Re: [PATCH] clk: define and export __clk_get_debug for providers

From: Arnd Bergmann
Date: Wed Jun 25 2014 - 14:08:30 EST


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@xxxxxxxxxx>
>

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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