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[82.149.1.233]) by smtp.gmail.com with ESMTPSA id oz13-20020a170906cd0d00b00992b71d8f19sm1359086ejb.133.2023.08.06.06.43.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 06 Aug 2023 06:43:51 -0700 (PDT) From: Jernej =?utf-8?B?xaBrcmFiZWM=?= To: Maxime Ripard , Michael Turquette , Stephen Boyd , Chen-Yu Tsai , Samuel Holland , Andre Przywara , Roman Beranek , Frank Oltmanns Cc: linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Frank Oltmanns Subject: Re: [PATCH v5 11/11] clk: sunxi-ng: nkm: Prefer current parent rate Date: Sun, 06 Aug 2023 15:43:50 +0200 Message-ID: <1904467.taCxCBeP46@jernej-laptop> In-Reply-To: <20230806-pll-mipi_set_rate_parent-v5-11-db4f5ca33fc3@oltmanns.dev> References: <20230806-pll-mipi_set_rate_parent-v5-0-db4f5ca33fc3@oltmanns.dev> <20230806-pll-mipi_set_rate_parent-v5-11-db4f5ca33fc3@oltmanns.dev> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230806_064357_016593_403906D6 X-CRM114-Status: GOOD ( 15.09 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; 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 Dne nedelja, 06. avgust 2023 ob 15:06:56 CEST je Frank Oltmanns napisal(a): > 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 Reviewed-by: Jernej Skrabec Best regards, Jernej > --- > 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; _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel