = wm8750_adc_dat;
@@ -348,6 +359,8 @@ static void z2_machine_init(MachineClass *mc)
     mc->init = z2_init;
     mc->ignore_memory_transaction_failures = true;
     mc->default_cpu_type = ARM_CPU_TYPE_NAME("pxa270-c5");
+
+    machine_add_audiodev_property(mc);
 }
 
 DEFINE_MACHINE("z2", z2_machine_init)
diff --git a/hw/audio/ac97.c b/hw/audio/ac97.c
index c2a5ce062a..6a7a2dc80c 100644
--- a/hw/audio/ac97.c
+++ b/hw/audio/ac97.c
@@ -1273,6 +1273,10 @@ static void ac97_realize(PCIDevice *dev, Error **errp)
     AC97LinkState *s = AC97(dev);
     uint8_t *c = s->dev.config;
 
+    if (!AUD_register_card ("ac97", &s->card, errp)) {
+        return;
+    }
+
     /* TODO: no need to override */
     c[PCI_COMMAND] = 0x00;      /* pcicmd pci command rw, ro */
     c[PCI_COMMAND + 1] = 0x00;
@@ -1306,7 +1310,7 @@ static void ac97_realize(PCIDevice *dev, Error **errp)
                           "ac97-nabm", 256);
     pci_register_bar(&s->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io_nam);
     pci_register_bar(&s->dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &s->io_nabm);
-    AUD_register_card("ac97", &s->card);
+
     ac97_on_reset(DEVICE(s));
 }
 
diff --git a/hw/audio/adlib.c b/hw/audio/adlib.c
index 5f979b1487..bd73806d83 100644
--- a/hw/audio/adlib.c
+++ b/hw/audio/adlib.c
@@ -255,6 +255,10 @@ static void adlib_realizefn (DeviceState *dev, Error **errp)
     AdlibState *s = ADLIB(dev);
     struct audsettings as;
 
+    if (!AUD_register_card ("adlib", &s->card, errp)) {
+        return;
+    }
+
     s->opl = OPLCreate (3579545, s->freq);
     if (!s->opl) {
         error_setg (errp, "OPLCreate %d failed", s->freq);
@@ -270,8 +274,6 @@ static void adlib_realizefn (DeviceState *dev, Error **errp)
     as.fmt = AUDIO_FORMAT_S16;
     as.endianness = AUDIO_HOST_ENDIANNESS;
 
-    AUD_register_card ("adlib", &s->card);
-
     s->voice = AUD_open_out (
         &s->card,
         s->voice,
diff --git a/hw/audio/cs4231a.c b/hw/audio/cs4231a.c
index 5c6d643732..3aa105748d 100644
--- a/hw/audio/cs4231a.c
+++ b/hw/audio/cs4231a.c
@@ -678,13 +678,15 @@ static void cs4231a_realizefn (DeviceState *dev, Error **errp)
         return;
     }
 
+    if (!AUD_register_card ("cs4231a", &s->card, errp)) {
+        return;
+    }
+
     s->pic = isa_bus_get_irq(bus, s->irq);
     k = ISADMA_GET_CLASS(s->isa_dma);
     k->register_channel(s->isa_dma, s->dma, cs_dma_read, s);
 
     isa_register_ioport (d, &s->ioports, s->port);
-
-    AUD_register_card ("cs4231a", &s->card);
 }
 
 static Property cs4231a_properties[] = {
diff --git a/hw/audio/es1370.c b/hw/audio/es1370.c
index 4f738a0ad8..90f73d4c23 100644
--- a/hw/audio/es1370.c
+++ b/hw/audio/es1370.c
@@ -853,6 +853,10 @@ static void es1370_realize(PCIDevice *dev, Error **errp)
     ES1370State *s = ES1370(dev);
     uint8_t *c = s->dev.config;
 
+    if (!AUD_register_card ("es1370", &s->card, errp)) {
+        return;
+    }
+
     c[PCI_STATUS + 1] = PCI_STATUS_DEVSEL_SLOW >> 8;
 
 #if 0
@@ -868,7 +872,6 @@ static void es1370_realize(PCIDevice *dev, Error **errp)
     memory_region_init_io (&s->io, OBJECT(s), &es1370_io_ops, s, "es1370", 256);
     pci_register_bar (&s->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io);
 
