Re: [PATCHv2 2/2] ACPI/platform: Add ACPI ID for Intel MBI device

[David E. Box]

On Wed, Dec 04, 2013 at 02:21:30AM +0000, Matthew Garrett wrote:
> On Tue, Dec 03, 2013 at 06:17:03PM -0800, David E. Box wrote:
> > This is per the requirement in Documentation/acpi/enumeration.txt:
> > 
> > "Currently the kernel is not able to automatically determine from which ACPI
> > device it should make the corresponding platform device so we need to add
> > the ACPI device explicitly to acpi_platform_device_ids list defined in
> > drivers/acpi/acpi_platform.c"
> 
> Well sure, but why do you need to be a platform device at all? This 
> functionality was intended for cases where we already have a driver for 
> the part that enumerated it via some other mechanism. If the driver's 
> only intended for ACPI systems then why not just be an ACPI device?
> 

It was my understanding that with ACPI 5.0 it was becoming more common to use
ACPI ID's exclusively for device enumeration. I originally wrote this as an
acpi_bus driver but Rafeal advised me that the model is being phased out and
suggeted the platform model instead.

> -- 
> Matthew Garrett | mjg59@xxxxxxxxxxxxx
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