linux-kernel - Re: [V3 PATCH 1/2] ACPI / scan: Add support for ACPI

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Message-ID: <20150208233628.GA8354@kroah.com>
Date:	Mon, 9 Feb 2015 07:36:28 +0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:	Suravee Suthikulpanit <Suravee.Suthikulpanit@....com>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	lenb@...nel.org, hdegoede@...hat.com, tj@...nel.org, arnd@...db.de,
	mjg59@...f.ucam.org, grant.likely@...aro.org,
	hanjun.guo@...aro.org, al.stone@...aro.org,
	graeme.gregory@...aro.org, leo.duran@....com,
	linux-ide@...r.kernel.org, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org, linaro-acpi@...ts.linaro.org,
	Lv Zheng <lv.zheng@...el.com>
Subject: Re: [V3 PATCH 1/2] ACPI / scan: Add support for ACPI _CLS device
 matching

On Mon, Feb 09, 2015 at 12:02:43AM +0100, Rafael J. Wysocki wrote:
> On Monday, February 09, 2015 12:20:03 AM Suravee Suthikulpanit wrote:
> > Device drivers typically use ACPI _HIDs/_CIDs listed in struct device_driver
> > acpi_match_table to match devices. However, for generic drivers, we do
> > not want to list _HID for all supported devices, and some device classes
> > do not have _CID (e.g. SATA, USB). Instead, we can leverage ACPI _CLS,
> > which specifies PCI-defined class code (i.e. base-class, subclass and
> > programming interface).
> > 
> > This patch adds support for matching ACPI devices using the _CLS method.
> > 
> > Signed-off-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@....com>
> 
> Greg, Mika, any problems with this?

None from me:

Acked-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
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