-    AUD_register_card ("es1370", &s->card);
     es1370_reset (s);
 }
 
diff --git a/hw/audio/gus.c b/hw/audio/gus.c
index 787345ce54..6c2b586ca7 100644
--- a/hw/audio/gus.c
+++ b/hw/audio/gus.c
@@ -241,14 +241,16 @@ static void gus_realizefn (DeviceState *dev, Error **errp)
     IsaDmaClass *k;
     struct audsettings as;
 
+    if (!AUD_register_card ("gus", &s->card, errp)) {
+        return;
+    }
+
     s->isa_dma = isa_bus_get_dma(bus, s->emu.gusdma);
     if (!s->isa_dma) {
         error_setg(errp, "ISA controller does not support DMA");
         return;
     }
 
-    AUD_register_card ("gus", &s->card);
-
     as.freq = s->freq;
     as.nchannels = 2;
     as.fmt = AUDIO_FORMAT_S16;
diff --git a/hw/audio/hda-codec.c b/hw/audio/hda-codec.c
index a26048cf15..b9ad1f4c39 100644
--- a/hw/audio/hda-codec.c
+++ b/hw/audio/hda-codec.c
@@ -685,11 +685,14 @@ static void hda_audio_init(HDACodecDevice *hda,
     const desc_param *param;
     uint32_t i, type;
 
+    if (!AUD_register_card("hda", &a->card, errp)) {
+        return;
+    }
+
     a->desc = desc;
     a->name = object_get_typename(OBJECT(a));
     dprint(a, 1, "%s: cad %d\n", __func__, a->hda.cad);
 
-    AUD_register_card("hda", &a->card);
     for (i = 0; i < a->desc->nnodes; i++) {
         node = a->desc->nodes + i;
         param = hda_codec_find_param(node, AC_PAR_AUDIO_WIDGET_CAP);
diff --git a/hw/audio/lm4549.c b/hw/audio/lm4549.c
index 418041bc9c..e7bfcc4b9f 100644
--- a/hw/audio/lm4549.c
+++ b/hw/audio/lm4549.c
@@ -281,6 +281,11 @@ void lm4549_init(lm4549_state *s, lm4549_callback data_req_cb, void* opaque,
 {
     struct audsettings as;
 
+    /* Register an audio card */
+    if (!AUD_register_card("lm4549", &s->card, errp)) {
+        return;
+    }
+
     /* Store the callback and opaque pointer */
     s->data_req_cb = data_req_cb;
     s->opaque = opaque;
@@ -288,9 +293,6 @@ void lm4549_init(lm4549_state *s, lm4549_callback data_req_cb, void* opaque,
     /* Init the registers */
     lm4549_reset(s);
 
-    /* Register an audio card */
-    AUD_register_card("lm4549", &s->card);
-
     /* Open a default voice */
     as.freq = 48000;
     as.nchannels = 2;
diff --git a/hw/audio/pcspk.c b/hw/audio/pcspk.c
index daf92a4ce1..fe7f07ced2 100644
--- a/hw/audio/pcspk.c
+++ b/hw/audio/pcspk.c
@@ -123,8 +123,6 @@ static int pcspk_audio_init(PCSpkState *s)
         return 0;
     }
 
-    AUD_register_card(s_spk, &s->card);
-
     s->voice = AUD_open_out(&s->card, s->voice, s_spk, s, pcspk_callback, &as);
     if (!s->voice) {
         AUD_log(s_spk, "Could not open voice\n");
@@ -191,7 +189,7 @@ static void pcspk_realizefn(DeviceState *dev, Error **errp)
 
     isa_register_ioport(isadev, &s->ioport, s->iobase);
 
-    if (s->card.state) {
+    if (s->card.state && AUD_register_card(s_spk, &s->card, errp)) {
         pcspk_audio_init(s);
     }
 
diff --git a/hw/audio/sb16.c b/hw/audio/sb16.c
index 535ccccdc9..18f6d252db 100644
--- a/hw/audio/sb16.c
+++ b/hw/audio/sb16.c
@@ -1402,6 +1402,10 @@ static void sb16_realizefn (DeviceState *dev, Error **errp)
     SB16State *s = SB16 (dev);
     IsaDmaClass *k;
 
