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From: "Rafael J. Wysocki" <rafael@kernel.org>
Date: Fri, 16 Jun 2017 14:22:51 +0200
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Subject: Re: [PATCH v9 5/7] ACPI: Translate the I/O range of non-MMIO devices
 before scanning
To: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>,
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On Fri, Jun 16, 2017 at 2:00 PM, Mika Westerberg
<mika.westerberg@linux.intel.com> wrote:
> On Fri, Jun 16, 2017 at 01:24:32PM +0200, Rafael J. Wysocki wrote:
>> > In fact it may be that it is not sufficient in this case because the
>> > ACPI core might enumerate child devices before the LPC driver even gets
>> > a chance to probe so you would need to add also scan handler to the
>> > child devices and mark them already enumerated or something like that.
>>
>> Or extend the special I2C/SPI handling to them.
>
> Sure but those have I2c/SpiSerialBus() resources which we can use to
> identify them but for the ipmi thing there is nothing else than _HID so
> we would need to keep a list of such devices in ACPI core.

OK, so adding a scan handler for that would be the way to go IMO.