Messages in this thread | | | From | Fabio Estevam <> | Date | Wed, 13 Oct 2021 15:04:33 -0300 | Subject | Re: [PATCH v6] clk: Add write operation for clk_parent debugfs node |
| |
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 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>
This is useful, thanks:
Reviewed-by: Fabio Estevam <festevam@gmail.com>
| |