+    if (!AUD_register_card ("sb16", &s->card, errp)) {
+        return;
+    }
+
     s->isa_hdma = isa_bus_get_dma(bus, s->hdma);
     s->isa_dma = isa_bus_get_dma(bus, s->dma);
     if (!s->isa_dma || !s->isa_hdma) {
@@ -1434,8 +1438,6 @@ static void sb16_realizefn (DeviceState *dev, Error **errp)
     k->register_channel(s->isa_dma, s->dma, SB_read_DMA, s);
 
     s->can_write = 1;
-
-    AUD_register_card ("sb16", &s->card);
 }
 
 static Property sb16_properties[] = {
diff --git a/hw/audio/via-ac97.c b/hw/audio/via-ac97.c
index 676254b7a4..30095a4c7a 100644
--- a/hw/audio/via-ac97.c
+++ b/hw/audio/via-ac97.c
@@ -426,6 +426,10 @@ static void via_ac97_realize(PCIDevice *pci_dev, Error **errp)
     ViaAC97State *s = VIA_AC97(pci_dev);
     Object *o = OBJECT(s);
 
+    if (!AUD_register_card ("via-ac97", &s->card, errp)) {
+        return;
+    }
+
     /*
      * Command register Bus Master bit is documented to be fixed at 0 but it's
      * needed for PCI DMA to work in QEMU. The pegasos2 firmware writes 0 here
@@ -445,8 +449,6 @@ static void via_ac97_realize(PCIDevice *pci_dev, Error **errp)
     pci_register_bar(pci_dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &s->fm);
     memory_region_init_io(&s->midi, o, &midi_ops, s, "via-ac97.midi", 4);
     pci_register_bar(pci_dev, 2, PCI_BASE_ADDRESS_SPACE_IO, &s->midi);
-
-    AUD_register_card ("via-ac97", &s->card);
 }
 
 static void via_ac97_exit(PCIDevice *dev)
diff --git a/hw/audio/wm8750.c b/hw/audio/wm8750.c
index b5722b37c3..57954a6314 100644
--- a/hw/audio/wm8750.c
+++ b/hw/audio/wm8750.c
@@ -624,7 +624,10 @@ static void wm8750_realize(DeviceState *dev, Error **errp)
 {
     WM8750State *s = WM8750(dev);
 
-    AUD_register_card(CODEC, &s->card);
+    if (!AUD_register_card(CODEC, &s->card, errp)) {
+        return;
+    }
+
     wm8750_reset(I2C_SLAVE(s));
 }
 
diff --git a/hw/core/machine.c b/hw/core/machine.c
index df40f10dfa..281ef0dccd 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -29,6 +29,7 @@
 #include "exec/confidential-guest-support.h"
 #include "hw/virtio/virtio-pci.h"
 #include "hw/virtio/virtio-net.h"
+#include "audio/audio.h"
 
 GlobalProperty hw_compat_8_1[] = {};
 const size_t hw_compat_8_1_len = G_N_ELEMENTS(hw_compat_8_1);
@@ -676,6 +677,26 @@ bool device_type_is_dynamic_sysbus(MachineClass *mc, const char *type)
     return allowed;
 }
 
+static char *machine_get_audiodev(Object *obj, Error **errp)
+{
+    MachineState *ms = MACHINE(obj);
+
+    return g_strdup(ms->audiodev);
+}
+
+static void machine_set_audiodev(Object *obj, const char *value,
+                                 Error **errp)
+{
+    MachineState *ms = MACHINE(obj);
+
+    if (!audio_state_by_name(value, errp)) {
+        return;
+    }
+
+    g_free(ms->audiodev);
+    ms->audiodev = g_strdup(value);
+}
+
 HotpluggableCPUList *machine_query_hotpluggable_cpus(MachineState *machine)
 {
     int i;
@@ -921,6 +942,17 @@ out_free:
     qapi_free_BootConfiguration(config);
 }
 
+void machine_add_audiodev_property(MachineClass *mc)
+{
+    ObjectClass *oc = OBJECT_CLASS(mc);
+
+    object_class_property_add_str(oc, "audiodev",
+                                  machine_get_audiodev,
+                                  machine_set_audiodev);
+    object_class_property_set_description(oc, "audiodev",
+                                          "Audiodev to use for default machine devices");
+}
+
 static void machine_class_init(ObjectClass *oc, void *data)
 {
     MachineClass *mc = MACHINE_CLASS(oc);
@@ -1124,6 +1156,7 @@ static void machine_finalize(Object *obj)
     g_free(ms->device_memory);
     g_free(ms->nvdimms_state);
     g_free(ms->numa_state);
+    g_free(ms->audiodev);
 }
 
