[PATCH v2 1/2] clk: sunxi-ng: nkm: consider alternative parent rates when finding rate

[Maxime Ripard]

Hi,

On Sun, Jun 11, 2023 at 11:01:42AM +0200, Frank Oltmanns 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.
> 
> Signed-off-by: Frank Oltmanns <frank at oltmanns.dev>

Most of the comments I had on v1 still apply there, so let's figure them
out before sending a v3.

Maxime
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