linux-kernel - Re: [PATCH v6] clk: Add write operation for clk

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Message-Id: <20211201205206.BD5AFC53FD3@smtp.kernel.org>
Date:   Wed, 01 Dec 2021 12:52:05 -0800
From:   Stephen Boyd <sboyd@...nel.org>
To:     Michael Turquette <mturquette@...libre.com>,
        Sam Protsenko <semen.protsenko@...aro.org>
Cc:     Russell King <linux@...linux.org.uk>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Mike Tipton <mdtipton@...eaurora.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Andy Shevchenko <andy@...nel.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        linux-clk <linux-clk@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Fabio Estevam <festevam@...il.com>
Subject: Re: [PATCH v6] clk: Add write operation for clk_parent debugfs node

Quoting Michael Turquette (2021-11-23 09:43:55)
> On Mon, Nov 22, 2021 at 10:03 AM Sam Protsenko
> <semen.protsenko@...aro.org> wrote:
> >
> > On Tue, 19 Oct 2021 at 16:32, Sam Protsenko <semen.protsenko@...aro.org> wrote:
> > >
> > > On Wed, 13 Oct 2021 at 21:04, Fabio Estevam <festevam@...il.com> wrote:
> > > >
> > > > Hi Sam,
> > > >
> > > > On Wed, Oct 13, 2021 at 2:20 PM Sam Protsenko
> > > > <semen.protsenko@...aro.org> wrote:
> > > > >
> > > > > Useful for testing mux clocks. One can write the index of the parent to
> > > > > be set into clk_parent node, starting from 0. Example
> > > > >
> > > > >     # cd /sys/kernel/debug/clk/mout_peri_bus
> > > > >     # cat clk_possible_parents
> > > > >       dout_shared0_div4 dout_shared1_div4
> > > > >     # cat clk_parent
> > > > >       dout_shared0_div4
> > > > >     # echo 1 > clk_parent
> > > > >     # cat clk_parent
> > > > >       dout_shared1_div4
> > > > >
> > > > > CLOCK_ALLOW_WRITE_DEBUGFS has to be defined in drivers/clk/clk.c in
> > > > > order to use this feature.
> > > > >
> > > > > Signed-off-by: Sam Protsenko <semen.protsenko@...aro.org>
> > > > > Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>
> > > > > Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
> > > >
> > > > This is useful, thanks:
> > > >
> > > > Reviewed-by: Fabio Estevam <festevam@...il.com>
> > >
> > > Hi Michael, Stephen,
> > >
> > > If there are no outstanding comments, can you please take this one?
> > >
> >
> > Bump.
> 
> Looks good to me.
> 
> Acked-by: Michael Turquette <mturquette@...libre.com>
> 
> Stephen, can you take it into your tree?

Sure thing.