 bool machine_usb(MachineState *machine)
diff --git a/hw/core/qdev-properties-system.c b/hw/core/qdev-properties-system.c
index 41b7e682c7..688340610e 100644
--- a/hw/core/qdev-properties-system.c
+++ b/hw/core/qdev-properties-system.c
@@ -480,24 +480,16 @@ static void set_audiodev(Object *obj, Visitor *v, const char* name,
     Property *prop = opaque;
     QEMUSoundCard *card = object_field_prop_ptr(obj, prop);
     AudioState *state;
-    int err = 0;
-    char *str;
+    g_autofree char *str = NULL;
 
     if (!visit_type_str(v, name, &str, errp)) {
         return;
     }
 
-    state = audio_state_by_name(str);
-
-    if (!state) {
-        err = -ENOENT;
-        goto out;
+    state = audio_state_by_name(str, errp);
+    if (state) {
+        card->state = state;
     }
-    card->state = state;
-
-out:
-    error_set_from_qdev_prop_error(errp, err, obj, name, str);
-    g_free(str);
 }
 
 const PropertyInfo qdev_prop_audiodev = {
diff --git a/hw/display/xlnx_dp.c b/hw/display/xlnx_dp.c
index 341e91e886..eee8f33a58 100644
--- a/hw/display/xlnx_dp.c
+++ b/hw/display/xlnx_dp.c
@@ -1302,6 +1302,10 @@ static void xlnx_dp_realize(DeviceState *dev, Error **errp)
     DisplaySurface *surface;
     struct audsettings as;
 
+    if (!AUD_register_card("xlnx_dp.audio", &s->aud_card, errp)) {
+        return;
+    }
+
     aux_bus_realize(s->aux_bus);
 
     qdev_realize(DEVICE(s->dpcd), BUS(s->aux_bus), &error_fatal);
@@ -1320,8 +1324,6 @@ static void xlnx_dp_realize(DeviceState *dev, Error **errp)
     as.fmt = AUDIO_FORMAT_S16;
     as.endianness = 0;
 
-    AUD_register_card("xlnx_dp.audio", &s->aud_card);
-
     s->amixer_output_stream = AUD_open_out(&s->aud_card,
                                            s->amixer_output_stream,
                                            "xlnx_dp.audio.out",
diff --git a/hw/input/tsc210x.c b/hw/input/tsc210x.c
index f568759e05..950506fb38 100644
--- a/hw/input/tsc210x.c
+++ b/hw/input/tsc210x.c
@@ -27,6 +27,7 @@
 #include "sysemu/reset.h"
 #include "ui/console.h"
 #include "hw/arm/omap.h"            /* For I2SCodec */
+#include "hw/boards.h"              /* for current_machine */
 #include "hw/input/tsc2xxx.h"
 #include "hw/irq.h"
 #include "migration/vmstate.h"
@@ -1097,7 +1098,11 @@ static void tsc210x_init(TSC210xState *s,
 
     qemu_add_mouse_event_handler(tsc210x_touchscreen_event, s, 1, name);
 
-    AUD_register_card(s->name, &s->card);
+    if (current_machine->audiodev) {
+        s->card.name = g_strdup(current_machine->audiodev);
+        s->card.state = audio_state_by_name(s->card.name, &error_fatal);
+    }
+    AUD_register_card(s->name, &s->card, &error_fatal);
 
     qemu_register_reset((void *) tsc210x_reset, s);
     vmstate_register(NULL, 0, vmsd, s);
diff --git a/hw/mips/fuloong2e.c b/hw/mips/fuloong2e.c
index c827f615f3..c6109633fe 100644
--- a/hw/mips/fuloong2e.c
+++ b/hw/mips/fuloong2e.c
@@ -295,9 +295,17 @@ static void mips_fuloong2e_init(MachineState *machine)
     pci_bus = bonito_init((qemu_irq *)&(env->irq[2]));
 
