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

From: Alexandre Belloni
Date: Thu Aug 16 2018 - 07:48:07 EST


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