linux-kernel - Re: [PATCH 1/9 v2] coresight: add CoreSight core layer framework

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Message-ID: <53B141B9.2060401@de.bosch.com>
Date:	Mon, 30 Jun 2014 12:53:45 +0200
From:	Dirk Behme <dirk.behme@...bosch.com>
To:	<mathieu.poirier@...aro.org>
CC:	<linus.walleij@...aro.org>, <will.deacon@....com>,
	<linux@....linux.org.uk>, <daniel.thompson@...aro.org>,
	<robherring2@...il.com>, <robbelibobban@...il.com>,
	<Al.Grant@....com>, <patches@...aro.org>,
	<marcin.jabrzyk@...il.com>, <linux-kernel@...r.kernel.org>,
	<arnd@...aro.org>, <panchaxari.prasannamurthy@...aro.org>,
	<r.sengupta@...sung.com>, <arve@...roid.com>,
	<Tony.Armitstead@....com>, <john.stultz@...aro.org>,
	<linux-arm-kernel@...ts.infradead.org>, <james.king@...aro.org>,
	<pratikp@...eaurora.org>, <varshney@...com>,
	<jonas.svennebring@...gotech.com>
Subject: Re: [PATCH 1/9 v2] coresight: add CoreSight core layer framework

On 27.06.2014 20:04, mathieu.poirier@...aro.org wrote:
> From: Pratik Patel <pratikp@...eaurora.org>
>
> CoreSight components are compliant with the ARM CoreSight
> architecture specification and can be connected in various
> topologies to suite a particular SoCs tracing needs. These trace
> components can generally be classified as sources, links and
> sinks. Trace data produced by one or more sources flows through
> the intermediate links connecting the source to the currently
> selected sink.
>
> CoreSight framework provides an interface for the CoreSight trace
> drivers to register themselves with. It's intended to build up a
> topological view of the CoreSight components and configure the
> right series of components on user input via debugfs.
>
> For eg., when enabling a source, framework builds up a path
> consisting of all the components connecting the source to the
> currently selected sink and enables all of them.
>
> Framework also supports switching between available sinks and
> also provides status information to user space applications
> through the debugfs interface.
>
> Signed-off-by: Pratik Patel <pratikp@...eaurora.org>
> Signed-off-by: Panchaxari Prasannamurthy <panchaxari.prasannamurthy@...aro.org>
> Signed-off-by: Mathieu Poirier <mathieu.poirier@...aro.org>
> ---
>   .../devicetree/bindings/arm/coresight.txt          | 141 +++++
>   drivers/Kconfig                                    |   2 +

I wonder if

arch/arm/Kconfig.debug

wouldn't be better place for this?

Best regards

Dirk
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