Re: [PATCH 5/6] ACPI: Replace struct acpi_bus_ops with enum type

[Yinghai Lu]

On Mon, Dec 10, 2012 at 6:46 AM, Rafael J. Wysocki <rjw@xxxxxxx> wrote:
> On Sunday, December 09, 2012 09:34:42 PM Yinghai Lu wrote:
>>
>> Can we expand the BUS_ADD_* concept to other devices instead of just
>> acpi_device?
>>
>> aka we should let struct device has this add_type field.
>
> Having done that in ACPI to cover our use case here, we can try to move it
> into struct device if there are use cases beyond ACPI that can't be covered
> by using deferred driver probing.

pci device for hotplug have same problem. need to delay driver attach
for them too.

also BUS_ADD_MATCH and BUS_ADD_START are duplicated.

old add are separated to adding all devices to tree and then matching
work to load the drivers.

so _START is not needed anymore, only user.start in pci_root driver
should be removed.
code in .start could be moved .add without problem.
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