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Date:	Wed, 4 Dec 2013 02:21:30 +0000
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	"David E. Box" <david.e.box@...ux.intel.com>
Cc:	rjw@...ysocki.net, linux-kernel@...r.kernel.org,
	platform-driver-x86@...r.kernel.org, linux-acpi@...r.kernel.org
Subject: Re: [PATCHv2 2/2] ACPI/platform: Add ACPI ID for Intel MBI device

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?

-- 
Matthew Garrett | mjg59@...f.ucam.org
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