Re: [PATCH v6] clk: Add write operation for clk_parent debugfs node

[Fabio Estevam]

Hi Sam,

On Wed, Oct 13, 2021 at 2:20 PM Sam Protsenko
<semen.protsenko@xxxxxxxxxx> 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@xxxxxxxxxx>
> Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

This is useful, thanks:

Reviewed-by: Fabio Estevam <festevam@xxxxxxxxx>