linux-kernel - Re: [PATCH] clk: define and export __clk_get

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Message-ID: <44039675.8s16pHQIVH@wuerfel>
Date:	Wed, 25 Jun 2014 20:07:37 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	Peter De Schrijver <pdeschrijver@...dia.com>,
	linux-tegra@...r.kernel.org,
	Mike Turquette <mturquette@...aro.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] clk: define and export __clk_get_debug for providers

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@...dia.com>
> 

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?

	Arnd
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