linux-kernel - Re: [PATCH v13 3/6] clk: Make clk API return per-user struct clk instances

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Date:	Fri, 06 Feb 2015 11:41:22 -0800
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
CC:	Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Tomeu Vizoso <tomeu.vizoso@...labora.com>,
	Paul Walmsley <paul@...an.com>,
	Tony Lindgren <tony@...mide.com>, linux-kernel@...r.kernel.org,
	Mike Turquette <mturquette@...aro.org>,
	linux-omap@...r.kernel.org,
	Javier Martinez Canillas <javier.martinez@...labora.co.uk>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v13 3/6] clk: Make clk API return per-user struct clk
 instances

On 02/06/15 11:37, Russell King - ARM Linux wrote:
> On Fri, Feb 06, 2015 at 11:30:18AM -0800, Stephen Boyd wrote:
>> Why don't we make the legacy lookup more specific and actually indicate
>> "internal" for the con_id? Then the external clock would fail to be
>> found, but we can detect that case and figure out that it's not due to
>> probe defer, but instead due to the fact that there really isn't any
>> mapping. It looks like the code is already prepared for this anyway.
> We _could_, and that would solve this specific issue, but I'd suggest
> coccinelle is used to locate any other similar instances of this.
>
> As I'm allergic to coccinelle (or coccinelle is allergic to me since
> I never seem to be able to get it to do what I want...)
>

Great. I'd like to avoid adding clk_equal() until we actually need it,
and I hope we don't ever need it. We've already got coccinelle in the
works to find similar issues and it seems you and I have the same
allergies because I can't get it to work for me right now.

-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project

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