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Add common BusState

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Implement and use a common device bus state.  The main side-effect is
that creating a bus and attaching it to a parent device are no longer
separate operations.  For legacy code we allow a NULL parent, but that
should go away eventually.

Also tweak creation code to veriry theat a device in on the right bus.

Signed-off-by: Paul Brook <paul@codesourcery.com>
This commit is contained in:
Paul Brook 2009-05-23 00:05:19 +01:00
parent 4856fcff8a
commit 02e2da45c4
30 changed files with 229 additions and 135 deletions
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2
hw/musicpal.c
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@ -431,7 +431,7 @@ static i2c_interface *musicpal_audio_init(qemu_irq irq)
s->irq = irq;
i2c = qemu_mallocz(sizeof(i2c_interface));
i2c->bus = i2c_init_bus();
i2c->bus = i2c_init_bus(NULL, "i2c");
i2c->current_addr = -1;
s->wm = i2c_create_slave(i2c->bus, "wm8750", MP_WM_ADDR);