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isa: QOM'ify isa_bus_from_device()

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DeviceState::parent_bus is document as private and should be accessed
through qdev_get_parent_bus(). Use a DEVICE() cast instead of accessing
ISADevice's qdev field directly. Use ISA_BUS() in place of DO_UPCAST().

Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Andreas Färber 2013-01-20 18:56:18 +01:00 committed by Anthony Liguori
parent 8aae84a1f2
commit 3e7b8f4e6f
1 changed files with 1 additions and 1 deletions
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2
hw/isa.h
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@ -82,7 +82,7 @@ void isa_register_portio_list(ISADevice *dev, uint16_t start,
static inline ISABus *isa_bus_from_device(ISADevice *d)
{
return DO_UPCAST(ISABus, qbus, d->qdev.parent_bus);
return ISA_BUS(qdev_get_parent_bus(DEVICE(d)));
}
extern hwaddr isa_mem_base;