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Message-ID: <dfca56ede9bdd6295f79403bf01fb9913ba95d6c.camel@gmail.com>
Date: Mon, 11 Aug 2025 18:02:33 +0200
From: Alexander Sverdlin <alexander.sverdlin@...il.com>
To: bmasney@...hat.com, 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
Subject: Re: [PATCH 111/114] clk: divider: remove round_rate() in favor of
determine_rate()
On Mon, 2025-08-11 at 11:19 -0400, Brian Masney via B4 Relay wrote:
> From: Brian Masney <bmasney@...hat.com>
>
> This driver implements both the determine_rate() and round_rate() clk
> ops, and the round_rate() clk ops is deprecated. When both are defined,
> clk_core_determine_round_nolock() from the clk core will only use the
> determine_rate() clk ops. Also all clk drivers that directly calls
> divider's round_rate() have been migrated over to determine_rate(). So
> let's remove the round_rate() clk ops.
>
> Signed-off-by: Brian Masney <bmasney@...hat.com>
Reviewed-by: Alexander Sverdlin <alexander.sverdlin@...il.com>
> ---
> drivers/clk/clk-divider.c | 23 -----------------------
> 1 file changed, 23 deletions(-)
>
> diff --git a/drivers/clk/clk-divider.c b/drivers/clk/clk-divider.c
> index c1f426b8a5043cb5a1de08e1da385928ec54a2ed..2601b6155afb7391c6a0ffb91c58fa66cde98197 100644
> --- a/drivers/clk/clk-divider.c
> +++ b/drivers/clk/clk-divider.c
> @@ -431,27 +431,6 @@ long divider_ro_round_rate_parent(struct clk_hw *hw, struct clk_hw *parent,
> }
> EXPORT_SYMBOL_GPL(divider_ro_round_rate_parent);
>
> -static long clk_divider_round_rate(struct clk_hw *hw, unsigned long rate,
> - unsigned long *prate)
> -{
> - struct clk_divider *divider = to_clk_divider(hw);
> -
> - /* if read only, just return current value */
> - if (divider->flags & CLK_DIVIDER_READ_ONLY) {
> - u32 val;
> -
> - val = clk_div_readl(divider) >> divider->shift;
> - val &= clk_div_mask(divider->width);
> -
> - return divider_ro_round_rate(hw, rate, prate, divider->table,
> - divider->width, divider->flags,
> - val);
> - }
> -
> - return divider_round_rate(hw, rate, prate, divider->table,
> - divider->width, divider->flags);
> -}
> -
> static int clk_divider_determine_rate(struct clk_hw *hw,
> struct clk_rate_request *req)
> {
> @@ -527,7 +506,6 @@ static int clk_divider_set_rate(struct clk_hw *hw, unsigned long rate,
>
> const struct clk_ops clk_divider_ops = {
> .recalc_rate = clk_divider_recalc_rate,
> - .round_rate = clk_divider_round_rate,
> .determine_rate = clk_divider_determine_rate,
> .set_rate = clk_divider_set_rate,
> };
> @@ -535,7 +513,6 @@ EXPORT_SYMBOL_GPL(clk_divider_ops);
>
> const struct clk_ops clk_divider_ro_ops = {
> .recalc_rate = clk_divider_recalc_rate,
> - .round_rate = clk_divider_round_rate,
> .determine_rate = clk_divider_determine_rate,
> };
> EXPORT_SYMBOL_GPL(clk_divider_ro_ops);
--
Alexander Sverdlin.
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