Re: [PATCH v9 5/7] ACPI: Translate the I/O range of non-MMIO devices before scanning

From: Rafael J. Wysocki
Date: Fri Jun 16 2017 - 08:23:01 EST

On Fri, Jun 16, 2017 at 2:00 PM, Mika Westerberg
<mika.westerberg@xxxxxxxxxxxxxxx> 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.