Re: [PATCH 0/4] ACPI: kill acpi_pci_root_start

[Yinghai Lu]

On Thu, Oct 4, 2012 at 12:44 PM, Bjorn Helgaas <bhelgaas@xxxxxxxxxx> wrote:
>
> To answer your specific question, yes, I do think drivers that are
> statically built in probably should be registered before devices are
> enumerated.  That way, the boot-time case is more similar to the
> hot-add case.
>
> Obviously, for drivers that can be modules, the reverse must work as
> well (enumerate devices, then load and register the driver).  And then
> the other order (register driver, then enumerate device) must also
> work so future hot-adds of the same device type work.

so you will have to handle two paths instead one.

current booting path sequence are tested more than hot add path.
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