     /* South bridge -> IP5 */
-    pci_dev = pci_create_simple_multifunction(pci_bus,
-                                              PCI_DEVFN(FULOONG2E_VIA_SLOT, 0),
-                                              TYPE_VT82C686B_ISA);
+    pci_dev = pci_new_multifunction(PCI_DEVFN(FULOONG2E_VIA_SLOT, 0),
+                                    TYPE_VT82C686B_ISA);
+
+    /* Set properties on individual devices before realizing the south bridge */
+    if (machine->audiodev) {
+        dev = DEVICE(object_resolve_path_component(OBJECT(pci_dev), "ac97"));
+        qdev_prop_set_string(dev, "audiodev", machine->audiodev);
+    }
+
+    pci_realize_and_unref(pci_dev, pci_bus, &error_abort);
+
     object_property_add_alias(OBJECT(machine), "rtc-time",
                               object_resolve_path_component(OBJECT(pci_dev),
                                                             "rtc"),
@@ -337,6 +345,7 @@ static void mips_fuloong2e_machine_init(MachineClass *mc)
     mc->default_ram_size = 256 * MiB;
     mc->default_ram_id = "fuloong2e.ram";
     mc->minimum_page_bits = 14;
+    machine_add_audiodev_property(mc);
 }
 
 DEFINE_MACHINE("fuloong2e", mips_fuloong2e_machine_init)
diff --git a/hw/net/e1000.c b/hw/net/e1000.c
index 093c2d4531..548bcabcbb 100644
--- a/hw/net/e1000.c
+++ b/hw/net/e1000.c
@@ -127,13 +127,9 @@ struct E1000State_st {
     QEMUTimer *flush_queue_timer;
 
 /* Compatibility flags for migration to/from qemu 1.3.0 and older */
-#define E1000_FLAG_AUTONEG_BIT 0
-#define E1000_FLAG_MIT_BIT 1
 #define E1000_FLAG_MAC_BIT 2
 #define E1000_FLAG_TSO_BIT 3
 #define E1000_FLAG_VET_BIT 4
-#define E1000_FLAG_AUTONEG (1 << E1000_FLAG_AUTONEG_BIT)
-#define E1000_FLAG_MIT (1 << E1000_FLAG_MIT_BIT)
 #define E1000_FLAG_MAC (1 << E1000_FLAG_MAC_BIT)
 #define E1000_FLAG_TSO (1 << E1000_FLAG_TSO_BIT)
 #define E1000_FLAG_VET (1 << E1000_FLAG_VET_BIT)
@@ -180,7 +176,7 @@ e1000_autoneg_done(E1000State *s)
 static bool
 have_autoneg(E1000State *s)
 {
-    return chkflag(AUTONEG) && (s->phy_reg[MII_BMCR] & MII_BMCR_AUTOEN);
+    return (s->phy_reg[MII_BMCR] & MII_BMCR_AUTOEN);
 }
 
 static void
@@ -308,35 +304,34 @@ set_interrupt_cause(E1000State *s, int index, uint32_t val)
         if (s->mit_timer_on) {
             return;
         }
-        if (chkflag(MIT)) {
-            /* Compute the next mitigation delay according to pending
-             * interrupts and the current values of RADV (provided
-             * RDTR!=0), TADV and ITR.
-             * Then rearm the timer.
-             */
-            mit_delay = 0;
-            if (s->mit_ide &&
-                    (pending_ints & (E1000_ICR_TXQE | E1000_ICR_TXDW))) {
-                mit_update_delay(&mit_delay, s->mac_reg[TADV] * 4);
-            }
-            if (s->mac_reg[RDTR] && (pending_ints & E1000_ICS_RXT0)) {
-                mit_update_delay(&mit_delay, s->mac_reg[RADV] * 4);
-            }
-            mit_update_delay(&mit_delay, s->mac_reg[ITR]);
-
-            /*
-             * According to e1000 SPEC, the Ethernet controller guarantees
-             * a maximum observable interrupt rate of 7813 interrupts/sec.
-             * Thus if mit_delay < 500 then the delay should be set to the
-             * minimum delay possible which is 500.
-             */
-            mit_delay = (mit_delay < 500) ? 500 : mit_delay;
-
-            s->mit_timer_on = 1;
-            timer_mod(s->mit_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
-                      mit_delay * 256);
-            s->mit_ide = 0;
+
+        /* Compute the next mitigation delay according to pending
+         * interrupts and the current values of RADV (provided
+         * RDTR!=0), TADV and ITR.
+         * Then rearm the timer.
+         */
+        mit_delay = 0;
+        if (s->mit_ide &&
+                (pending_ints & (E1000_ICR_TXQE | E1000_ICR_TXDW))) {
+            mit_update_delay(&mit_delay, s->mac_reg[TADV] * 4);
         }
+        if (s->mac_reg[RDTR] && (pending_ints & E1000_ICS_RXT0)) {
+            mit_update_delay(&mit_delay, s->mac_reg[RADV] * 4);
+        }
+        mit_update_delay(&mit_delay, s->mac_reg[ITR]);
+
+        /*
+         * According to e1000 SPEC, the Ethernet controller guarantees
+         * a maximum observable interrupt rate of 7813 interrupts/sec.
+         * Thus if mit_delay < 500 then the delay should be set to the
+         * minimum delay possible which is 500.
+         */
+        mit_delay = (mit_delay < 500) ? 500 : mit_delay;
+
+        s->mit_timer_on = 1;
+        timer_mod(s->mit_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
+                  mit_delay * 256);
+        s->mit_ide = 0;
     }
 
