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From: Peter De Schrijver <pdeschrijver-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
To: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
Cc: "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
	<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
	"linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Mike Turquette
	<mturquette-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH] clk: define and export __clk_get_debug for providers
Date: Thu, 26 Jun 2014 13:49:09 +0300	[thread overview]
Message-ID: <20140626104909.GD3679@tbergstrom-lnx.Nvidia.com> (raw)
In-Reply-To: <44039675.8s16pHQIVH@wuerfel>

On Wed, Jun 25, 2014 at 08:07:37PM +0200, Arnd Bergmann wrote:
> On Wednesday 25 June 2014 19:26:31 Peter De Schrijver wrote:
> > Define and export a new function __clk_get_debug which returns the debugfs
> > directory entry pointer. This can be used by clock providers to add debugfs
> > entries which are not related to a specific clock type. Examples include the
> > ability to measure the rate of a clock. It can also be used by modules to
> > create new debugfs entries. This is useful if you want to expose features
> > for testing which can potentially cause system instability such as allowing
> > to change a clock's rate from userspace.
> > 
> > Signed-off-by: Peter De Schrijver <pdeschrijver-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
> > 
> 
> Just an idea, but would it be better to add a pair of functions to add/remove
> debugfs files rather than exposing the dentry itself?
> 

Ok. Will do that.

Cheers,

Peter.

  parent reply	other threads:[~2014-06-26 10:49 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-25 16:26 [PATCH] clk: define and export __clk_get_debug for providers Peter De Schrijver
2014-06-25 18:07 ` Arnd Bergmann
2014-06-25 18:23   ` Mike Turquette
2014-06-26  7:37     ` Tomeu Vizoso
     [not found]       ` <CAAObsKDVrXRgO1e2=SorGiNUMhGPCCUUPtsjDfnST9gFN4=qTQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-06-26 22:11         ` Mike Turquette
2014-06-26 10:32     ` Peter De Schrijver
2014-06-26 10:49   ` Peter De Schrijver [this message]
  -- strict thread matches above, loose matches on Subject: below --
2014-06-26 13:22 Peter De Schrijver
     [not found] ` <1403788921-7963-1-git-send-email-pdeschrijver-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2014-06-26 15:00   ` Peter De Schrijver
2014-06-25 15:20 Peter De Schrijver

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