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    SubjectRe: [PATCH V7 08/11] ACPI: always register memory hotplug scan handler even if CONFIG_X86_INTEL_LPSS is cleared
    On Mon, May 26, 2014 at 01:53:39PM +0200, Rafael J. Wysocki wrote:
    > > I'm wondering whether it is worth the ugliness to get platform bus
    > > enumeration the default?
    > >
    > > Since you already have the PNP whitelist, can't we just use that for PNP
    > > and keep these files as they are? In other words, don't make any kind of
    > > physical device by default and let the scan handlers to decide.
    >
    > Well, that's tempting, but then we'd get one more whitelist pretty much without
    > any benefit, because we'd be still going to have the list in acpi_platform.c.
    >
    > The purpose of the whole exercise is not to prevent PNP devices from being
    > created by default (which admittedly is a nice side effect), but to get rid
    > of the white list in acpi_platform.c - and in particular, to avoid the
    > necessity to add every ACPI-enumerated platform device to that list in the
    > future.

    Yes, I understand but that list currently has only 5 entries. Are
    we expecting to have much more entries there in the future?

    For LPSS devices we can't get rid of the list since we need to pass
    ->driver_data based on the _HID anyway.


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