linux-kernel - Re: [PATCH v4 03/11] drivers: base: add cpu_device

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Date:	Fri, 19 Sep 2014 15:23:40 -0700
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	Sudeep Holla <sudeep.holla@....com>,
	LKML <linux-kernel@...r.kernel.org>
CC:	Heiko Carstens <heiko.carstens@...ibm.com>,
	Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	David Herrmann <dh.herrmann@...il.com>,
	Kay Sievers <kay@...y.org>
Subject: Re: [PATCH v4 03/11] drivers: base: add cpu_device_create to support
 per-cpu devices

On 09/03/14 10:00, Sudeep Holla wrote:
> From: Sudeep Holla <sudeep.holla@....com>
>
> This patch adds a new function to create per-cpu devices.
> This helps in:
> 1. reusing the device infrastructure to create any cpu related
>    attributes and corresponding sysfs instead of creating and
>    dealing with raw kobjects directly
> 2. retaining the legacy path(/sys/devices/system/cpu/..) to support
>    existing sysfs ABI
> 3. avoiding to create links in the bus directory pointing to the
>    device as there would be per-cpu instance of these devices with
>    the same name since dev->bus is not populated to cpu_sysbus on
>    purpose
>
> Signed-off-by: Sudeep Holla <sudeep.holla@....com>
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Cc: David Herrmann <dh.herrmann@...il.com>
> Cc: Kay Sievers <kay@...y.org>
>

Tested-by: Stephen Boyd <sboyd@...eaurora.org>

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