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hw/isa/piix4: Convert reset handler to DeviceReset 

The PIIX4/ISA is a PCI device within the PIIX4 chipset, it will be reset
when the PCI bus it stands on is reset.

Convert its reset handler into a proper Device reset method.

Reviewed-by: Li Qiang <liq3ea@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20191010131527.32513-3-philmd@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Philippe Mathieu-Daudé 2019-10-10 15:15:21 +02:00 committed by Eduardo Habkost
parent 217e8ef9c9
commit fd52c20f2c
1 changed files with 3 additions and 4 deletions
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7
hw/isa/piix4.c
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@ -28,7 +28,6 @@
#include "hw/isa/isa.h" #include "hw/isa/isa.h"
#include "hw/sysbus.h" #include "hw/sysbus.h"
#include "migration/vmstate.h" #include "migration/vmstate.h"
#include "sysemu/reset.h"
PCIDevice *piix4_dev; PCIDevice *piix4_dev;
@ -40,9 +39,9 @@ typedef struct PIIX4State {
#define PIIX4_PCI_DEVICE(obj) \ #define PIIX4_PCI_DEVICE(obj) \
OBJECT_CHECK(PIIX4State, (obj), TYPE_PIIX4_PCI_DEVICE) OBJECT_CHECK(PIIX4State, (obj), TYPE_PIIX4_PCI_DEVICE)
static void piix4_reset(void *opaque) static void piix4_isa_reset(DeviceState *dev)
{ {
PIIX4State *d = opaque; PIIX4State *d = PIIX4_PCI_DEVICE(dev);
uint8_t *pci_conf = d->dev.config; uint8_t *pci_conf = d->dev.config;
pci_conf[0x04] = 0x07; // master, memory and I/O pci_conf[0x04] = 0x07; // master, memory and I/O
@ -97,7 +96,6 @@ static void piix4_realize(PCIDevice *dev, Error **errp)
return; return;
} }
piix4_dev = &d->dev; piix4_dev = &d->dev;
qemu_register_reset(piix4_reset, d);
} }
int piix4_init(PCIBus *bus, ISABus **isa_bus, int devfn) int piix4_init(PCIBus *bus, ISABus **isa_bus, int devfn)
@ -118,6 +116,7 @@ static void piix4_class_init(ObjectClass *klass, void *data)
k->vendor_id = PCI_VENDOR_ID_INTEL; k->vendor_id = PCI_VENDOR_ID_INTEL;
k->device_id = PCI_DEVICE_ID_INTEL_82371AB_0; k->device_id = PCI_DEVICE_ID_INTEL_82371AB_0;
k->class_id = PCI_CLASS_BRIDGE_ISA; k->class_id = PCI_CLASS_BRIDGE_ISA;
dc->reset = piix4_isa_reset;
dc->desc = "ISA bridge"; dc->desc = "ISA bridge";
dc->vmsd = &vmstate_piix4; dc->vmsd = &vmstate_piix4;
/* /*