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Message-Id: <20250811-clk-for-stephen-round-rate-v1-97-b3bf97b038dc@redhat.com>
Date: Mon, 11 Aug 2025 11:19:29 -0400
From: Brian Masney via B4 Relay <devnull+bmasney.redhat.com@...nel.org>
To: Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, Sudeep Holla <sudeep.holla@....com>, 
 Cristian Marussi <cristian.marussi@....com>, 
 Chen Wang <unicorn_wang@...look.com>, Inochi Amaoto <inochiama@...il.com>, 
 Nicolas Ferre <nicolas.ferre@...rochip.com>, 
 Alexandre Belloni <alexandre.belloni@...tlin.com>, 
 Claudiu Beznea <claudiu.beznea@...on.dev>, 
 Paul Cercueil <paul@...pouillou.net>, 
 Keguang Zhang <keguang.zhang@...il.com>, 
 Taichi Sugaya <sugaya.taichi@...ionext.com>, 
 Takao Orito <orito.takao@...ionext.com>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>, Jacky Huang <ychuang3@...oton.com>, 
 Shan-Chun Hung <schung@...oton.com>, Vladimir Zapolskiy <vz@...ia.com>, 
 Piotr Wojtaszczyk <piotr.wojtaszczyk@...esys.com>, 
 Paul Walmsley <paul.walmsley@...ive.com>, 
 Samuel Holland <samuel.holland@...ive.com>, Yixun Lan <dlan@...too.org>, 
 Steen Hegelund <Steen.Hegelund@...rochip.com>, 
 Daniel Machon <daniel.machon@...rochip.com>, UNGLinuxDriver@...rochip.com, 
 Orson Zhai <orsonzhai@...il.com>, 
 Baolin Wang <baolin.wang@...ux.alibaba.com>, 
 Chunyan Zhang <zhang.lyra@...il.com>, 
 Maxime Coquelin <mcoquelin.stm32@...il.com>, 
 Alexandre Torgue <alexandre.torgue@...s.st.com>, 
 Michal Simek <michal.simek@....com>, Maxime Ripard <mripard@...nel.org>, 
 Andreas Färber <afaerber@...e.de>, 
 Manivannan Sadhasivam <mani@...nel.org>, Sven Peter <sven@...nel.org>, 
 Janne Grunau <j@...nau.net>, Alyssa Rosenzweig <alyssa@...enzweig.io>, 
 Neal Gompa <neal@...pa.dev>, Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>, 
 Ray Jui <rjui@...adcom.com>, Scott Branden <sbranden@...adcom.com>, 
 Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>, 
 Max Filippov <jcmvbkbc@...il.com>, 
 Matthias Brugger <matthias.bgg@...il.com>, 
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, 
 Daniel Palmer <daniel@...ngy.jp>, Romain Perier <romain.perier@...il.com>, 
 Andrew Lunn <andrew@...n.ch>, Gregory Clement <gregory.clement@...tlin.com>, 
 Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>, 
 Bjorn Andersson <andersson@...nel.org>, 
 Geert Uytterhoeven <geert+renesas@...der.be>, 
 Heiko Stuebner <heiko@...ech.de>, 
 Andrea della Porta <andrea.porta@...e.com>, 
 Krzysztof Kozlowski <krzk@...nel.org>, 
 Sylwester Nawrocki <s.nawrocki@...sung.com>, 
 Chanwoo Choi <cw00.choi@...sung.com>, Alim Akhtar <alim.akhtar@...sung.com>, 
 Qin Jian <qinjian@...lus1.com>, Viresh Kumar <vireshk@...nel.org>, 
 Ulf Hansson <ulf.hansson@...aro.org>, 
 Luca Ceresoli <luca.ceresoli@...tlin.com>, 
 Alex Helms <alexander.helms.jy@...esas.com>, 
 Linus Walleij <linus.walleij@...aro.org>, Liviu Dudau <liviu.dudau@....com>, 
 Lorenzo Pieralisi <lpieralisi@...nel.org>, 
 Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@...hiba.co.jp>
Cc: linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org, 
 arm-scmi@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 sophgo@...ts.linux.dev, linux-mips@...r.kernel.org, imx@...ts.linux.dev, 
 linux-riscv@...ts.infradead.org, spacemit@...ts.linux.dev, 
 linux-stm32@...md-mailman.stormreply.com, patches@...nsource.cirrus.com, 
 linux-actions@...ts.infradead.org, asahi@...ts.linux.dev, 
 linux-mediatek@...ts.infradead.org, linux-arm-msm@...r.kernel.org, 
 linux-renesas-soc@...r.kernel.org, linux-rockchip@...ts.infradead.org, 
 linux-samsung-soc@...r.kernel.org, soc@...ts.linux.dev, 
 Brian Masney <bmasney@...hat.com>
Subject: [PATCH 097/114] clk: rp1: convert from round_rate() to
 determine_rate()

From: Brian Masney <bmasney@...hat.com>

The round_rate() clk ops is deprecated, so migrate this driver from
round_rate() to determine_rate() using the Coccinelle semantic patch
on the cover letter of this series.