     s->mit_irq_level = (pending_ints != 0);
@@ -1223,9 +1218,6 @@ enum { MAC_ACCESS_PARTIAL = 1, MAC_ACCESS_FLAG_NEEDED = 2 };
  * n - flag needed
  * p - partially implenented */
 static const uint8_t mac_reg_access[0x8000] = {
-    [RDTR]    = markflag(MIT),    [TADV]    = markflag(MIT),
-    [RADV]    = markflag(MIT),    [ITR]     = markflag(MIT),
-
     [IPAV]    = markflag(MAC),    [WUC]     = markflag(MAC),
     [IP6AT]   = markflag(MAC),    [IP4AT]   = markflag(MAC),
     [FFVT]    = markflag(MAC),    [WUPM]    = markflag(MAC),
@@ -1394,11 +1386,6 @@ static int e1000_post_load(void *opaque, int version_id)
     E1000State *s = opaque;
     NetClientState *nc = qemu_get_queue(s->nic);
 
-    if (!chkflag(MIT)) {
-        s->mac_reg[ITR] = s->mac_reg[RDTR] = s->mac_reg[RADV] =
-            s->mac_reg[TADV] = 0;
-        s->mit_irq_level = false;
-    }
     s->mit_ide = 0;
     s->mit_timer_on = true;
     timer_mod(s->mit_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 1);
@@ -1432,13 +1419,6 @@ static int e1000_tx_tso_post_load(void *opaque, int version_id)
     return 0;
 }
 
-static bool e1000_mit_state_needed(void *opaque)
-{
-    E1000State *s = opaque;
-
-    return chkflag(MIT);
-}
-
 static bool e1000_full_mac_needed(void *opaque)
 {
     E1000State *s = opaque;
@@ -1457,7 +1437,6 @@ static const VMStateDescription vmstate_e1000_mit_state = {
     .name = "e1000/mit_state",
     .version_id = 1,
     .minimum_version_id = 1,
-    .needed = e1000_mit_state_needed,
     .fields = (VMStateField[]) {
         VMSTATE_UINT32(mac_reg[RDTR], E1000State),
         VMSTATE_UINT32(mac_reg[RADV], E1000State),
@@ -1699,10 +1678,6 @@ static void pci_e1000_realize(PCIDevice *pci_dev, Error **errp)
 
 static Property e1000_properties[] = {
     DEFINE_NIC_PROPERTIES(E1000State, conf),
-    DEFINE_PROP_BIT("autonegotiation", E1000State,
-                    compat_flags, E1000_FLAG_AUTONEG_BIT, true),
-    DEFINE_PROP_BIT("mitigation", E1000State,
-                    compat_flags, E1000_FLAG_MIT_BIT, true),
     DEFINE_PROP_BIT("extra_mac_registers", E1000State,
                     compat_flags, E1000_FLAG_MAC_BIT, true),
     DEFINE_PROP_BIT("migrate_tso_props", E1000State,
diff --git a/hw/nvram/meson.build b/hw/nvram/meson.build
index 988dff6f8e..75e415b1a0 100644
--- a/hw/nvram/meson.build
+++ b/hw/nvram/meson.build
@@ -1,8 +1,4 @@
-if have_system or have_tools
-  # QOM interfaces must be available anytime QOM is used.
-  qom_ss.add(files('fw_cfg-interface.c'))
-endif
-
+system_ss.add(files('fw_cfg-interface.c'))
 system_ss.add(files('fw_cfg.c'))
 system_ss.add(when: 'CONFIG_CHRP_NVRAM', if_true: files('chrp_nvram.c'))
 system_ss.add(when: 'CONFIG_DS1225Y', if_true: files('ds1225y.c'))
diff --git a/hw/pci-host/i440fx.c b/hw/pci-host/i440fx.c
index 62d6287681..653cc3f149 100644
--- a/hw/pci-host/i440fx.c
+++ b/hw/pci-host/i440fx.c
@@ -56,7 +56,6 @@ struct I440FXState {
     uint64_t above_4g_mem_size;
     uint64_t pci_hole64_size;
     bool pci_hole64_fix;
-    uint32_t short_root_bus;
 
