https://bugzilla.kernel.org/show_bug.cgi?id=74981

--- Comment #16 from David Lanzendörfer <[email protected]> ---
Hi

> Difficult to say
Hmm

> Clovertrail and its firmware were designed entirely for Windows. A lot of
> the platform hardware has no Linux driver of any kind. The ACPI also assumes
> you've got support for things like I2C opregions and the like. There are
> patches for that but they are not in the kernel yet.
When I enable the driver for baytrail gpio controller it detects an interrupt
flood on gpio 1,32,65 and 96.
So it manages to detect the gpio controller at least.

> You'd need to produce GPIO drivers, PMIC drivers, power management drivers,
> thermal management drivers etc to get it to actually work usefully.
> Basically its a wintendo not a PC in the usual sense.
David Cohen has already written most of these drivers, and there is already
support for clovertrail in chipidea, so USB should be detected, but the ACPI
pnp device never triggers the USB driver.
I doubt David Cohen would bring disfunctional drivers upstream, so there *has*
to be a bug somewhere else.

-David

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