linux-kernel - Re: [PATCH] clk: create write_enable file to control clk rate write and other dangerous ops permission

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Message-ID: <57d1f58c4c6cca793d629d5776b477d0.sboyd@kernel.org>
Date:   Wed, 11 Jan 2023 10:37:29 -0800
From:   Stephen Boyd <sboyd@...nel.org>
To:     Li Chen <me@...ux.beauty>,
        Michael Turquette <mturquette@...libre.com>
Cc:     Li Chen <lchen@...arella.com>, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] clk: create write_enable file to control clk rate write and other dangerous ops permission

Quoting Li Chen (2023-01-10 03:45:39)
> From: Li Chen <lchen@...arella.com>
> 
> It's common requirement for bsp debug/test to change clk rate from userspace.
> 
> Currently, we must define CLKOCK_ALLOW_WRITE_DEBUGFS then re-compile kernel
> to allow this feature. Let's replace it with a "write_enable" file to
> allow enable it at runtime.

Nak. This design is intentional.