     char *pci_type;
 };
@@ -351,19 +350,12 @@ static const TypeInfo i440fx_info = {
 static const char *i440fx_pcihost_root_bus_path(PCIHostState *host_bridge,
                                                 PCIBus *rootbus)
 {
-    I440FXState *s = I440FX_PCI_HOST_BRIDGE(host_bridge);
-
-    /* For backwards compat with old device paths */
-    if (s->short_root_bus) {
-        return "0000";
-    }
     return "0000:00";
 }
 
 static Property i440fx_props[] = {
     DEFINE_PROP_SIZE(PCI_HOST_PROP_PCI_HOLE64_SIZE, I440FXState,
                      pci_hole64_size, I440FX_PCI_HOST_HOLE64_SIZE_DEFAULT),
-    DEFINE_PROP_UINT32("short_root_bus", I440FXState, short_root_bus, 0),
     DEFINE_PROP_SIZE(PCI_HOST_BELOW_4G_MEM_SIZE, I440FXState,
                      below_4g_mem_size, 0),
     DEFINE_PROP_SIZE(PCI_HOST_ABOVE_4G_MEM_SIZE, I440FXState,
diff --git a/hw/pci-host/q35.c b/hw/pci-host/q35.c
index 91c46df9ae..08534bc7cc 100644
--- a/hw/pci-host/q35.c
+++ b/hw/pci-host/q35.c
@@ -73,12 +73,6 @@ static void q35_host_realize(DeviceState *dev, Error **errp)
 static const char *q35_host_root_bus_path(PCIHostState *host_bridge,
                                           PCIBus *rootbus)
 {
-    Q35PCIHost *s = Q35_HOST_DEVICE(host_bridge);
-
-     /* For backwards compat with old device paths */
-    if (s->mch.short_root_bus) {
-        return "0000";
-    }
     return "0000:00";
 }
 
@@ -181,7 +175,6 @@ static Property q35_host_props[] = {
                         MCH_HOST_BRIDGE_PCIEXBAR_DEFAULT),
     DEFINE_PROP_SIZE(PCI_HOST_PROP_PCI_HOLE64_SIZE, Q35PCIHost,
                      mch.pci_hole64_size, Q35_PCI_HOST_HOLE64_SIZE_DEFAULT),
-    DEFINE_PROP_UINT32("short_root_bus", Q35PCIHost, mch.short_root_bus, 0),
     DEFINE_PROP_SIZE(PCI_HOST_BELOW_4G_MEM_SIZE, Q35PCIHost,
                      mch.below_4g_mem_size, 0),
     DEFINE_PROP_SIZE(PCI_HOST_ABOVE_4G_MEM_SIZE, Q35PCIHost,
diff --git a/hw/ppc/pegasos2.c b/hw/ppc/pegasos2.c
index bd397cf2b5..3203a4a728 100644
--- a/hw/ppc/pegasos2.c
+++ b/hw/ppc/pegasos2.c
@@ -180,8 +180,15 @@ static void pegasos2_init(MachineState *machine)
     pci_bus_irqs(pci_bus, pegasos2_pci_irq, pm, PCI_NUM_PINS);
 
     /* VIA VT8231 South Bridge (multifunction PCI device) */
-    via = OBJECT(pci_create_simple_multifunction(pci_bus, PCI_DEVFN(12, 0),
-                                                 TYPE_VT8231_ISA));
+    via = OBJECT(pci_new_multifunction(PCI_DEVFN(12, 0), TYPE_VT8231_ISA));
+
+    /* Set properties on individual devices before realizing the south bridge */
+    if (machine->audiodev) {
+        dev = PCI_DEVICE(object_resolve_path_component(via, "ac97"));
+        qdev_prop_set_string(DEVICE(dev), "audiodev", machine->audiodev);
+    }
+
+    pci_realize_and_unref(PCI_DEVICE(via), pci_bus, &error_abort);
     for (i = 0; i < PCI_NUM_PINS; i++) {
         pm->via_pirq[i] = qdev_get_gpio_in_named(DEVICE(via), "pirq", i);
     }
@@ -556,6 +563,7 @@ static void pegasos2_machine_class_init(ObjectClass *oc, void *data)
     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("7457_v1.2");
     mc->default_ram_id = "pegasos2.ram";
     mc->default_ram_size = 512 * MiB;
+    machine_add_audiodev_property(mc);
 
