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bh=yRoPYzAKTnTbgFFEG+eJ+hkJL/BPQBe79b1oVFxR0W8=; b=QUA4bR2SmJicg6oPqu7yncuFitFk0JVnNHMBYjSA5nbjoKR7ztUOV0cV9xXnJuzMireE69 ei3m8kvqNugiGqs5u9Iakuyp9+H6KE7Fi+ZiuPQ8dkhHmMXlTWVb3XZ/QVIj7F3cAtWQcP NY84/08Lay3Eks5ue6PvTzYWv7K0GYQHfVtLRkf35kcsrDB/Z+bkBZ2IHcihmo0ueaGSS9 +NOiiSZOc6/S9ixY1ofb45GJ/cLWDyH0vxzmF/MtQ0GKBGHt+Raq+l+3qTde/exHDGTbdd g6gFblhVtaLWjyYtrUwZWYiqqyQeKTOw+WdON75DoT1Ib8eRfoUAv6EFhNXuwA== From: Frank Oltmanns Date: Sun, 06 Aug 2023 15:06:56 +0200 Subject: [PATCH v5 11/11] clk: sunxi-ng: nkm: Prefer current parent rate MIME-Version: 1.0 Message-Id: <20230806-pll-mipi_set_rate_parent-v5-11-db4f5ca33fc3@oltmanns.dev> References: <20230806-pll-mipi_set_rate_parent-v5-0-db4f5ca33fc3@oltmanns.dev> In-Reply-To: <20230806-pll-mipi_set_rate_parent-v5-0-db4f5ca33fc3@oltmanns.dev> To: Maxime Ripard , Michael Turquette , Stephen Boyd , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Andre Przywara , Roman Beranek Cc: linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Frank Oltmanns X-Developer-Signature: v=1; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Similar to ccu_mp, if the current parent rate allows getting the ideal rate, prefer to not change the parent clock's rate. Signed-off-by: Frank Oltmanns --- drivers/clk/sunxi-ng/ccu_nkm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/clk/sunxi-ng/ccu_nkm.c b/drivers/clk/sunxi-ng/ccu_nkm.c index 896bb1ef8642..1e49444817cf 100644 --- a/drivers/clk/sunxi-ng/ccu_nkm.c +++ b/drivers/clk/sunxi-ng/ccu_nkm.c @@ -35,7 +35,8 @@ 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; -- 2.41.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel