linux-kernel - Re: [PATCH v3 1/2] clk: ti: add of_ti_clk

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Date:   Wed, 9 Nov 2022 09:38:07 +0100
From:   Dario Binacchi <dario.binacchi@...rulasolutions.com>
To:     Tony Lindgren <tony@...mide.com>
Cc:     linux-kernel@...r.kernel.org, michael@...rulasolutions.com,
        Amarula patchwork <linux-amarula@...rulasolutions.com>,
        Allison Randal <allison@...utok.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Liang He <windhl@....com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Tero Kristo <kristo@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-clk@...r.kernel.org, linux-omap@...r.kernel.org
Subject: Re: [PATCH v3 1/2] clk: ti: add of_ti_clk_register() helper

Hi Tony,

On Wed, Nov 9, 2022 at 9:17 AM Tony Lindgren <tony@...mide.com> wrote:
>
> * Tony Lindgren <tony@...mide.com> [221109 08:06]:
> > * Dario Binacchi <dario.binacchi@...rulasolutions.com> [221106 17:36]:
> > > The ti_clk_register() function is always called with the parameter of
> > > type struct device set to NULL, since the functions from which it is
> > > called always have a parameter of type struct device_node. Adding this
> > > helper will allow you to register a TI clock to the common clock
> > > framework by taking advantage of the facilities provided by the
> > > struct device_node type.
> >
> > Makes sense to me.
> >
> > Do you have a patch to make use of this I can test with?
>
> I mean a patch to convert the ti_clk_register() callers to use this or
> what's your plan?

The first patch that calls this function is the second one in this
series "clk: ti: dra7-atl: don't allocate` parent_names' variable ".
Since I don't have the dra7 hardware, I have indirectly tested it on a
beaglebone (gate clock driver) board. To do this I also
had to add the of_ti_clk_register_omap_hw() helper. In the case of the
dra7-atl driver it was not necessary because the setup
function calls the ti_clk_register() directly.
If you think it makes sense, I can do 1 or more patches that replace
ti_clk_register() and ti_clk_register_omap_hw() with their
counterparts of_ti_clk_register[_omap_hw]. And I could test this
further series on the beaglebone board.

Thanks and regards,
Dario

>
> Regards,
>
> Tony



-- 

Dario Binacchi

Embedded Linux Developer

dario.binacchi@...rulasolutions.com

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