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Date:	Mon, 10 Nov 2014 20:32:08 +0100
From:	Paul Bolle <pebolle@...cali.nl>
To:	Mathieu Poirier <mathieu.poirier@...aro.org>
Cc:	Valentin Rothberg <valentinrothberg@...il.com>,
	Greg KH <gregkh@...uxfoundation.org>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Pratik Patel <pratikp@...eaurora.org>,
	Vikas Varshney <varshney@...com>, Al Grant <Al.Grant@....com>,
	Jonas Svennebring <jonas.svennebring@...gotech.com>,
	James King <james.king@...aro.org>,
	Kaixu Xia <kaixu.xia@...aro.org>,
	Marcin Jabrzyk <marcin.jabrzyk@...il.com>,
	"r.sengupta@...sung.com" <r.sengupta@...sung.com>,
	trollkarlen Marklund <robbelibobban@...il.com>,
	Patch Tracking <patches@...aro.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v9 07/12] coresight-etm: add CoreSight ETM/PTM driver

On Mon, 2014-11-10 at 08:40 -0700, Mathieu Poirier wrote:
> On 10 November 2014 03:34, Paul Bolle <pebolle@...cali.nl> wrote:
> > On Mon, 2014-11-03 at 11:07 -0700, mathieu.poirier@...aro.org wrote:
> >> +#ifdef CONFIG_CORESIGHT_SOURCE_ETM_DEFAULT_ENABLE
> >
> > There's no Kconfig symbol CORESIGHT_SOURCE_ETM_DEFAULT_ENABLE. Neither
> > is there a preprocessor definition of this macro. So why was this
> > added?
> 
> Correct - the feature (as we really want it) is currently being worked
> on but not yet part of the code base.  The default option probably
> should have been removed but it doesn't do much else when mandating
> one to add a boot option on the kernel cmd line.

I'm afraid I'm not sure what you mean here. Anyhow, using a Kconfig
symbol to set a default for something that can also be set through a
kernel parameter might be considered overdoing it. But that's not for me
to decide.

Unless the patch that adds this Kconfig symbol takes a long time to land
in linux-next, I won't be bothering you again.

Thanks,


Paul Bolle

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