netdev - Re: [PATCH 2/4] misc: xgene: Add base driver for APM X-Gene SoC Queue Manager/Traffic Manager

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Date:	Thu, 19 Dec 2013 19:21:33 -0800
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Ravi Patel <rapatel@....com>
Cc:	arnd@...db.de, davem@...emloft.net, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, jcm@...hat.com,
	patches@....com, Keyur Chudgar <kchudgar@....com>
Subject: Re: [PATCH 2/4] misc: xgene: Add base driver for APM X-Gene SoC
 Queue Manager/Traffic Manager

On Thu, Dec 19, 2013 at 06:45:01PM -0800, Ravi Patel wrote:
> This patch adds APM X-Gene SoC Queue Manager/Traffic Manager base driver.
>  QMTM is requried by Ethernet, PktDMA and Security Engine subsystems.

How does this driver talk to userspace?  Or is it just a "bus" for
devices to attach to and use to talk to the real devices in the system?
If so, why isn't it represented in the driver model?

thanks,

greg k-h
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