Re: [PATCH v2 3/5] ACPI / bus: Switch to use new generic UUID API

From: Rafael J. Wysocki
Date: Mon Jun 05 2017 - 16:38:07 EST


On Mon, Jun 5, 2017 at 6:20 PM, Andy Shevchenko
<andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
> On Mon, 2017-06-05 at 18:03 +0200, Christoph Hellwig wrote:
>> > + in_params[0].buffer.pointer = (u8 *)&guid;
>>
>> Any idea why the pointer is defined as a u8 * in union acpi_object
>> instead of a void?
>
> I guess this question to Rafael.

That data type is defined in upstream ACPICA and the reason why it is
defined the way it is has something to do with history I suppose.

Thanks,
Rafael