Signed-off-by: Brian Masney <bmasney@...hat.com>
---
 drivers/clk/clk-rp1.c | 45 ++++++++++++++++++++++++++-------------------
 1 file changed, 26 insertions(+), 19 deletions(-)

diff --git a/drivers/clk/clk-rp1.c b/drivers/clk/clk-rp1.c
index afff90d487341cee0463e62e4066ff0eb723bd07..8d985c431d9e35a5bfe48b45a24bf26555659b7c 100644
--- a/drivers/clk/clk-rp1.c
+++ b/drivers/clk/clk-rp1.c
@@ -530,13 +530,15 @@ static unsigned long rp1_pll_core_recalc_rate(struct clk_hw *hw,
 	return calc_rate;
 }
 
-static long rp1_pll_core_round_rate(struct clk_hw *hw, unsigned long rate,
-				    unsigned long *parent_rate)
+static int rp1_pll_core_determine_rate(struct clk_hw *hw,
+				       struct clk_rate_request *req)
 {
 	u32 fbdiv_int, fbdiv_frac;
 
-	return get_pll_core_divider(hw, rate, *parent_rate,
-				    &fbdiv_int, &fbdiv_frac);
+	req->rate = get_pll_core_divider(hw, req->rate, req->best_parent_rate,
+					 &fbdiv_int, &fbdiv_frac);
+
+	return 0;
 }
 
 static void get_pll_prim_dividers(unsigned long rate, unsigned long parent_rate,
@@ -614,14 +616,16 @@ static unsigned long rp1_pll_recalc_rate(struct clk_hw *hw,
 	return DIV_ROUND_CLOSEST(parent_rate, prim_div1 * prim_div2);
 }
 
-static long rp1_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-			       unsigned long *parent_rate)
+static int rp1_pll_determine_rate(struct clk_hw *hw,
+				  struct clk_rate_request *req)
 {
 	u32 div1, div2;
 
-	get_pll_prim_dividers(rate, *parent_rate, &div1, &div2);
+	get_pll_prim_dividers(req->rate, req->best_parent_rate, &div1, &div2);
 
-	return DIV_ROUND_CLOSEST(*parent_rate, div1 * div2);
+	req->rate = DIV_ROUND_CLOSEST(req->best_parent_rate, div1 * div2);
+
+	return 0;
 }
 
 static int rp1_pll_ph_is_on(struct clk_hw *hw)
@@ -671,13 +675,15 @@ static unsigned long rp1_pll_ph_recalc_rate(struct clk_hw *hw,
 	return parent_rate / data->fixed_divider;
 }
 
-static long rp1_pll_ph_round_rate(struct clk_hw *hw, unsigned long rate,
-				  unsigned long *parent_rate)
+static int rp1_pll_ph_determine_rate(struct clk_hw *hw,
+				     struct clk_rate_request *req)
 {
 	struct rp1_clk_desc *pll_ph = container_of(hw, struct rp1_clk_desc, hw);
 	const struct rp1_pll_ph_data *data = pll_ph->data;
 
-	return *parent_rate / data->fixed_divider;
+	req->rate = req->best_parent_rate / data->fixed_divider;
+
+	return 0;
 }
 
 static int rp1_pll_divider_is_on(struct clk_hw *hw)
@@ -754,11 +760,12 @@ static unsigned long rp1_pll_divider_recalc_rate(struct clk_hw *hw,
 	return clk_divider_ops.recalc_rate(hw, parent_rate);
 }
 
-static long rp1_pll_divider_round_rate(struct clk_hw *hw,
-				       unsigned long rate,
-				       unsigned long *parent_rate)
+static int rp1_pll_divider_determine_rate(struct clk_hw *hw,
+					  struct clk_rate_request *req)
 {
-	return clk_divider_ops.round_rate(hw, rate, parent_rate);
+	req->rate = clk_divider_ops.determine_rate(hw, req);
+
+	return 0;
 }
 
 static int rp1_clock_is_on(struct clk_hw *hw)
@@ -1068,13 +1075,13 @@ static const struct clk_ops rp1_pll_core_ops = {
 	.unprepare = rp1_pll_core_off,
 	.set_rate = rp1_pll_core_set_rate,
 	.recalc_rate = rp1_pll_core_recalc_rate,
-	.round_rate = rp1_pll_core_round_rate,
+	.determine_rate = rp1_pll_core_determine_rate,
 };
 
 static const struct clk_ops rp1_pll_ops = {
 	.set_rate = rp1_pll_set_rate,
 	.recalc_rate = rp1_pll_recalc_rate,
-	.round_rate = rp1_pll_round_rate,
+	.determine_rate = rp1_pll_determine_rate,
 };
 
 static const struct clk_ops rp1_pll_ph_ops = {
@@ -1082,7 +1089,7 @@ static const struct clk_ops rp1_pll_ph_ops = {
 	.prepare = rp1_pll_ph_on,
 	.unprepare = rp1_pll_ph_off,
 	.recalc_rate = rp1_pll_ph_recalc_rate,
-	.round_rate = rp1_pll_ph_round_rate,
+	.determine_rate = rp1_pll_ph_determine_rate,
 };
 
 static const struct clk_ops rp1_pll_divider_ops = {
@@ -1091,7 +1098,7 @@ static const struct clk_ops rp1_pll_divider_ops = {
 	.unprepare = rp1_pll_divider_off,
 	.set_rate = rp1_pll_divider_set_rate,
 	.recalc_rate = rp1_pll_divider_recalc_rate,
-	.round_rate = rp1_pll_divider_round_rate,
+	.determine_rate = rp1_pll_divider_determine_rate,
 };
 
 static const struct clk_ops rp1_clk_ops = {

-- 
2.50.1



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