From a69f9463397e56666b113eebb2e99956aacf6929 Mon Sep 17 00:00:00 2001 From: Frank Oltmanns Date: Mon, 7 Aug 2023 14:43:44 +0200 Subject: 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: Jernej Skrabec Signed-off-by: Frank Oltmanns Link: https://lore.kernel.org/r/20230807-pll-mipi_set_rate_parent-v6-11-f173239a4b59@oltmanns.dev Signed-off-by: Chen-Yu Tsai --- drivers/clk/sunxi-ng/ccu_nkm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/clk/sunxi-ng/ccu_nkm.c') diff --git a/drivers/clk/sunxi-ng/ccu_nkm.c b/drivers/clk/sunxi-ng/ccu_nkm.c index a714dcf0dfc1..eed64547ad42 100644 --- a/drivers/clk/sunxi-ng/ccu_nkm.c +++ b/drivers/clk/sunxi-ng/ccu_nkm.c @@ -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; -- cgit v1.2.3