[PULL 13/53] dino: change dino_init() to return the DINO device instead of PCIBus

[Mark Cave-Ayland]

This is in preparation for using more qdev APIs during the configuration of the
HPPA generic machine.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Helge Deller <deller@gmx.de>
Message-Id: <20220504092600.10048-14-mark.cave-ayland@ilande.co.uk>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
---
 hw/hppa/dino.c     | 8 +++-----
 hw/hppa/hppa_sys.h | 3 ++-
 hw/hppa/machine.c  | 6 ++++--
 3 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/hw/hppa/dino.c b/hw/hppa/dino.c
index 01546ff6fc..6c488c908e 100644
--- a/hw/hppa/dino.c
+++ b/hw/hppa/dino.c
@@ -409,12 +409,11 @@ static void dino_set_serial_irq(void *opaque, int irq, 
int level)
     dino_set_irq(opaque, 10, level);
 }
 
-PCIBus *dino_init(MemoryRegion *addr_space,
-                  qemu_irq *p_rtc_irq, qemu_irq *p_ser_irq)
+DinoState *dino_init(MemoryRegion *addr_space,
+                     qemu_irq *p_rtc_irq, qemu_irq *p_ser_irq)
 {
     DeviceState *dev;
     DinoState *s;
-    PCIBus *pci_bus;
 
     dev = qdev_new(TYPE_DINO_PCI_HOST_BRIDGE);
     object_property_set_link(OBJECT(dev), "memory-as", OBJECT(addr_space),
@@ -428,8 +427,7 @@ PCIBus *dino_init(MemoryRegion *addr_space,
     *p_rtc_irq = qemu_allocate_irq(dino_set_timer_irq, s, 0);
     *p_ser_irq = qemu_allocate_irq(dino_set_serial_irq, s, 0);
 
-    pci_bus = PCI_BUS(qdev_get_child_bus(dev, "pci"));
-    return pci_bus;
+    return s;
 }
 
 static void dino_pcihost_reset(DeviceState *dev)
diff --git a/hw/hppa/hppa_sys.h b/hw/hppa/hppa_sys.h
index 9d8b28ec01..88773d2c35 100644
--- a/hw/hppa/hppa_sys.h
+++ b/hw/hppa/hppa_sys.h
@@ -9,8 +9,9 @@
 #include "hw/intc/i8259.h"
 
 #include "hppa_hardware.h"
+#include "dino.h"
 
-PCIBus *dino_init(MemoryRegion *, qemu_irq *, qemu_irq *);
+DinoState *dino_init(MemoryRegion *, qemu_irq *, qemu_irq *);
 DeviceState *lasi_init(MemoryRegion *);
 #define enable_lasi_lan()       0
 
diff --git a/hw/hppa/machine.c b/hw/hppa/machine.c
index 971d7ffcfe..94bc1b202a 100644
--- a/hw/hppa/machine.c
+++ b/hw/hppa/machine.c
@@ -17,6 +17,7 @@
 #include "hw/char/serial.h"
 #include "hw/net/lasi_82596.h"
 #include "hw/nmi.h"
+#include "dino.h"
 #include "hppa_sys.h"
 #include "qemu/units.h"
 #include "qapi/error.h"
@@ -126,7 +127,7 @@ static void machine_hppa_init(MachineState *machine)
     const char *kernel_filename = machine->kernel_filename;
     const char *kernel_cmdline = machine->kernel_cmdline;
     const char *initrd_filename = machine->initrd_filename;
-    DeviceState *dev;
+    DeviceState *dev, *dino_dev;
     PCIBus *pci_bus;
     ISABus *isa_bus;
     qemu_irq rtc_irq, serial_irq;
@@ -166,7 +167,8 @@ static void machine_hppa_init(MachineState *machine)
     lasi_init(addr_space);
 
     /* Init Dino (PCI host bus chip).  */
-    pci_bus = dino_init(addr_space, &rtc_irq, &serial_irq);
+    dino_dev = DEVICE(dino_init(addr_space, &rtc_irq, &serial_irq));
+    pci_bus = PCI_BUS(qdev_get_child_bus(dino_dev, "pci"));
     assert(pci_bus);
 
     /* Create ISA bus. */
-- 
2.20.1