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

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Date:	Fri, 13 Mar 2015 21:42:14 +0800
From:	Shawn Guo <shawn.guo@...aro.org>
To:	Sebastian Andrzej Siewior <sebastian@...akpoint.cc>
Cc:	Stephen Boyd <sboyd@...eaurora.org>,
	Quentin Lambert <lambert.quentin@...il.com>,
	Mike Turquette <mturquette@...aro.org>,
	Julia Lawall <julia.lawall@...6.fr>,
	Paul Walmsley <paul@...an.com>,
	Tomeu Vizoso <tomeu.vizoso@...labora.com>,
	Tony Lindgren <tony@...mide.com>, linux-kernel@...r.kernel.org,
	t-kristo@...com, linux-omap@...r.kernel.org, cocci@...teme.lip6.fr,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [Cocci] [PATCH v13 3/6] clk: Make clk API return per-user struct
 clk instances

On Fri, Mar 13, 2015 at 09:20:10AM +0100, Sebastian Andrzej Siewior wrote:
> Hi Shawn,
> 
> On Fri, Mar 13, 2015 at 11:29:32AM +0800, Shawn Guo wrote:
> 
> > We did not add a DT property for it, because there was already enough
> > info (clock configuration) in DT for kernel to figure it out.
> Correct. My understanding is whatever can be figured out without DT should
> be done that way.
> 
> Is there a way to get this clock-select bit set without
> enable_fec_anatop_clock() in u-boot? Because this one selects the clock and
> frequency and also sets the proper bit in gpr1. My question is simply why do
> we need to do this here as well.

I'm not sure I follow your question.  But we had been doing this setup
in kernel function imx6q_1588_init() for a while.  The problem we're
having now is that the clk core change broke it since v4.0-rc1.  And the
fix is already queued there [1].

Shawn

[1] https://git.kernel.org/cgit/linux/kernel/git/clk/linux.git/log/?h=clk-fixes
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