Re: [PATCH] ACPI: bus.c: Let acpi_device_get_match_data() return DT compatibility data

From: Andy Shevchenko
Date: Tue Jul 03 2018 - 18:31:32 EST

On Wed, Jul 4, 2018 at 12:31 AM, Andy Shevchenko
<andy.shevchenko@xxxxxxxxx> wrote:
> On Tue, Jul 3, 2018 at 9:09 AM, Nikolaus Voss
> <nikolaus.voss@xxxxxxxxxxxxxxxxxxxxx> wrote:
>> When using ACPI with ACPI_DT_NAMESPACE_HID/ PRP0001 HID and referring to
>> of_device_id table "compatible" strings in DSD, a pointer to the
>> corresponding DT table entry should be returned instead of a null
>> pointer. An acpi_device_id match still takes precedence.
> I'm not sure what you are trying to achieve here.
> This works solely for ACPI case.

Okay, now, after a bit of browsing sources, I got your problem.
Indeed, we have acpi_of_match_device() which returns matched OF item,
but no caller is interested in it...

With Best Regards,
Andy Shevchenko