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SubjectRe: [PATCH v5] clk: Add write operation for clk_parent debugfs node
On Thu, Oct 7, 2021 at 8:22 PM Sam Protsenko <semen.protsenko@linaro.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@linaro.org>
> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds

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