linux-kernel - Re: [PATCH 2/2] ACPI / scan: Make container driver use struct acpi_scan

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Message-ID: <CAE9FiQW6BDpSjNjbinHEkpud2QqQOqskkXca6z+Fq0fo+=pKyQ@mail.gmail.com>
Date:	Thu, 7 Feb 2013 19:32:22 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	Matthew Garrett <matthew.garrett@...ula.com>,
	Jiang Liu <liuj97@...il.com>, Toshi Kani <toshi.kani@...com>,
	LKML <linux-kernel@...r.kernel.org>,
	Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com>
Subject: Re: [PATCH 2/2] ACPI / scan: Make container driver use struct acpi_scan_handler

On Thu, Feb 7, 2013 at 4:27 PM, Rafael J. Wysocki <rjw@...k.pl> wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
>
> Make the ACPI container driver use struct acpi_scan_handler for
> representing the object used to initialize ACPI containers and remove
> the ACPI driver structure used previously and the data structures
> created by it, since in fact they were not used for any purpose.
>
> This simplifies the code and reduces the kernel's memory footprint by
> avoiding the registration of a struct device_driver object with the
> driver core and creation of its sysfs directory which is unnecessary.
>
> In addition to that, make the namespace walk callback used for
> installing the notify handlers for ACPI containers more
> straightforward.
>
> This change includes fixes from Toshi Kani.
>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

Yes, container support should be built-in by nature.

Acked-by: Yinghai Lu <yinghai@...nel.org>

What is the next?

dock?

Hope someone with access of dock that have pcie devices could help
sorting it out...

Thanks

Yinghai
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