[PATCH v6 02/11] clk: sunxi-ng: nkm: consider alternative parent rates when determining rate

[Chen-Yu Tsai]

On Mon, Aug 7, 2023 at 8:44 PM Frank Oltmanns <frank at oltmanns.dev> wrote:
>
> In case the CLK_SET_RATE_PARENT flag is set, consider using a different
> parent rate when determining a new rate.
>
> To find the best match for the requested rate, perform the following
> steps for each NKM combination:
>  - calculate the optimal parent rate,
>  - find the best parent rate that the parent clock actually supports
>  - use that parent rate to calculate the effective rate.
>
> In case the clk does not support setting the parent rate, use the same
> algorithm as before.
>
> Acked-by: Maxime Ripard <mripard at kernel.org>
> Signed-off-by: Frank Oltmanns <frank at oltmanns.dev>

Reviewed-by: Chen-Yu Tsai <wens at csie.org>