linux-kernel - Re: [PATCH RFC] clk: Introduce userspace clock driver

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Date:	Thu, 16 May 2013 19:21:22 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Saravana Kannan <skannan@...eaurora.org>
Cc:	Mike Turquette <mturquette@...aro.org>,
	Emilio López <emilio@...pez.com.ar>,
	Sören Brinkmann <soren.brinkmann@...inx.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH RFC] clk: Introduce userspace clock driver

On Wed, May 15, 2013 at 09:23:03PM -0700, Saravana Kannan wrote:
> On 05/11/2013 07:21 AM, Mark Brown wrote:

> >It's much harder when it's in the standard kernel and there's no contact
> >with some of the users.  I've pushed back pretty strongly on some of
> >your equivalent stuff for regulators for this reason.

> Agreed. I don't really keep up with what's going on with the MSM regulators.

> But at some point, I'll start requesting for this for debugfs. It's
> terribly handy to debug power issues, run unit tests and for debug
> sessions (debugfs. So, clearly!).

Sure, it's handy for debugging - but it's also far too handy for writing
silly things in userspace which isn't something we want to encourage.

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