linux-kernel - Re: [PATCH 00/16] clk: at91: Rework DT bindings

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Message-ID: <20180816114755.GH21707@piout.net>
Date:   Thu, 16 Aug 2018 13:47:55 +0200
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     Stephen Boyd <sboyd@...nel.org>
Cc:     Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        Michael Turquette <mturquette@...libre.com>,
        linux-kernel@...r.kernel.org,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 00/16] clk: at91: Rework DT bindings

On 27/07/2018 10:03:22-0700, Stephen Boyd wrote:
> Quoting Alexandre Belloni (2018-07-17 15:27:41)
> > This is the promised rework of the at91 PMC clocks driver. It is mainly
> > necessary to remove the DTC warnings but it also complies with the CCF
> > rule that there should be one node per controller instead of one node
> > per clock.
> > 
> > This only handles the PMC, I'm planning to also rework the SCKC bindings
> > later (without breaking the DT ABI).
> > 
> > The series is based on top of clk-next plus at91-dt so I don't think it
> > is convenient to have it this cycle. However, I would really like to
> > ensure we agree on the new bindings this cycle before converting all the
> > other platforms as this is a bit tedious.
> > 
> > The first two patches are actually fixes and may be considered for this
> > cycle.
> > 
> > One nice note:
> > at91-sama5d2_xplained.dtb goes from 29351 bytes to 22082 bytes
> 
> Patches look mostly good. Rob is happy with the bindings and so am I.
> 
> One general question is why the drivers can't be moved to real platform
> drivers instead of using OF_CLK_DECLARE?
> 

I tried, this makes the clocksource drivers fail with -EPROBE_DEFER and
so the kernel just stops there.

-- 
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com