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hw/isa/piix4: Factor out ISABus retrieval from piix4_create() 

Modernizes the code.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220603185045.143789-6-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This commit is contained in:
Bernhard Beschow 2022-06-03 20:50:39 +02:00 committed by Philippe Mathieu-Daudé
parent c397a2d3e4
commit e3d198eed1
3 changed files with 4 additions and 7 deletions
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6
hw/isa/piix4.c
View File

@ -312,7 +312,7 @@ static void piix4_register_types(void)
type_init(piix4_register_types)
DeviceState *piix4_create(PCIBus *pci_bus, ISABus **isa_bus, I2CBus **smbus)
DeviceState *piix4_create(PCIBus *pci_bus, I2CBus **smbus)
{
PCIDevice *pci;
DeviceState *dev;
@ -322,10 +322,6 @@ DeviceState *piix4_create(PCIBus *pci_bus, ISABus **isa_bus, I2CBus **smbus)
TYPE_PIIX4_PCI_DEVICE);
dev = DEVICE(pci);
if (isa_bus) {
*isa_bus = ISA_BUS(qdev_get_child_bus(dev, "isa.0"));
}
if (smbus) {
pci = pci_new(devfn + 3, TYPE_PIIX4_PM);
qdev_prop_set_uint32(DEVICE(pci), "smb_io_base", 0x1100);

3
hw/mips/malta.c
View File

@ -1399,7 +1399,8 @@ void mips_malta_init(MachineState *machine)
empty_slot_init("GT64120", 0, 0x20000000);
/* Southbridge */
dev = piix4_create(pci_bus, &isa_bus, &smbus);
dev = piix4_create(pci_bus, &smbus);
isa_bus = ISA_BUS(qdev_get_child_bus(dev, "isa.0"));
/* Interrupt controller */
qdev_connect_gpio_out_named(dev, "intr", 0, i8259_irq);

2
include/hw/southbridge/piix.h
View File

@ -70,6 +70,6 @@ DECLARE_INSTANCE_CHECKER(PIIX3State, PIIX3_PCI_DEVICE,
PIIX3State *piix3_create(PCIBus *pci_bus, ISABus **isa_bus);
DeviceState *piix4_create(PCIBus *pci_bus, ISABus **isa_bus, I2CBus **smbus);
DeviceState *piix4_create(PCIBus *pci_bus, I2CBus **smbus);
#endif