     vhc->cpu_in_nested = pegasos2_cpu_in_nested;
     vhc->hypercall = pegasos2_hypercall;
diff --git a/hw/ppc/prep.c b/hw/ppc/prep.c
index f6fd35fcb9..137276bcb9 100644
--- a/hw/ppc/prep.c
+++ b/hw/ppc/prep.c
@@ -45,6 +45,7 @@
 #include "trace.h"
 #include "elf.h"
 #include "qemu/units.h"
+#include "audio/audio.h"
 
 /* SMP is not enabled, for now */
 #define MAX_CPUS 1
@@ -310,6 +311,10 @@ static void ibm_40p_init(MachineState *machine)
         dev = DEVICE(isa_dev);
         qdev_prop_set_uint32(dev, "iobase", 0x830);
         qdev_prop_set_uint32(dev, "irq", 10);
+
+        if (machine->audiodev) {
+            qdev_prop_set_string(dev, "audiodev", machine->audiodev);
+        }
         isa_realize_and_unref(isa_dev, isa_bus, &error_fatal);
 
         isa_dev = isa_new("pc87312");
@@ -426,6 +431,8 @@ static void ibm_40p_machine_init(MachineClass *mc)
     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("604");
     mc->default_display = "std";
     mc->default_nic = "pcnet";
+
+    machine_add_audiodev_property(mc);
 }
 
 DEFINE_MACHINE("40p", ibm_40p_machine_init)
diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c
index e52188d022..9b11d8c573 100644
--- a/hw/scsi/esp.c
+++ b/hw/scsi/esp.c
@@ -759,7 +759,8 @@ static void esp_do_nodma(ESPState *s)
     }
 
     if (to_device) {
-        len = MIN(fifo8_num_used(&s->fifo), ESP_FIFO_SZ);
+        len = MIN(s->async_len, ESP_FIFO_SZ);
+        len = MIN(len, fifo8_num_used(&s->fifo));
         esp_fifo_pop_buf(&s->fifo, s->async_buf, len);
         s->async_buf += len;
         s->async_len -= len;
@@ -1395,7 +1396,7 @@ static void sysbus_esp_gpio_demux(void *opaque, int irq, int level)
         parent_esp_reset(s, irq, level);
         break;
     case 1:
-        esp_dma_enable(opaque, irq, level);
+        esp_dma_enable(s, irq, level);
         break;
     }
 }
diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c
index 477ee2bcd4..6691f5edb8 100644
--- a/hw/scsi/scsi-disk.c
+++ b/hw/scsi/scsi-disk.c
@@ -1959,6 +1959,10 @@ static void scsi_disk_emulate_write_data(SCSIRequest *req)
         scsi_disk_emulate_write_same(r, r->iov.iov_base);
         break;
 
+    case FORMAT_UNIT:
+        scsi_req_complete(&r->req, GOOD);
+        break;
+
     default:
         abort();
     }
diff --git a/hw/usb/dev-audio.c b/hw/usb/dev-audio.c
index 8748c1ba04..d5ac1f8962 100644
--- a/hw/usb/dev-audio.c
+++ b/hw/usb/dev-audio.c
@@ -944,12 +944,15 @@ static void usb_audio_realize(USBDevice *dev, Error **errp)
     USBAudioState *s = USB_AUDIO(dev);
     int i;
 
+    if (!AUD_register_card(TYPE_USB_AUDIO, &s->card, errp)) {
+        return;
+    }
+
     dev->usb_desc = s->multi ? &desc_audio_multi : &desc_audio;
 
     usb_desc_create_serial(dev);
     usb_desc_init(dev);
     s->dev.opaque = s;
-    AUD_register_card(TYPE_USB_AUDIO, &s->card);
 
     s->out.altset        = ALTSET_OFF;
     s->out.vol.mute      = false;