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.