linux-kernel - Re: [PATCH RFC] trafgen: xilinx: add axi traffic generator driver

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Date:	Mon, 15 Jul 2013 07:54:12 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Srikanth Thokala <srikanth.thokala@...inx.com>
Cc:	arnd@...db.de, rob.herring@...xeda.com,
	linux-kernel@...r.kernel.org, devicetree-discuss@...ts.ozlabs.org,
	grant.likely@...aro.org, Michal Simek <michal.simek@...inx.com>,
	Srikanth Thokala <sthokal@...inx.com>
Subject: Re: [PATCH RFC] trafgen: xilinx: add axi traffic generator driver

On Mon, Jul 15, 2013 at 05:09:48PM +0530, Srikanth Thokala wrote:
> This is the driver for AXI Traffic Generator IP. The AXI
> Traffic Generator IP is a core that stresses the AXI4
> interconnect and other AXI4 peripherals in the system.
> It generates a wide variety of AXI4 transactions based on
> the core programming.
> 
> Architecture of the core is broadly separated into a master
> and slave block, each of which contains the write block and
> read block. Other support functions are provided by the
> control registers and three internal RAMs - Master RAM,
> Command RAM, Parameter RAM. The initialisation sequence
> includes programming Command RAM with commands, data into
> Master RAM (optional Parameter RAM programming) and then
> enable master logic using control register interface.
> This sequence generates traffic to cores connected in the
> h/w design.
> 
> The driver for this IP is designed to be a module with
> sysfs interface.  All the control registers and internal
> RAMs can be accessed through sysfs interface.
> 
> NOTE: All the sysfs functions need to be documented
> as per kernel-doc format.

Please do that so we can properly understand the api you are creating
here.

thanks,

greg k-h
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