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Subject: Re: [PATCH v6] clk: Add write operation for clk_parent debugfs node
From:   Stephen Boyd <sboyd@kernel.org>
Cc:     Russell King <linux@armlinux.org.uk>,
        Chanwoo Choi <cw00.choi@samsung.com>,
        Sylwester Nawrocki <s.nawrocki@samsung.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>,
        Mike Tipton <mdtipton@codeaurora.org>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Andy Shevchenko <andy@kernel.org>,
        Geert Uytterhoeven <geert@linux-m68k.org>,
        linux-clk <linux-clk@vger.kernel.org>,
        linux-kernel <linux-kernel@vger.kernel.org>,
        Fabio Estevam <festevam@gmail.com>
To:     Michael Turquette <mturquette@baylibre.com>,
        Sam Protsenko <semen.protsenko@linaro.org>
Date:   Wed, 01 Dec 2021 12:52:05 -0800
User-Agent: alot/0.9.1
Message-Id: <20211201205206.BD5AFC53FD3@smtp.kernel.org>
Precedence: bulk

Quoting Michael Turquette (2021-11-23 09:43:55)
> On Mon, Nov 22, 2021 at 10:03 AM Sam Protsenko
> <semen.protsenko@linaro.org> wrote:
> >
> > On Tue, 19 Oct 2021 at 16:32, Sam Protsenko <semen.protsenko@linaro.org=
> wrote:
> > >
> > > On Wed, 13 Oct 2021 at 21:04, Fabio Estevam <festevam@gmail.com> wrot=
e:
> > > >
> > > > Hi Sam,
> > > >
> > > > On Wed, Oct 13, 2021 at 2:20 PM Sam Protsenko
> > > > <semen.protsenko@linaro.org> wrote:
> > > > >
> > > > > Useful for testing mux clocks. One can write the index of the par=
ent 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@linaro.org>
> > > > > Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
> > > > > Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
> > > >
> > > > This is useful, thanks:
> > > >
> > > > Reviewed-by: Fabio Estevam <festevam@gmail.com>
> > >
> > > Hi Michael, Stephen,
> > >
> > > If there are no outstanding comments, can you please take this one?
> > >
> >
> > Bump.
>=20
> Looks good to me.
>=20
> Acked-by: Michael Turquette <mturquette@baylibre.com>
>=20
> Stephen, can you take it into your tree?

Sure thing.