Messages in this thread | | | From | Geert Uytterhoeven <> | Date | Wed, 13 Oct 2021 15:00:42 +0200 | Subject | Re: [PATCH v5] clk: Add write operation for clk_parent debugfs node |
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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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