Commit a69f9463 authored by Frank Oltmanns's avatar Frank Oltmanns Committed by Chen-Yu Tsai
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clk: sunxi-ng: nkm: Prefer current parent rate 



Similar to ccu_mp, if the current parent rate allows getting the ideal
rate, prefer to not change the parent clock's rate.

Reviewed-by: default avatarJernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: default avatarFrank Oltmanns <frank@oltmanns.dev>
Link: https://lore.kernel.org/r/20230807-pll-mipi_set_rate_parent-v6-11-f173239a4b59@oltmanns.dev


Signed-off-by: default avatarChen-Yu Tsai <wens@csie.org>
parent bf8eb12f

drivers/clk/sunxi-ng/ccu_nkm.c

+2 −1
Original line number Diff line number Diff line
@@ -34,7 +34,8 @@ static unsigned long ccu_nkm_find_best_with_parent_adj(struct ccu_common *common 


				tmp_rate = tmp_parent * _n * _k / _m;



				if (ccu_is_better_rate(common, rate, tmp_rate, best_rate)) {

				if (ccu_is_better_rate(common, rate, tmp_rate, best_rate) ||

				    (tmp_parent == *parent && tmp_rate == best_rate)) {

					best_rate = tmp_rate;

					best_parent_rate = tmp_parent;

					best_n = _n;